$aiz 2018 Q4 10-K

Concept	2018 Q4	2018 Q3	2018 Q2
Revenue	$2.317B	$2.270B	$1.832B
YoY Change	38.2%	43.11%	14.45%
Cost Of Revenue		$680.9M	$490.6M
YoY Change		-0.19%	17.82%
Gross Profit		$1.589B	$1.341B
YoY Change		75.78%	13.26%
Gross Profit Margin		70.01%	73.22%
Selling, General & Admin	$750.7M	$736.5M	$773.6M
YoY Change	0.67%	10.4%	19.7%
% of Gross Profit		46.34%	57.68%
Research & Development
YoY Change
% of Gross Profit
Depreciation & Amortization
YoY Change
% of Gross Profit
Operating Expenses	$2.248B	$736.5M	$773.6M
YoY Change	49.26%	10.4%	19.7%
Operating Profit		$852.9M	$567.5M
YoY Change		259.72%	5.52%
Interest Expense	-$26.30M	$26.50M	$26.00M
YoY Change	113.82%	117.21%	109.68%
% of Operating Profit		3.11%	4.58%
Other Income/Expense, Net
YoY Change
Pretax Income	$42.90M	$75.80M	$78.30M
YoY Change	-72.9%	-170.45%	-56.18%
Income Tax	$16.30M	$22.80M	$11.30M
% Of Pretax Income	38.0%	30.08%	14.43%
Net Earnings	$20.30M	$53.00M	$67.00M
YoY Change	-93.51%	-192.5%	-44.26%
Net Earnings / Revenue	0.88%	2.33%	3.66%
Basic Earnings Per Share	$0.32	$0.76	$1.09
Diluted Earnings Per Share	$0.32	$0.76	$1.09
COMMON SHARES
Basic Shares Outstanding	62.05M shares	63.62M shares	57.06M shares
Diluted Shares Outstanding		63.80M shares	57.26M shares

Concept	2018 Q4	2018 Q3	2018 Q2
SHORT-TERM ASSETS
Cash & Short-Term Investments
YoY Change
Cash & Equivalents	$1.254B	$1.307B	$1.254B
Short-Term Investments
Other Short-Term Assets
YoY Change
Inventory
Prepaid Expenses
Receivables
Other Receivables
Total Short-Term Assets
YoY Change
LONG-TERM ASSETS
Property, Plant & Equipment	$392.5M	$381.7M	$370.6M
YoY Change	12.92%	6.5%	4.25%
Goodwill	$2.322B	$2.313B	$2.369B
YoY Change	153.0%	152.46%	161.65%
Intangibles	$622.4M	$642.8M	$664.8M
YoY Change	115.66%	109.65%	110.05%
Long-Term Investments	$15.09B	$15.10B	$14.69B
YoY Change	22.67%	29.71%	26.64%
Other Assets
YoY Change
Total Long-Term Assets
YoY Change
TOTAL ASSETS
Total Short-Term Assets
Total Long-Term Assets
Total Assets	$41.09B	$43.44B	$42.36B
YoY Change	29.04%	34.06%	40.93%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$2.187B	$2.212B	$2.611B
YoY Change	6.89%	-6.39%	29.77%
Accrued Expenses
YoY Change
Deferred Revenue
YoY Change
Short-Term Debt	$0.00	$0.00	$0.00
YoY Change
Long-Term Debt Due
YoY Change
Total Short-Term Liabilities	$5.339B	$6.294B	$6.422B
YoY Change	-13.79%	-16.47%	17.19%
LONG-TERM LIABILITIES
Long-Term Debt	$2.006B	$2.005B	$2.005B
YoY Change	87.83%	87.73%	76.34%
Other Long-Term Liabilities	$1.508B	$1.456B	$1.181B
YoY Change	114.81%	877.18%	594.71%
Total Long-Term Liabilities	$3.514B	$3.461B	$3.186B
YoY Change	98.53%	184.39%	143.76%
TOTAL LIABILITIES
Total Short-Term Liabilities	$5.339B	$6.294B	$6.422B
Total Long-Term Liabilities	$3.514B	$3.461B	$3.186B
Total Liabilities	$35.96B	$38.20B	$37.03B
YoY Change	30.46%	35.15%	43.33%
SHAREHOLDERS EQUITY
Retained Earnings	$5.760B	$5.777B	$5.846B
YoY Change	1.1%	6.69%	6.28%
Common Stock	$4.497B	$4.480B	$4.461B
YoY Change	40.56%	40.53%	40.56%
Preferred Stock
YoY Change
Treasury Stock (at cost)	$4.992B	$4.943B	$4.860B
YoY Change	2.72%	4.71%	3.7%
Treasury Stock Shares	99.24M shares	98.76M shares	97.97M shares
Shareholders Equity	$5.112B	$5.219B	$5.313B
YoY Change
Total Liabilities & Shareholders Equity	$41.09B	$43.44B	$42.36B
YoY Change	29.04%	34.06%	40.93%

Concept	2018 Q4	2018 Q3	2018 Q2
OPERATING ACTIVITIES
Net Income	$20.30M	$53.00M	$67.00M
YoY Change	-93.51%	-192.5%	-44.26%
Depreciation, Depletion And Amortization
YoY Change
Cash From Operating Activities	$202.1M	$304.6M	$225.7M
YoY Change	23.23%	-16.93%	-1021.22%
INVESTING ACTIVITIES
Capital Expenditures	-$23.90M	-$20.80M	-$21.60M
YoY Change	27.81%	69.11%	32.52%
Acquisitions
YoY Change
Other Investing Activities	-$274.2M	-$368.8M	-$1.572B
YoY Change	-2.25%	58.01%	-2095.3%
Cash From Investing Activities	-$298.1M	-$389.6M	-$1.594B
YoY Change	-0.37%	58.57%	-2650.24%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	47.60M	145.9M	300.5M
YoY Change	-66.71%	545.58%	-565.17%
NET CHANGE
Cash From Operating Activities	202.1M	304.6M	225.7M
Cash From Investing Activities	-298.1M	-389.6M	-1.594B
Cash From Financing Activities	47.60M	145.9M	300.5M
Net Change In Cash	-48.40M	60.90M	-1.068B
YoY Change	-720.51%	-57.59%	3913.91%
FREE CASH FLOW
Cash From Operating Activities	$202.1M	$304.6M	$225.7M
Capital Expenditures	-$23.90M	-$20.80M	-$21.60M
Free Cash Flow	$226.0M	$325.4M	$247.3M
YoY Change	23.7%	-14.14%	-3115.85%

Frame	Concept Type	Concept / XBRL Key	Value	Unit
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CY2018	aiz	Forfeiture Rate ForfeitureRate	0.05
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CY2018	aiz	Non Income Producing Material Investments NonIncomeProducingMaterialInvestments	0	USD
CY2019	dei	Amendment Flag AmendmentFlag	false
CY2019	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
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CY2019	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2019
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CY2019Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.01
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CY2018Q1	us-gaap	Derivative Term Of Contract DerivativeTermOfContract	P3Y
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CY2018	us-gaap	Other Comprehensive Income Foreign Currency Translation Gain Loss Arising During Period Tax OtherComprehensiveIncomeForeignCurrencyTranslationGainLossArisingDuringPeriodTax	-2600000	USD
CY2019	us-gaap	Other Comprehensive Income Foreign Currency Translation Gain Loss Arising During Period Tax OtherComprehensiveIncomeForeignCurrencyTranslationGainLossArisingDuringPeriodTax	1100000	USD
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CY2018	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax	-93700000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax	153100000	USD
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CY2017	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax	11000000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax	3400000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax	1100000	USD
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CY2019	dei	Document Annual Report DocumentAnnualReport	true
CY2019	dei	Document Period End Date DocumentPeriodEndDate	2019-12-31
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CY2019	dei	Entity File Number EntityFileNumber	001-31978
CY2019	dei	Entity Registrant Name EntityRegistrantName	Assurant, Inc.
CY2019	dei	Entity Incorporation State Country Code EntityIncorporationStateCountryCode	DE
CY2019	dei	Entity Tax Identification Number EntityTaxIdentificationNumber	39-1126612
CY2019	dei	Entity Address Address Line1 EntityAddressAddressLine1	28 Liberty Street
CY2019	dei	Entity Address Address Line2 EntityAddressAddressLine2	41st Floor
CY2019	dei	Entity Address City Or Town EntityAddressCityOrTown	New York
CY2019	dei	Entity Address State Or Province EntityAddressStateOrProvince	NY
CY2019	dei	Entity Address Postal Zip Code EntityAddressPostalZipCode	10005
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CY2019	dei	Entity Interactive Data Current EntityInteractiveDataCurrent	Yes
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CY2019	dei	Entity Emerging Growth Company EntityEmergingGrowthCompany	false
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CY2019Q4	us-gaap	Deferred Policy Acquisition Costs DeferredPolicyAcquisitionCosts	6668000000.0	USD
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CY2019Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	433700000	USD
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CY2018	us-gaap	Net Investment Income NetInvestmentIncome	598400000	USD
CY2017	us-gaap	Net Investment Income NetInvestmentIncome	493800000	USD
CY2019	us-gaap	Debt And Equity Securities Gain Loss Excluding Other Than Temporary Impairment Loss DebtAndEquitySecuritiesGainLossExcludingOtherThanTemporaryImpairmentLoss	68900000	USD
CY2018	us-gaap	Debt And Equity Securities Gain Loss Excluding Other Than Temporary Impairment Loss DebtAndEquitySecuritiesGainLossExcludingOtherThanTemporaryImpairmentLoss	-62100000	USD
CY2017	us-gaap	Gain Loss On Investments Excluding Other Than Temporary Impairments GainLossOnInvestmentsExcludingOtherThanTemporaryImpairments	31000000.0	USD
CY2019	us-gaap	Other Than Temporary Impairment Loss Debt Securities Portion Recognized In Earnings OtherThanTemporaryImpairmentLossDebtSecuritiesPortionRecognizedInEarnings	2600000	USD
CY2018	us-gaap	Other Than Temporary Impairment Loss Debt Securities Portion Recognized In Earnings OtherThanTemporaryImpairmentLossDebtSecuritiesPortionRecognizedInEarnings	600000	USD
CY2017	us-gaap	Other Than Temporary Impairment Losses Investments Portion Recognized In Earnings Net Availableforsale Securities OtherThanTemporaryImpairmentLossesInvestmentsPortionRecognizedInEarningsNetAvailableforsaleSecurities	900000	USD
CY2019	aiz	Amortizationof Deferred Gainon Disposalof Businesses AmortizationofDeferredGainonDisposalofBusinesses	14300000	USD
CY2018	aiz	Amortizationof Deferred Gainon Disposalof Businesses AmortizationofDeferredGainonDisposalofBusinesses	56900000	USD
CY2017	aiz	Amortizationof Deferred Gainon Disposalof Businesses AmortizationofDeferredGainonDisposalofBusinesses	103900000	USD
CY2019	us-gaap	Revenues Revenues	10086800000	USD
CY2018	us-gaap	Revenues Revenues	8057600000	USD
CY2017	us-gaap	Revenues Revenues	6415000000.0	USD
CY2019	us-gaap	Policyholder Benefits And Claims Incurred Net PolicyholderBenefitsAndClaimsIncurredNet	2654700000	USD
CY2018	us-gaap	Policyholder Benefits And Claims Incurred Net PolicyholderBenefitsAndClaimsIncurredNet	2342600000	USD
CY2017	us-gaap	Policyholder Benefits And Claims Incurred Net PolicyholderBenefitsAndClaimsIncurredNet	1870600000	USD
CY2019	aiz	Amortization Of Deferred Acquisition Costs And Value Of Business Acquired AmortizationOfDeferredAcquisitionCostsAndValueOfBusinessAcquired	3322100000	USD
CY2018	aiz	Amortization Of Deferred Acquisition Costs And Value Of Business Acquired AmortizationOfDeferredAcquisitionCostsAndValueOfBusinessAcquired	2300800000	USD
CY2017	aiz	Amortization Of Deferred Acquisition Costs And Value Of Business Acquired AmortizationOfDeferredAcquisitionCostsAndValueOfBusinessAcquired	1340000000.0	USD
CY2019	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	3250500000	USD
CY2018	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	2980400000	USD
CY2017	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	2710400000	USD
CY2019	aiz	Investment Change In Fair Value Before Tax InvestmentChangeInFairValueBeforeTax	163000000.0	USD
CY2018	aiz	Investment Change In Fair Value Before Tax InvestmentChangeInFairValueBeforeTax	0	USD
CY2017	aiz	Investment Change In Fair Value Before Tax InvestmentChangeInFairValueBeforeTax	0	USD
CY2019	us-gaap	Interest Expense InterestExpense	110600000	USD
CY2018	us-gaap	Interest Expense InterestExpense	100300000	USD
CY2017	us-gaap	Interest Expense InterestExpense	49500000	USD
CY2019	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	-31400000	USD
CY2018	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	0	USD
CY2017	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	0	USD
CY2019	us-gaap	Benefits Losses And Expenses BenefitsLossesAndExpenses	9532300000	USD
CY2018	us-gaap	Benefits Losses And Expenses BenefitsLossesAndExpenses	7724100000	USD
CY2017	us-gaap	Benefits Losses And Expenses BenefitsLossesAndExpenses	5970500000	USD
CY2019	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	554500000	USD
CY2018	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	333500000	USD
CY2017	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	444500000	USD
CY2019	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	167700000	USD
CY2018	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	80900000	USD
CY2017	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-75100000	USD
CY2019	us-gaap	Profit Loss ProfitLoss	386800000	USD
CY2018	us-gaap	Profit Loss ProfitLoss	252600000	USD
CY2017	us-gaap	Profit Loss ProfitLoss	519600000	USD
CY2019	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	4200000	USD
CY2018	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	1600000	USD
CY2017	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	0	USD
CY2019	us-gaap	Net Income Loss NetIncomeLoss	382600000	USD
CY2018	us-gaap	Net Income Loss NetIncomeLoss	251000000.0	USD
CY2017	us-gaap	Net Income Loss NetIncomeLoss	519600000	USD
CY2019	us-gaap	Preferred Stock Dividends And Other Adjustments PreferredStockDividendsAndOtherAdjustments	18700000	USD
CY2018	us-gaap	Preferred Stock Dividends And Other Adjustments PreferredStockDividendsAndOtherAdjustments	14200000	USD
CY2017	us-gaap	Preferred Stock Dividends And Other Adjustments PreferredStockDividendsAndOtherAdjustments	0	USD
CY2019	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	363900000	USD
CY2018	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	236800000	USD
CY2017	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	519600000	USD
CY2019	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	5.87
CY2018	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	4.00
CY2017	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	9.45
CY2019	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	5.84
CY2018	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	3.98
CY2017	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	9.39
CY2019	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	61942969	shares
CY2018	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	59239608	shares
CY2017	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	54986654	shares
CY2019	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	370499	shares
CY2018	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	305916	shares
CY2017	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	324378	shares
CY2019	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	62313468	shares
CY2018	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	59545524	shares
CY2017	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	55311032	shares
CY2019	us-gaap	Profit Loss ProfitLoss	386800000	USD
CY2018	us-gaap	Profit Loss ProfitLoss	252600000	USD
CY2017	us-gaap	Profit Loss ProfitLoss	519600000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	555500000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	-342300000	USD
CY2017	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	121900000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax	-1300000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax	18400000	USD
CY2017	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax	0	USD
CY2019	us-gaap	Other Than Temporary Impairment Losses Investments Portion In Other Comprehensive Income Loss Net Of Tax Including Portion Attributable To Noncontrolling Interest Availableforsale Securities OtherThanTemporaryImpairmentLossesInvestmentsPortionInOtherComprehensiveIncomeLossNetOfTaxIncludingPortionAttributableToNoncontrollingInterestAvailableforsaleSecurities	-400000	USD
CY2018	us-gaap	Other Than Temporary Impairment Losses Investments Portion In Other Comprehensive Income Loss Net Of Tax Including Portion Attributable To Noncontrolling Interest Availableforsale Securities OtherThanTemporaryImpairmentLossesInvestmentsPortionInOtherComprehensiveIncomeLossNetOfTaxIncludingPortionAttributableToNoncontrollingInterestAvailableforsaleSecurities	6700000	USD
CY2017	us-gaap	Other Than Temporary Impairment Losses Investments Portion In Other Comprehensive Income Loss Net Of Tax Including Portion Attributable To Noncontrolling Interest Availableforsale Securities OtherThanTemporaryImpairmentLossesInvestmentsPortionInOtherComprehensiveIncomeLossNetOfTaxIncludingPortionAttributableToNoncontrollingInterestAvailableforsaleSecurities	2700000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	16700000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	-94200000	USD
CY2017	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	40600000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	4400000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	12700000	USD
CY2017	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	20400000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	566900000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-437500000	USD
CY2017	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	139400000	USD
CY2019	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	953700000	USD
CY2018	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	-184900000	USD
CY2017	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	659000000.0	USD
CY2019	us-gaap	Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest	4200000	USD
CY2018	us-gaap	Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest	1600000	USD
CY2017	us-gaap	Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest	0	USD
CY2019	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	949500000	USD
CY2018	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	-186500000	USD
CY2017	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	659000000.0	USD
CY2016Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	4098100000	USD
CY2017	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	-13500000	USD
CY2017	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	35500000	USD
CY2017	us-gaap	Dividends Common Stock DividendsCommonStock	119000000.0	USD
CY2017	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	389500000	USD
CY2017	us-gaap	Profit Loss ProfitLoss	519600000	USD
CY2017	us-gaap	Noncontrolling Interest Increase From Subsidiary Equity Issuance NoncontrollingInterestIncreaseFromSubsidiaryEquityIssuance	10900000	USD
CY2017	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	139400000	USD
CY2017Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	4281500000	USD
CY2018Q1	us-gaap	Cumulative Effect Of New Accounting Principle In Period Of Adoption CumulativeEffectOfNewAccountingPrincipleInPeriodOfAdoption	7500000	USD
CY2018	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	-8300000	USD
CY2018	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	57100000	USD
CY2018	us-gaap	Dividends Common Stock DividendsCommonStock	133800000	USD
CY2018	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	132300000	USD
CY2018	us-gaap	Profit Loss ProfitLoss	252600000	USD
CY2018	us-gaap	Dividends Preferred Stock DividendsPreferredStock	14200000	USD
CY2018	us-gaap	Noncontrolling Interest Increase From Subsidiary Equity Issuance NoncontrollingInterestIncreaseFromSubsidiaryEquityIssuance	9400000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-437500000	USD
CY2018Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	5133900000	USD
CY2019	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	-13800000	USD
CY2019	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	55900000	USD
CY2019	us-gaap	Dividends Common Stock DividendsCommonStock	151400000	USD
CY2019	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	274900000	USD
CY2019	us-gaap	Profit Loss ProfitLoss	386800000	USD
CY2019	us-gaap	Dividends Preferred Stock DividendsPreferredStock	18700000	USD
CY2019	us-gaap	Noncontrolling Interest Decrease From Deconsolidation NoncontrollingInterestDecreaseFromDeconsolidation	2600000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	566900000	USD
CY2019Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	5682100000	USD
CY2019	us-gaap	Net Income Loss NetIncomeLoss	382600000	USD
CY2018	us-gaap	Net Income Loss NetIncomeLoss	251000000.0	USD
CY2017	us-gaap	Net Income Loss NetIncomeLoss	519600000	USD
CY2019	us-gaap	Deferred Income Taxes And Tax Credits DeferredIncomeTaxesAndTaxCredits	89500000	USD
CY2018	us-gaap	Deferred Income Taxes And Tax Credits DeferredIncomeTaxesAndTaxCredits	20400000	USD
CY2017	us-gaap	Deferred Income Taxes And Tax Credits DeferredIncomeTaxesAndTaxCredits	-4200000	USD
CY2019	aiz	Amortizationof Deferred Gainon Disposalof Businesses AmortizationofDeferredGainonDisposalofBusinesses	14300000	USD
CY2018	aiz	Amortizationof Deferred Gainon Disposalof Businesses AmortizationofDeferredGainonDisposalofBusinesses	56900000	USD
CY2017	aiz	Amortizationof Deferred Gainon Disposalof Businesses AmortizationofDeferredGainonDisposalofBusinesses	103900000	USD
CY2019	us-gaap	Depreciation Amortization And Accretion Net DepreciationAmortizationAndAccretionNet	125800000	USD
CY2018	us-gaap	Depreciation Amortization And Accretion Net DepreciationAmortizationAndAccretionNet	126900000	USD
CY2017	us-gaap	Depreciation Amortization And Accretion Net DepreciationAmortizationAndAccretionNet	115700000	USD
CY2019	us-gaap	Marketable Securities Gain Loss Excluding Other Than Temporary Impairments MarketableSecuritiesGainLossExcludingOtherThanTemporaryImpairments	66300000	USD
CY2018	us-gaap	Marketable Securities Gain Loss Excluding Other Than Temporary Impairments MarketableSecuritiesGainLossExcludingOtherThanTemporaryImpairments	-62700000	USD
CY2017	us-gaap	Marketable Securities Gain Loss Excluding Other Than Temporary Impairments MarketableSecuritiesGainLossExcludingOtherThanTemporaryImpairments	30100000	USD
CY2019	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	-31400000	USD
CY2018	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	0	USD
CY2017	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	0	USD
CY2019	us-gaap	Gain Loss On Sale Of Business GainLossOnSaleOfBusiness	-17000000.0	USD
CY2018	us-gaap	Gain Loss On Sale Of Business GainLossOnSaleOfBusiness	-21900000	USD
CY2017	us-gaap	Gain Loss On Sale Of Business GainLossOnSaleOfBusiness	0	USD
CY2019	us-gaap	Share Based Compensation ShareBasedCompensation	55900000	USD
CY2018	us-gaap	Share Based Compensation ShareBasedCompensation	57100000	USD
CY2017	us-gaap	Share Based Compensation ShareBasedCompensation	35500000	USD
CY2019	us-gaap	Impairment Of Intangible Assets Excluding Goodwill ImpairmentOfIntangibleAssetsExcludingGoodwill	16200000	USD
CY2018	us-gaap	Impairment Of Intangible Assets Excluding Goodwill ImpairmentOfIntangibleAssetsExcludingGoodwill	20800000	USD
CY2017	us-gaap	Impairment Of Intangible Assets Excluding Goodwill ImpairmentOfIntangibleAssetsExcludingGoodwill	2000000.0	USD
CY2019	aiz	Investment Change In Fair Value Before Tax InvestmentChangeInFairValueBeforeTax	163000000.0	USD
CY2018	aiz	Investment Change In Fair Value Before Tax InvestmentChangeInFairValueBeforeTax	0	USD
CY2017	aiz	Investment Change In Fair Value Before Tax InvestmentChangeInFairValueBeforeTax	0	USD
CY2019	aiz	Change In Insurance Policy Reserves And Expenses ChangeInInsurancePolicyReservesAndExpenses	1680500000	USD
CY2018	aiz	Change In Insurance Policy Reserves And Expenses ChangeInInsurancePolicyReservesAndExpenses	549600000	USD
CY2017	aiz	Change In Insurance Policy Reserves And Expenses ChangeInInsurancePolicyReservesAndExpenses	1388200000	USD
CY2019	us-gaap	Increase Decrease In Premiums Receivable IncreaseDecreaseInPremiumsReceivable	63700000	USD
CY2018	us-gaap	Increase Decrease In Premiums Receivable IncreaseDecreaseInPremiumsReceivable	220200000	USD
CY2017	us-gaap	Increase Decrease In Premiums Receivable IncreaseDecreaseInPremiumsReceivable	10300000	USD
CY2019	aiz	Increase Decreasein Commissions Payable IncreaseDecreaseinCommissionsPayable	102300000	USD
CY2018	aiz	Increase Decreasein Commissions Payable IncreaseDecreaseinCommissionsPayable	-10700000	USD
CY2017	aiz	Increase Decreasein Commissions Payable IncreaseDecreaseinCommissionsPayable	-22800000	USD
CY2019	us-gaap	Increase Decrease In Reinsurance Recoverable IncreaseDecreaseInReinsuranceRecoverable	396900000	USD
CY2018	us-gaap	Increase Decrease In Reinsurance Recoverable IncreaseDecreaseInReinsuranceRecoverable	-609000000.0	USD
CY2017	us-gaap	Increase Decrease In Reinsurance Recoverable IncreaseDecreaseInReinsuranceRecoverable	936100000	USD
CY2019	us-gaap	Increase Decrease In Reinsurance Payables IncreaseDecreaseInReinsurancePayables	24800000	USD
CY2018	us-gaap	Increase Decrease In Reinsurance Payables IncreaseDecreaseInReinsurancePayables	3800000	USD
CY2017	us-gaap	Increase Decrease In Reinsurance Payables IncreaseDecreaseInReinsurancePayables	52500000	USD
CY2019	us-gaap	Increase Decrease In Funds Held Under Reinsurance Agreements IncreaseDecreaseInFundsHeldUnderReinsuranceAgreements	-44600000	USD
CY2018	us-gaap	Increase Decrease In Funds Held Under Reinsurance Agreements IncreaseDecreaseInFundsHeldUnderReinsuranceAgreements	104700000	USD
CY2017	us-gaap	Increase Decrease In Funds Held Under Reinsurance Agreements IncreaseDecreaseInFundsHeldUnderReinsuranceAgreements	-64600000	USD
CY2019	aiz	Change In Deferred Acquisition Costs And Value Of Business Acquired ChangeInDeferredAcquisitionCostsAndValueOfBusinessAcquired	889400000	USD
CY2018	aiz	Change In Deferred Acquisition Costs And Value Of Business Acquired ChangeInDeferredAcquisitionCostsAndValueOfBusinessAcquired	602400000	USD
CY2017	aiz	Change In Deferred Acquisition Costs And Value Of Business Acquired ChangeInDeferredAcquisitionCostsAndValueOfBusinessAcquired	358800000	USD
CY2019	us-gaap	Increase Decrease In Other Operating Capital Net IncreaseDecreaseInOtherOperatingCapitalNet	-100100000	USD
CY2018	us-gaap	Increase Decrease In Other Operating Capital Net IncreaseDecreaseInOtherOperatingCapitalNet	209900000	USD
CY2017	us-gaap	Increase Decrease In Other Operating Capital Net IncreaseDecreaseInOtherOperatingCapitalNet	27900000	USD
CY2019	us-gaap	Increase Decrease In Income Taxes IncreaseDecreaseInIncomeTaxes	26600000	USD
CY2018	us-gaap	Increase Decrease In Income Taxes IncreaseDecreaseInIncomeTaxes	137300000	USD
CY2017	us-gaap	Increase Decrease In Income Taxes IncreaseDecreaseInIncomeTaxes	-105500000	USD
CY2019	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	16300000	USD
CY2018	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	-1000000.0	USD
CY2017	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	48100000	USD
CY2019	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	1413400000	USD
CY2018	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	656700000	USD
CY2017	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	530400000	USD
CY2019	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	2105800000	USD
CY2018	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	3513800000	USD
CY2017	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	2923100000	USD
CY2019	us-gaap	Proceeds From Sale Of Available For Sale Securities Equity ProceedsFromSaleOfAvailableForSaleSecuritiesEquity	118100000	USD
CY2017	us-gaap	Proceeds From Sale Of Available For Sale Securities Equity ProceedsFromSaleOfAvailableForSaleSecuritiesEquity	97500000	USD
CY2018	us-gaap	Proceeds From Sale Of Available For Sale Securities Equity ProceedsFromSaleOfAvailableForSaleSecuritiesEquity	66700000	USD
CY2019	us-gaap	Proceeds From Sale Of Other Investments ProceedsFromSaleOfOtherInvestments	128900000	USD
CY2018	us-gaap	Proceeds From Sale Of Other Investments ProceedsFromSaleOfOtherInvestments	90600000	USD
CY2017	us-gaap	Proceeds From Sale Of Other Investments ProceedsFromSaleOfOtherInvestments	62800000	USD
CY2019	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	3300000	USD
CY2018	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	100000	USD
CY2017	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	26200000	USD
CY2019	us-gaap	Proceeds From Divestiture Of Businesses Net Of Cash Divested ProceedsFromDivestitureOfBusinessesNetOfCashDivested	0	USD
CY2018	us-gaap	Proceeds From Divestiture Of Businesses Net Of Cash Divested ProceedsFromDivestitureOfBusinessesNetOfCashDivested	60600000	USD
CY2017	us-gaap	Proceeds From Divestiture Of Businesses Net Of Cash Divested ProceedsFromDivestitureOfBusinessesNetOfCashDivested	0	USD
CY2019	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	713800000	USD
CY2018	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	820800000	USD
CY2017	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	831900000	USD
CY2019	aiz	Proceedsfrommaturitiesprepaymentsandcallsofcommercialmortgageloansonrealestate Proceedsfrommaturitiesprepaymentsandcallsofcommercialmortgageloansonrealestate	65500000	USD
CY2018	aiz	Proceedsfrommaturitiesprepaymentsandcallsofcommercialmortgageloansonrealestate Proceedsfrommaturitiesprepaymentsandcallsofcommercialmortgageloansonrealestate	120600000	USD
CY2017	aiz	Proceedsfrommaturitiesprepaymentsandcallsofcommercialmortgageloansonrealestate Proceedsfrommaturitiesprepaymentsandcallsofcommercialmortgageloansonrealestate	122700000	USD
CY2019	us-gaap	Payments To Acquire Available For Sale Securities Debt PaymentsToAcquireAvailableForSaleSecuritiesDebt	2960600000	USD
CY2018	us-gaap	Payments To Acquire Available For Sale Securities Debt PaymentsToAcquireAvailableForSaleSecuritiesDebt	4373600000	USD
CY2017	us-gaap	Payments To Acquire Available For Sale Securities Debt PaymentsToAcquireAvailableForSaleSecuritiesDebt	3547200000	USD
CY2019	us-gaap	Payments To Acquire Available For Sale Securities Equity PaymentsToAcquireAvailableForSaleSecuritiesEquity	87100000	USD
CY2018	us-gaap	Payments To Acquire Available For Sale Securities Equity PaymentsToAcquireAvailableForSaleSecuritiesEquity	62400000	USD
CY2017	us-gaap	Payments To Acquire Available For Sale Securities Equity PaymentsToAcquireAvailableForSaleSecuritiesEquity	24400000	USD
CY2019	aiz	Payments To Acquire Commercial Mortgage Loans On Real Estate PaymentsToAcquireCommercialMortgageLoansOnRealEstate	117300000	USD
CY2018	aiz	Payments To Acquire Commercial Mortgage Loans On Real Estate PaymentsToAcquireCommercialMortgageLoansOnRealEstate	215400000	USD
CY2017	aiz	Payments To Acquire Commercial Mortgage Loans On Real Estate PaymentsToAcquireCommercialMortgageLoansOnRealEstate	165000000.0	USD
CY2019	us-gaap	Payments To Acquire Other Investments PaymentsToAcquireOtherInvestments	76500000	USD
CY2018	us-gaap	Payments To Acquire Other Investments PaymentsToAcquireOtherInvestments	54800000	USD
CY2017	us-gaap	Payments To Acquire Other Investments PaymentsToAcquireOtherInvestments	46500000	USD
CY2019	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	110300000	USD
CY2018	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	82800000	USD
CY2017	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	62100000	USD
CY2019	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	7600000	USD
CY2018	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	1110700000	USD
CY2017	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	129100000	USD
CY2019	aiz	Purchasesof Investmentsby Special Purpose Entities PurchasesofInvestmentsbySpecialPurposeEntities	1311000000.0	USD
CY2018	aiz	Purchasesof Investmentsby Special Purpose Entities PurchasesofInvestmentsbySpecialPurposeEntities	1774800000	USD
CY2017	aiz	Purchasesof Investmentsby Special Purpose Entities PurchasesofInvestmentsbySpecialPurposeEntities	663800000	USD
CY2019	aiz	Sale Of Investments By Special Purpose Entities SaleOfInvestmentsBySpecialPurposeEntities	935100000	USD
CY2018	aiz	Sale Of Investments By Special Purpose Entities SaleOfInvestmentsBySpecialPurposeEntities	848500000	USD
CY2017	aiz	Sale Of Investments By Special Purpose Entities SaleOfInvestmentsBySpecialPurposeEntities	81900000	USD
CY2019	us-gaap	Payments For Proceeds From Short Term Investments PaymentsForProceedsFromShortTermInvestments	24400000	USD
CY2018	us-gaap	Payments For Proceeds From Short Term Investments PaymentsForProceedsFromShortTermInvestments	52200000	USD
CY2017	us-gaap	Payments For Proceeds From Short Term Investments PaymentsForProceedsFromShortTermInvestments	53900000	USD
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CY2018	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	-2500000	USD
CY2017	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	-4700000	USD
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CY2018	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-2202500000	USD
CY2017	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-541200000	USD
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CY2018	us-gaap	Proceeds From Issuance Of Preferred Stock And Preference Stock ProceedsFromIssuanceOfPreferredStockAndPreferenceStock	276400000	USD
CY2017	us-gaap	Proceeds From Issuance Of Preferred Stock And Preference Stock ProceedsFromIssuanceOfPreferredStockAndPreferenceStock	0	USD
CY2019	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	346700000	USD
CY2018	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	1285700000	USD
CY2017	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	0	USD
CY2019	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	379600000	USD
CY2018	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	350000000.0	USD
CY2017	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	0	USD
CY2019	aiz	Proceedsfrom Issuanceof Collateralized Loan Obligations ProceedsfromIssuanceofCollateralizedLoanObligations	398600000	USD
CY2018	aiz	Proceedsfrom Issuanceof Collateralized Loan Obligations ProceedsfromIssuanceofCollateralizedLoanObligations	842500000	USD
CY2017	aiz	Proceedsfrom Issuanceof Collateralized Loan Obligations ProceedsfromIssuanceofCollateralizedLoanObligations	368000000.0	USD
CY2019	aiz	Special Purpose Entity Proceeds From Issuance Of Long Term Debt SpecialPurposeEntityProceedsFromIssuanceOfLongTermDebt	189100000	USD
CY2018	aiz	Special Purpose Entity Proceeds From Issuance Of Long Term Debt SpecialPurposeEntityProceedsFromIssuanceOfLongTermDebt	637300000	USD
CY2017	aiz	Special Purpose Entity Proceeds From Issuance Of Long Term Debt SpecialPurposeEntityProceedsFromIssuanceOfLongTermDebt	303900000	USD
CY2019	aiz	Special Purpose Entity Repaymentsof Debt SpecialPurposeEntityRepaymentsofDebt	319300000	USD
CY2018	aiz	Special Purpose Entity Repaymentsof Debt SpecialPurposeEntityRepaymentsofDebt	591600000	USD
CY2017	aiz	Special Purpose Entity Repaymentsof Debt SpecialPurposeEntityRepaymentsofDebt	221100000	USD
CY2019	us-gaap	Payment For Contingent Consideration Liability Financing Activities PaymentForContingentConsiderationLiabilityFinancingActivities	19300000	USD
CY2018	us-gaap	Payment For Contingent Consideration Liability Financing Activities PaymentForContingentConsiderationLiabilityFinancingActivities	0	USD
CY2017	us-gaap	Payment For Contingent Consideration Liability Financing Activities PaymentForContingentConsiderationLiabilityFinancingActivities	0	USD
CY2019	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	271800000	USD
CY2018	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	139300000	USD
CY2017	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	388900000	USD
CY2019	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	151300000	USD
CY2018	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	133800000	USD
CY2017	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	119000000.0	USD
CY2019	us-gaap	Payments Of Dividends Preferred Stock And Preference Stock PaymentsOfDividendsPreferredStockAndPreferenceStock	18700000	USD
CY2018	us-gaap	Payments Of Dividends Preferred Stock And Preference Stock PaymentsOfDividendsPreferredStockAndPreferenceStock	14200000	USD
CY2017	us-gaap	Payments Of Dividends Preferred Stock And Preference Stock PaymentsOfDividendsPreferredStockAndPreferenceStock	0	USD
CY2019	us-gaap	Proceeds And Excess Tax Benefit From Sharebased Compensation ProceedsAndExcessTaxBenefitFromSharebasedCompensation	19700000	USD
CY2018	us-gaap	Proceeds And Excess Tax Benefit From Sharebased Compensation ProceedsAndExcessTaxBenefitFromSharebasedCompensation	15700000	USD
CY2017	us-gaap	Proceeds And Excess Tax Benefit From Sharebased Compensation ProceedsAndExcessTaxBenefitFromSharebasedCompensation	19500000	USD
CY2019	us-gaap	Proceeds From Sales Of Assets Investing Activities ProceedsFromSalesOfAssetsInvestingActivities	26700000	USD
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CY2017	us-gaap	Proceeds From Sales Of Assets Investing Activities ProceedsFromSalesOfAssetsInvestingActivities	0	USD
CY2019	us-gaap	Proceeds From Minority Shareholders ProceedsFromMinorityShareholders	0	USD
CY2018	us-gaap	Proceeds From Minority Shareholders ProceedsFromMinorityShareholders	9200000	USD
CY2017	us-gaap	Proceeds From Minority Shareholders ProceedsFromMinorityShareholders	10900000	USD
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CY2018	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	-35000000.0	USD
CY2017	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	2300000	USD
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CY2017Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	996800000	USD
CY2019	us-gaap	Income Taxes Paid IncomeTaxesPaid	93100000	USD
CY2018	us-gaap	Income Taxes Paid IncomeTaxesPaid	93900000	USD
CY2017	us-gaap	Income Taxes Paid IncomeTaxesPaid	18800000	USD
CY2019	us-gaap	Interest Paid Net InterestPaidNet	103200000	USD
CY2018	us-gaap	Interest Paid Net InterestPaidNet	79500000	USD
CY2017	us-gaap	Interest Paid Net InterestPaidNet	48100000	USD
CY2018	us-gaap	Payments To Acquire Businesses Gross PaymentsToAcquireBusinessesGross	1490000000	USD
CY2019	us-gaap	Nature Of Operations NatureOfOperations	Nature of Operations <div style="line-height:120%;padding-bottom:6px;padding-top:6px;text-indent:32px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">Assurant, Inc. (the “Company”) is a global provider of lifestyle and housing solutions that support, protect and connect major consumer purchases. The Company partners with leading brands to develop innovative products and services and to deliver enhanced customer experience. The Company operates in North America, Latin America, Europe and Asia Pacific through </span><span style="font-family:inherit;font-size:10pt;"><span>three</span></span><span style="font-family:inherit;font-size:10pt;"> operating segments: Global Lifestyle, Global Housing and Global Preneed. Through its Global Lifestyle segment, the Company provides mobile device solutions and extended service products and related services for consumer electronics and appliances (referred to as “Connected Living”); vehicle protection and related services (referred to as “Global Automotive”); and credit and other insurance products (referred to as “Global Financial Services and Other”). Through its Global Housing segment, the Company provides lender-placed homeowners insurance, lender-placed manufactured housing insurance and lender-placed flood insurance (referred to as “Lender-placed Insurance”); renters insurance and related products (referred to as “Multifamily Housing”); and voluntary manufactured housing insurance, voluntary homeowners insurance and other specialty products (referred to as “Specialty and Other”). Through its Global Preneed segment, the Company provides pre-funded funeral insurance, final need insurance and related services. </span></div>The Company’s common stock is traded on the New York Stock Exchange under the symbol “AIZ”.
CY2019	us-gaap	Number Of Operating Segments NumberOfOperatingSegments	3	segment
CY2019	us-gaap	Use Of Estimates UseOfEstimates	<div style="line-height:120%;padding-bottom:8px;text-align:left;text-indent:30px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;font-style:italic;font-weight:bold;">Use of Estimates</span></div><div style="line-height:120%;padding-bottom:8px;text-align:left;text-indent:30px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">The preparation of financial statements requires management to make estimates and assumptions that affect the reported amounts. The items affected by the use of estimates include but are not limited to, investments, reinsurance recoverables, deferred acquisition costs (“DAC”), value of business acquired (“VOBA”), deferred income taxes and associated valuation allowances, goodwill, intangible assets, future policy benefits and expenses, unearned premiums, claims and benefits payable, deferred gain on disposal of businesses, pension and post-retirement liabilities and commitments and contingencies. The estimates are sensitive to market conditions, investment yields, mortality, morbidity, commissions and other acquisition expenses, policyholder behavior and other factors. Actual results could differ from the estimates recorded. The Company believes all amounts reported are reasonable and adequate.</span></div>
CY2019	aiz	Loss From Remeasurement Due To Highly Inflationary Accounting LossFromRemeasurementDueToHighlyInflationaryAccounting	18400000	USD
CY2018	aiz	Loss From Remeasurement Due To Highly Inflationary Accounting LossFromRemeasurementDueToHighlyInflationaryAccounting	17200000	USD
CY2019Q4	us-gaap	Restricted Cash And Cash Equivalents RestrictedCashAndCashEquivalents	12800000	USD
CY2018Q4	us-gaap	Restricted Cash And Cash Equivalents RestrictedCashAndCashEquivalents	23800000	USD
CY2019Q4	us-gaap	Liability For Future Policy Benefits LiabilityForFuturePolicyBenefits	9807300000	USD
CY2019Q4	us-gaap	Unearned Premiums UnearnedPremiums	16603600000	USD
CY2019Q4	us-gaap	Liability For Unpaid Claims And Claims Adjustment Expense Reported Claims Amount LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseReportedClaimsAmount	1625200000	USD
CY2019Q4	us-gaap	Liability For Unpaid Claims And Claims Adjustment Expense Incurred But Not Reported Ibnr Claims Amount LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseIncurredButNotReportedIBNRClaimsAmount	1062500000	USD
CY2018Q4	us-gaap	Liability For Future Policy Benefits LiabilityForFuturePolicyBenefits	9240900000	USD
CY2018Q4	us-gaap	Unearned Premiums UnearnedPremiums	15648000000.0	USD

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Common Stock Dividends Per Share Declared

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Common Stock Dividends Per Share Declared

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2.28

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Common Stock Dividends Per Share Declared

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2.43

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Common Stock Par Or Stated Value Per Share

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Common Stock Par Or Stated Value Per Share

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Common Stock Shares Authorized

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Goodwill Impaired Accumulated Impairment Loss

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Indefinite Lived Intangible Assets Excluding Goodwill

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CY2017

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Other Comprehensive Income Foreign Currency Translation Gain Loss Arising During Period Tax

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Other Comprehensive Income Foreign Currency Translation Gain Loss Arising During Period Tax

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Other Comprehensive Income Foreign Currency Translation Gain Loss Arising During Period Tax

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Other Comprehensive Income Loss Available For Sale Securities Tax

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Other Comprehensive Income Loss Available For Sale Securities Tax

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CY2019

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Other Comprehensive Income Loss Available For Sale Securities Tax

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Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification Tax

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CY2019

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Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification Tax

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Other Than Temporary Impairment Losses Investments Portion In Other Comprehensive Income Loss Tax Including Portion Attributable To Noncontrolling Interest Availableforsale Securities

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1800000

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CY2018

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Preferred Stock Dividends Per Share Declared

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Preferred Stock Dividends Per Share Declared

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Preferred Stock Par Or Stated Value Per Share

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Preferred Stock Dividend Rate Percentage

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Preferred Stock Par Or Stated Value Per Share

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Preferred Stock Shares Authorized

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Assurant, Inc.

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28 Liberty Street

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41st Floor

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New York

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NY

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Entity Well Known Seasoned Issuer

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Entity Voluntary Filers

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Accrued Investment Income Receivable

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CY2018Q4

us-gaap

Accrued Investment Income Receivable

AccruedInvestmentIncomeReceivable

125500000

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CY2019Q4

us-gaap

Other Investments

OtherInvestments

638900000

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CY2018Q4

us-gaap

Other Investments

OtherInvestments

635200000

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CY2018Q4

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Cash And Cash Equivalents At Carrying Value

CashAndCashEquivalentsAtCarryingValue

1254000000.0

USD

CY2019Q4

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Premiums And Other Receivables Net

PremiumsAndOtherReceivablesNet

1692800000

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CY2018Q4

us-gaap

Premiums And Other Receivables Net

PremiumsAndOtherReceivablesNet

1643500000

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CY2019Q4

us-gaap

Reinsurance Recoverables

ReinsuranceRecoverables

9593400000

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CY2018Q4

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Reinsurance Recoverables

ReinsuranceRecoverables

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USD

CY2019Q4

us-gaap

Deferred Policy Acquisition Costs

DeferredPolicyAcquisitionCosts

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CY2018Q4

us-gaap

Deferred Policy Acquisition Costs

DeferredPolicyAcquisitionCosts

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CY2019Q4

us-gaap

Property Plant And Equipment Net

PropertyPlantAndEquipmentNet

433700000

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CY2018Q4

us-gaap

Property Plant And Equipment Net

PropertyPlantAndEquipmentNet

392500000

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CY2019Q4

us-gaap

Goodwill

2343400000

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CY2018Q4

us-gaap

Goodwill

2321800000

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CY2019Q4

us-gaap

Value Of Business Acquired Voba

ValueOfBusinessAcquiredVOBA

2004300000

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CY2018Q4

us-gaap

Value Of Business Acquired Voba

ValueOfBusinessAcquiredVOBA

3157800000

USD

CY2019Q4

us-gaap

Intangible Assets Net Excluding Goodwill

IntangibleAssetsNetExcludingGoodwill

540200000

USD

CY2018Q4

us-gaap

Intangible Assets Net Excluding Goodwill

IntangibleAssetsNetExcludingGoodwill

622400000

USD

CY2019Q4

us-gaap

Other Assets

OtherAssets

590100000

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CY2018Q4

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Other Assets

OtherAssets

603800000

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CY2019Q4

us-gaap

Separate Account Assets

SeparateAccountAssets

1839700000

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CY2018Q4

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Separate Account Assets

SeparateAccountAssets

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CY2019Q4

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Variable Interest Entity Consolidated Carrying Amount Assets

VariableInterestEntityConsolidatedCarryingAmountAssets

2020100000

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CY2018Q4

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Variable Interest Entity Consolidated Carrying Amount Assets

VariableInterestEntityConsolidatedCarryingAmountAssets

1685400000

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CY2019Q4

us-gaap

Assets

44291200000

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CY2018Q4

us-gaap

Assets

41089300000

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CY2019Q4

us-gaap

Liability For Future Policy Benefits

LiabilityForFuturePolicyBenefits

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CY2018Q4

us-gaap

Liability For Future Policy Benefits

LiabilityForFuturePolicyBenefits

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CY2019Q4

us-gaap

Unearned Premiums

UnearnedPremiums

16603600000

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CY2018Q4

us-gaap

Unearned Premiums

UnearnedPremiums

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CY2019Q4

us-gaap

Liability For Claims And Claims Adjustment Expense

LiabilityForClaimsAndClaimsAdjustmentExpense

2687700000

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CY2018Q4

us-gaap

Liability For Claims And Claims Adjustment Expense

LiabilityForClaimsAndClaimsAdjustmentExpense

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CY2019Q4

us-gaap

Accrued Sales Commission Current And Noncurrent

AccruedSalesCommissionCurrentAndNoncurrent

540500000

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CY2018Q4

us-gaap

Accrued Sales Commission Current And Noncurrent

AccruedSalesCommissionCurrentAndNoncurrent

338600000

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CY2019Q4

us-gaap

Reinsurance Payable

ReinsurancePayable

358500000

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CY2018Q4

us-gaap

Reinsurance Payable

ReinsurancePayable

330900000

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CY2019Q4

us-gaap

Funds Held Under Reinsurance Agreements Liability

FundsHeldUnderReinsuranceAgreementsLiability

319400000

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CY2018Q4

us-gaap

Funds Held Under Reinsurance Agreements Liability

FundsHeldUnderReinsuranceAgreementsLiability

272000000.0

USD

CY2019Q4

us-gaap

Accounts Payable And Accrued Liabilities Current And Noncurrent

AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent

2758500000

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CY2019Q4

us-gaap

Unsecured Debt

UnsecuredDebt

2006900000

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CY2018Q4

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Accounts Payable And Accrued Liabilities Current And Noncurrent

AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent

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CY2018Q4

us-gaap

Unsecured Debt

UnsecuredDebt

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CY2019Q4

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Separate Accounts Liability

SeparateAccountsLiability

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CY2018Q4

us-gaap

Separate Accounts Liability

SeparateAccountsLiability

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CY2019Q4

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Variable Interest Entity Consolidated Carrying Amount Liabilities

VariableInterestEntityConsolidatedCarryingAmountLiabilities

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CY2018Q4

us-gaap

Variable Interest Entity Consolidated Carrying Amount Liabilities

VariableInterestEntityConsolidatedCarryingAmountLiabilities

1455100000

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CY2019Q4

us-gaap

Liabilities

38609100000

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CY2018Q4

us-gaap

Liabilities

35955400000

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CY2019Q4

us-gaap

Commitments And Contingencies

CommitmentsAndContingencies

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CY2018Q4

us-gaap

Commitments And Contingencies

CommitmentsAndContingencies

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CY2019Q4

us-gaap

Preferred Stock Value

PreferredStockValue

2900000

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CY2018Q4

us-gaap

Preferred Stock Value

PreferredStockValue

2900000

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CY2019Q4

us-gaap

Common Stock Value

CommonStockValue

1600000

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CY2018Q4

us-gaap

Common Stock Value

CommonStockValue

1600000

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CY2019Q4

us-gaap

Additional Paid In Capital Common Stock

AdditionalPaidInCapitalCommonStock

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CY2018Q4

us-gaap

Additional Paid In Capital Common Stock

AdditionalPaidInCapitalCommonStock

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CY2019Q4

us-gaap

Retained Earnings Accumulated Deficit

RetainedEarningsAccumulatedDeficit

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CY2018Q4

us-gaap

Retained Earnings Accumulated Deficit

RetainedEarningsAccumulatedDeficit

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CY2019Q4

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Accumulated Other Comprehensive Income Loss Net Of Tax

AccumulatedOtherComprehensiveIncomeLossNetOfTax

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CY2018Q4

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Accumulated Other Comprehensive Income Loss Net Of Tax

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CY2019Q4

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Treasury Stock Value

TreasuryStockValue

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CY2018Q4

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Treasury Stock Value

TreasuryStockValue

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CY2019Q4

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Stockholders Equity

StockholdersEquity

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CY2018Q4

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Stockholders Equity

StockholdersEquity

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CY2019Q4

us-gaap

Minority Interest

MinorityInterest

29300000

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CY2018Q4

us-gaap

Minority Interest

MinorityInterest

21900000

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CY2019Q4

us-gaap

Stockholders Equity Including Portion Attributable To Noncontrolling Interest

StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest

5682100000

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CY2018Q4

us-gaap

Stockholders Equity Including Portion Attributable To Noncontrolling Interest

StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest

5133900000

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CY2019Q4

us-gaap

Liabilities And Stockholders Equity

LiabilitiesAndStockholdersEquity

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CY2018Q4

us-gaap

Liabilities And Stockholders Equity

LiabilitiesAndStockholdersEquity

41089300000

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CY2019Q4

aiz

Variable Interest Entity Consolidated Assets Cash

VariableInterestEntityConsolidatedAssetsCash

32900000

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CY2018Q4

aiz

Variable Interest Entity Consolidated Assets Cash

VariableInterestEntityConsolidatedAssetsCash

62600000

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CY2019Q4

aiz

Variable Interest Entity Consolidated Assets Investments At Fair Value

VariableInterestEntityConsolidatedAssetsInvestmentsAtFairValue

1957900000

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CY2018Q4

aiz

Variable Interest Entity Consolidated Assets Investments At Fair Value

VariableInterestEntityConsolidatedAssetsInvestmentsAtFairValue

1576200000

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CY2019Q4

aiz

Variable Interest Entity Consolidated Assets Other Receivables

VariableInterestEntityConsolidatedAssetsOtherReceivables

29300000

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CY2018Q4

aiz

Variable Interest Entity Consolidated Assets Other Receivables

VariableInterestEntityConsolidatedAssetsOtherReceivables

46600000

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CY2019Q4

us-gaap

Variable Interest Entity Consolidated Carrying Amount Assets

VariableInterestEntityConsolidatedCarryingAmountAssets

2020100000

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CY2018Q4

us-gaap

Variable Interest Entity Consolidated Carrying Amount Assets

VariableInterestEntityConsolidatedCarryingAmountAssets

1685400000

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CY2019Q4

aiz

Variable Interest Entity Consolidated Liabilities Collateralized Loan Obligation Notes At Fair Value

VariableInterestEntityConsolidatedLiabilitiesCollateralizedLoanObligationNotesAtFairValue

1603100000

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CY2018Q4

aiz

Variable Interest Entity Consolidated Liabilities Collateralized Loan Obligation Notes At Fair Value

VariableInterestEntityConsolidatedLiabilitiesCollateralizedLoanObligationNotesAtFairValue

1316700000

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CY2019Q4

aiz

Variable Interest Entity Consolidated Liabilities Other Liabilities

VariableInterestEntityConsolidatedLiabilitiesOtherLiabilities

83900000

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CY2018Q4

aiz

Variable Interest Entity Consolidated Liabilities Other Liabilities

VariableInterestEntityConsolidatedLiabilitiesOtherLiabilities

138400000

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CY2019Q4

us-gaap

Variable Interest Entity Consolidated Carrying Amount Liabilities

VariableInterestEntityConsolidatedCarryingAmountLiabilities

1687000000.0

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CY2018Q4

us-gaap

Variable Interest Entity Consolidated Carrying Amount Liabilities

VariableInterestEntityConsolidatedCarryingAmountLiabilities

1455100000

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CY2019

us-gaap

Premiums Earned Net

PremiumsEarnedNet

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USD

CY2018

us-gaap

Premiums Earned Net

PremiumsEarnedNet

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CY2017

us-gaap

Premiums Earned Net

PremiumsEarnedNet

4404100000

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CY2019

us-gaap

Other Income

OtherIncome

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CY2018

us-gaap

Other Income

OtherIncome

1308100000

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CY2017

us-gaap

Other Income

OtherIncome

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CY2019

us-gaap

Net Investment Income

NetInvestmentIncome

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CY2018

us-gaap

Net Investment Income

NetInvestmentIncome

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CY2017

us-gaap

Net Investment Income

NetInvestmentIncome

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CY2019

us-gaap

Debt And Equity Securities Gain Loss Excluding Other Than Temporary Impairment Loss

DebtAndEquitySecuritiesGainLossExcludingOtherThanTemporaryImpairmentLoss

68900000

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CY2018

us-gaap

Debt And Equity Securities Gain Loss Excluding Other Than Temporary Impairment Loss

DebtAndEquitySecuritiesGainLossExcludingOtherThanTemporaryImpairmentLoss

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CY2017

us-gaap

Gain Loss On Investments Excluding Other Than Temporary Impairments

GainLossOnInvestmentsExcludingOtherThanTemporaryImpairments

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CY2019

us-gaap

Other Than Temporary Impairment Loss Debt Securities Portion Recognized In Earnings

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2600000

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CY2018

us-gaap

Other Than Temporary Impairment Loss Debt Securities Portion Recognized In Earnings

OtherThanTemporaryImpairmentLossDebtSecuritiesPortionRecognizedInEarnings

600000

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CY2017

us-gaap

Other Than Temporary Impairment Losses Investments Portion Recognized In Earnings Net Availableforsale Securities

OtherThanTemporaryImpairmentLossesInvestmentsPortionRecognizedInEarningsNetAvailableforsaleSecurities

900000

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CY2019

aiz

Amortizationof Deferred Gainon Disposalof Businesses

AmortizationofDeferredGainonDisposalofBusinesses

14300000

USD

CY2018

aiz

Amortizationof Deferred Gainon Disposalof Businesses

AmortizationofDeferredGainonDisposalofBusinesses

56900000

USD

CY2017

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Amortizationof Deferred Gainon Disposalof Businesses

AmortizationofDeferredGainonDisposalofBusinesses

103900000

USD

CY2019

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Revenues

10086800000

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CY2018

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Revenues

8057600000

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CY2017

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Revenues

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CY2019

us-gaap

Policyholder Benefits And Claims Incurred Net

PolicyholderBenefitsAndClaimsIncurredNet

2654700000

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CY2018

us-gaap

Policyholder Benefits And Claims Incurred Net

PolicyholderBenefitsAndClaimsIncurredNet

2342600000

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CY2017

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Policyholder Benefits And Claims Incurred Net

PolicyholderBenefitsAndClaimsIncurredNet

1870600000

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CY2019

aiz

Amortization Of Deferred Acquisition Costs And Value Of Business Acquired

AmortizationOfDeferredAcquisitionCostsAndValueOfBusinessAcquired

3322100000

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CY2018

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Amortization Of Deferred Acquisition Costs And Value Of Business Acquired

AmortizationOfDeferredAcquisitionCostsAndValueOfBusinessAcquired

2300800000

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CY2017

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Amortization Of Deferred Acquisition Costs And Value Of Business Acquired

AmortizationOfDeferredAcquisitionCostsAndValueOfBusinessAcquired

1340000000.0

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CY2019

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Selling General And Administrative Expense

SellingGeneralAndAdministrativeExpense

3250500000

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CY2018

us-gaap

Selling General And Administrative Expense

SellingGeneralAndAdministrativeExpense

2980400000

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CY2017

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Selling General And Administrative Expense

SellingGeneralAndAdministrativeExpense

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CY2019

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Investment Change In Fair Value Before Tax

InvestmentChangeInFairValueBeforeTax

163000000.0

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CY2018

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Investment Change In Fair Value Before Tax

InvestmentChangeInFairValueBeforeTax

0

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CY2017

aiz

Investment Change In Fair Value Before Tax

InvestmentChangeInFairValueBeforeTax

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CY2019

us-gaap

Interest Expense

InterestExpense

110600000

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CY2018

us-gaap

Interest Expense

InterestExpense

100300000

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CY2017

us-gaap

Interest Expense

InterestExpense

49500000

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CY2019

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Gains Losses On Extinguishment Of Debt

GainsLossesOnExtinguishmentOfDebt

-31400000

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CY2018

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Gains Losses On Extinguishment Of Debt

GainsLossesOnExtinguishmentOfDebt

0

USD

CY2017

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Gains Losses On Extinguishment Of Debt

GainsLossesOnExtinguishmentOfDebt

0

USD

CY2019

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Benefits Losses And Expenses

BenefitsLossesAndExpenses

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CY2018

us-gaap

Benefits Losses And Expenses

BenefitsLossesAndExpenses

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CY2017

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Benefits Losses And Expenses

BenefitsLossesAndExpenses

5970500000

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CY2019

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Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest

IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest

554500000

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CY2018

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Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest

IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest

333500000

USD

CY2017

us-gaap

Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest

IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest

444500000

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CY2019

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Income Tax Expense Benefit

IncomeTaxExpenseBenefit

167700000

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CY2018

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Income Tax Expense Benefit

IncomeTaxExpenseBenefit

80900000

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CY2017

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Income Tax Expense Benefit

IncomeTaxExpenseBenefit

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CY2019

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Profit Loss

ProfitLoss

386800000

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CY2018

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Profit Loss

ProfitLoss

252600000

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CY2017

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Profit Loss

ProfitLoss

519600000

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CY2019

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Net Income Loss Attributable To Noncontrolling Interest

NetIncomeLossAttributableToNoncontrollingInterest

4200000

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CY2018

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Net Income Loss Attributable To Noncontrolling Interest

NetIncomeLossAttributableToNoncontrollingInterest

1600000

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CY2017

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Net Income Loss Attributable To Noncontrolling Interest

NetIncomeLossAttributableToNoncontrollingInterest

0

USD

CY2019

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Net Income Loss

NetIncomeLoss

382600000

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CY2018

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Net Income Loss

NetIncomeLoss

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CY2017

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Net Income Loss

NetIncomeLoss

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CY2019

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Preferred Stock Dividends And Other Adjustments

PreferredStockDividendsAndOtherAdjustments

18700000

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CY2018

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Preferred Stock Dividends And Other Adjustments

PreferredStockDividendsAndOtherAdjustments

14200000

USD

CY2017

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Preferred Stock Dividends And Other Adjustments

PreferredStockDividendsAndOtherAdjustments

0

USD

CY2019

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Net Income Loss Available To Common Stockholders Basic

NetIncomeLossAvailableToCommonStockholdersBasic

363900000

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CY2018

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Net Income Loss Available To Common Stockholders Basic

NetIncomeLossAvailableToCommonStockholdersBasic

236800000

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CY2017

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Net Income Loss Available To Common Stockholders Basic

NetIncomeLossAvailableToCommonStockholdersBasic

519600000

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CY2019

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Earnings Per Share Basic

EarningsPerShareBasic

5.87

CY2018

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Earnings Per Share Basic

EarningsPerShareBasic

4.00

CY2017

us-gaap

Earnings Per Share Basic

EarningsPerShareBasic

9.45

CY2019

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Earnings Per Share Diluted

EarningsPerShareDiluted

5.84

CY2018

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Earnings Per Share Diluted

EarningsPerShareDiluted

3.98

CY2017

us-gaap

Earnings Per Share Diluted

EarningsPerShareDiluted

9.39

CY2019

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Weighted Average Number Of Shares Outstanding Basic

WeightedAverageNumberOfSharesOutstandingBasic

61942969

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CY2018

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Weighted Average Number Of Shares Outstanding Basic

WeightedAverageNumberOfSharesOutstandingBasic

59239608

shares

CY2017

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Weighted Average Number Of Shares Outstanding Basic

WeightedAverageNumberOfSharesOutstandingBasic

54986654

shares

CY2019

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Weighted Average Number Diluted Shares Outstanding Adjustment

WeightedAverageNumberDilutedSharesOutstandingAdjustment

370499

shares

CY2018

us-gaap

Weighted Average Number Diluted Shares Outstanding Adjustment

WeightedAverageNumberDilutedSharesOutstandingAdjustment

305916

shares

CY2017

us-gaap

Weighted Average Number Diluted Shares Outstanding Adjustment

WeightedAverageNumberDilutedSharesOutstandingAdjustment

324378

shares

CY2019

us-gaap

Weighted Average Number Of Diluted Shares Outstanding

WeightedAverageNumberOfDilutedSharesOutstanding

62313468

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CY2018

us-gaap

Weighted Average Number Of Diluted Shares Outstanding

WeightedAverageNumberOfDilutedSharesOutstanding

59545524

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CY2017

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Weighted Average Number Of Diluted Shares Outstanding

WeightedAverageNumberOfDilutedSharesOutstanding

55311032

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CY2019

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Profit Loss

ProfitLoss

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CY2018

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Profit Loss

ProfitLoss

252600000

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CY2017

us-gaap

Profit Loss

ProfitLoss

519600000

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CY2019

us-gaap

Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax

OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax

555500000

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CY2018

us-gaap

Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax

OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax

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CY2017

us-gaap

Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax

OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax

121900000

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CY2019

us-gaap

Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax

OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax

-1300000

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CY2018

us-gaap

Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax

OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax

18400000

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CY2017

us-gaap

Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax

OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax

0

USD

CY2019

us-gaap

Other Than Temporary Impairment Losses Investments Portion In Other Comprehensive Income Loss Net Of Tax Including Portion Attributable To Noncontrolling Interest Availableforsale Securities

OtherThanTemporaryImpairmentLossesInvestmentsPortionInOtherComprehensiveIncomeLossNetOfTaxIncludingPortionAttributableToNoncontrollingInterestAvailableforsaleSecurities

-400000

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CY2018

us-gaap

Other Than Temporary Impairment Losses Investments Portion In Other Comprehensive Income Loss Net Of Tax Including Portion Attributable To Noncontrolling Interest Availableforsale Securities

OtherThanTemporaryImpairmentLossesInvestmentsPortionInOtherComprehensiveIncomeLossNetOfTaxIncludingPortionAttributableToNoncontrollingInterestAvailableforsaleSecurities

6700000

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CY2017

us-gaap

Other Than Temporary Impairment Losses Investments Portion In Other Comprehensive Income Loss Net Of Tax Including Portion Attributable To Noncontrolling Interest Availableforsale Securities

OtherThanTemporaryImpairmentLossesInvestmentsPortionInOtherComprehensiveIncomeLossNetOfTaxIncludingPortionAttributableToNoncontrollingInterestAvailableforsaleSecurities

2700000

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CY2019

us-gaap

Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax

OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax

16700000

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CY2018

us-gaap

Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax

OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax

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CY2017

us-gaap

Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax

OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax

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CY2019

us-gaap

Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax

OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax

4400000

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CY2018

us-gaap

Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax

OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax

12700000

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CY2017

us-gaap

Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax

OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax

20400000

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CY2019

us-gaap

Other Comprehensive Income Loss Net Of Tax

OtherComprehensiveIncomeLossNetOfTax

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CY2018

us-gaap

Other Comprehensive Income Loss Net Of Tax

OtherComprehensiveIncomeLossNetOfTax

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CY2017

us-gaap

Other Comprehensive Income Loss Net Of Tax

OtherComprehensiveIncomeLossNetOfTax

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CY2019

us-gaap

Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest

ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest

953700000

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CY2018

us-gaap

Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest

ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest

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CY2017

us-gaap

Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest

ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest

659000000.0

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CY2019

us-gaap

Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest

ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest

4200000

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CY2018

us-gaap

Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest

ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest

1600000

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CY2017

us-gaap

Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest

ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest

0

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CY2019

us-gaap

Comprehensive Income Net Of Tax

ComprehensiveIncomeNetOfTax

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CY2018

us-gaap

Comprehensive Income Net Of Tax

ComprehensiveIncomeNetOfTax

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CY2017

us-gaap

Comprehensive Income Net Of Tax

ComprehensiveIncomeNetOfTax

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CY2016Q4

us-gaap

Stockholders Equity Including Portion Attributable To Noncontrolling Interest

StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest

4098100000

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CY2017

us-gaap

Stock Issued During Period Value Share Based Compensation

StockIssuedDuringPeriodValueShareBasedCompensation

-13500000

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CY2017

us-gaap

Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value

AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue

35500000

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CY2017

us-gaap

Dividends Common Stock

DividendsCommonStock

119000000.0

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CY2017

us-gaap

Treasury Stock Value Acquired Cost Method

TreasuryStockValueAcquiredCostMethod

389500000

USD

CY2017

us-gaap

Profit Loss

ProfitLoss

519600000

USD

CY2017

us-gaap

Noncontrolling Interest Increase From Subsidiary Equity Issuance

NoncontrollingInterestIncreaseFromSubsidiaryEquityIssuance

10900000

USD

CY2017

us-gaap

Other Comprehensive Income Loss Net Of Tax

OtherComprehensiveIncomeLossNetOfTax

139400000

USD

CY2017Q4

us-gaap

Stockholders Equity Including Portion Attributable To Noncontrolling Interest

StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest

4281500000

USD

CY2018Q1

us-gaap

Cumulative Effect Of New Accounting Principle In Period Of Adoption

CumulativeEffectOfNewAccountingPrincipleInPeriodOfAdoption

7500000

USD

CY2018

us-gaap

Stock Issued During Period Value Share Based Compensation

StockIssuedDuringPeriodValueShareBasedCompensation

-8300000

USD

CY2018

us-gaap

Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value

AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue

57100000

USD

CY2018

us-gaap

Dividends Common Stock

DividendsCommonStock

133800000

USD

CY2018

us-gaap

Treasury Stock Value Acquired Cost Method

TreasuryStockValueAcquiredCostMethod

132300000

USD

CY2018

us-gaap

Profit Loss

ProfitLoss

252600000

USD

CY2018

us-gaap

Dividends Preferred Stock

DividendsPreferredStock

14200000

USD

CY2018

us-gaap

Noncontrolling Interest Increase From Subsidiary Equity Issuance

NoncontrollingInterestIncreaseFromSubsidiaryEquityIssuance

9400000

USD

CY2018

us-gaap

Other Comprehensive Income Loss Net Of Tax

OtherComprehensiveIncomeLossNetOfTax

-437500000

USD

CY2018Q4

us-gaap

Stockholders Equity Including Portion Attributable To Noncontrolling Interest

StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest

5133900000

USD

CY2019

us-gaap

Stock Issued During Period Value Share Based Compensation

StockIssuedDuringPeriodValueShareBasedCompensation

-13800000

USD

CY2019

us-gaap

Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value

AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue

55900000

USD

CY2019

us-gaap

Dividends Common Stock

DividendsCommonStock

151400000

USD

CY2019

us-gaap

Treasury Stock Value Acquired Cost Method

TreasuryStockValueAcquiredCostMethod

274900000

USD

CY2019

us-gaap

Profit Loss

ProfitLoss

386800000

USD

CY2019

us-gaap

Dividends Preferred Stock

DividendsPreferredStock

18700000

USD

CY2019

us-gaap

Noncontrolling Interest Decrease From Deconsolidation

NoncontrollingInterestDecreaseFromDeconsolidation

2600000

USD

CY2019

us-gaap

Other Comprehensive Income Loss Net Of Tax

OtherComprehensiveIncomeLossNetOfTax

566900000

USD

CY2019Q4

us-gaap

Stockholders Equity Including Portion Attributable To Noncontrolling Interest

StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest

5682100000

USD

CY2019

us-gaap

Net Income Loss

NetIncomeLoss

382600000

USD

CY2018

us-gaap

Net Income Loss

NetIncomeLoss

251000000.0

USD

CY2017

us-gaap

Net Income Loss

NetIncomeLoss

519600000

USD

CY2019

us-gaap

Deferred Income Taxes And Tax Credits

DeferredIncomeTaxesAndTaxCredits

89500000

USD

CY2018

us-gaap

Deferred Income Taxes And Tax Credits

DeferredIncomeTaxesAndTaxCredits

20400000

USD

CY2017

us-gaap

Deferred Income Taxes And Tax Credits

DeferredIncomeTaxesAndTaxCredits

-4200000

USD

CY2019

aiz

Amortizationof Deferred Gainon Disposalof Businesses

AmortizationofDeferredGainonDisposalofBusinesses

14300000

USD

CY2018

aiz

Amortizationof Deferred Gainon Disposalof Businesses

AmortizationofDeferredGainonDisposalofBusinesses

56900000

USD

CY2017

aiz

Amortizationof Deferred Gainon Disposalof Businesses

AmortizationofDeferredGainonDisposalofBusinesses

103900000

USD

CY2019

us-gaap

Depreciation Amortization And Accretion Net

DepreciationAmortizationAndAccretionNet

125800000

USD

CY2018

us-gaap

Depreciation Amortization And Accretion Net

DepreciationAmortizationAndAccretionNet

126900000

USD

CY2017

us-gaap

Depreciation Amortization And Accretion Net

DepreciationAmortizationAndAccretionNet

115700000

USD

CY2019

us-gaap

Marketable Securities Gain Loss Excluding Other Than Temporary Impairments

MarketableSecuritiesGainLossExcludingOtherThanTemporaryImpairments

66300000

USD

CY2018

us-gaap

Marketable Securities Gain Loss Excluding Other Than Temporary Impairments

MarketableSecuritiesGainLossExcludingOtherThanTemporaryImpairments

-62700000

USD

CY2017

us-gaap

Marketable Securities Gain Loss Excluding Other Than Temporary Impairments

MarketableSecuritiesGainLossExcludingOtherThanTemporaryImpairments

30100000

USD

CY2019

us-gaap

Gains Losses On Extinguishment Of Debt

GainsLossesOnExtinguishmentOfDebt

-31400000

USD

CY2018

us-gaap

Gains Losses On Extinguishment Of Debt

GainsLossesOnExtinguishmentOfDebt

0

USD

CY2017

us-gaap

Gains Losses On Extinguishment Of Debt

GainsLossesOnExtinguishmentOfDebt

0

USD

CY2019

us-gaap

Gain Loss On Sale Of Business

GainLossOnSaleOfBusiness

-17000000.0

USD

CY2018

us-gaap

Gain Loss On Sale Of Business

GainLossOnSaleOfBusiness

-21900000

USD

CY2017

us-gaap

Gain Loss On Sale Of Business

GainLossOnSaleOfBusiness

0

USD

CY2019

us-gaap

Share Based Compensation

ShareBasedCompensation

55900000

USD

CY2018

us-gaap

Share Based Compensation

ShareBasedCompensation

57100000

USD

CY2017

us-gaap

Share Based Compensation

ShareBasedCompensation

35500000

USD

CY2019

us-gaap

Impairment Of Intangible Assets Excluding Goodwill

ImpairmentOfIntangibleAssetsExcludingGoodwill

16200000

USD

CY2018

us-gaap

Impairment Of Intangible Assets Excluding Goodwill

ImpairmentOfIntangibleAssetsExcludingGoodwill

20800000

USD

CY2017

us-gaap

Impairment Of Intangible Assets Excluding Goodwill

ImpairmentOfIntangibleAssetsExcludingGoodwill

2000000.0

USD

CY2019

aiz

Investment Change In Fair Value Before Tax

InvestmentChangeInFairValueBeforeTax

163000000.0

USD

CY2018

aiz

Investment Change In Fair Value Before Tax

InvestmentChangeInFairValueBeforeTax

0

USD

CY2017

aiz

Investment Change In Fair Value Before Tax

InvestmentChangeInFairValueBeforeTax

0

USD

CY2019

aiz

Change In Insurance Policy Reserves And Expenses

ChangeInInsurancePolicyReservesAndExpenses

1680500000

USD

CY2018

aiz

Change In Insurance Policy Reserves And Expenses

ChangeInInsurancePolicyReservesAndExpenses

549600000

USD

CY2017

aiz

Change In Insurance Policy Reserves And Expenses

ChangeInInsurancePolicyReservesAndExpenses

1388200000

USD

CY2019

us-gaap

Increase Decrease In Premiums Receivable

IncreaseDecreaseInPremiumsReceivable

63700000

USD

CY2018

us-gaap

Increase Decrease In Premiums Receivable

IncreaseDecreaseInPremiumsReceivable

220200000

USD

CY2017

us-gaap

Increase Decrease In Premiums Receivable

IncreaseDecreaseInPremiumsReceivable

10300000

USD

CY2019

aiz

Increase Decreasein Commissions Payable

IncreaseDecreaseinCommissionsPayable

102300000

USD

CY2018

aiz

Increase Decreasein Commissions Payable

IncreaseDecreaseinCommissionsPayable

-10700000

USD

CY2017

aiz

Increase Decreasein Commissions Payable

IncreaseDecreaseinCommissionsPayable

-22800000

USD

CY2019

us-gaap

Increase Decrease In Reinsurance Recoverable

IncreaseDecreaseInReinsuranceRecoverable

396900000

USD

CY2018

us-gaap

Increase Decrease In Reinsurance Recoverable

IncreaseDecreaseInReinsuranceRecoverable

-609000000.0

USD

CY2017

us-gaap

Increase Decrease In Reinsurance Recoverable

IncreaseDecreaseInReinsuranceRecoverable

936100000

USD

CY2019

us-gaap

Increase Decrease In Reinsurance Payables

IncreaseDecreaseInReinsurancePayables

24800000

USD

CY2018

us-gaap

Increase Decrease In Reinsurance Payables

IncreaseDecreaseInReinsurancePayables

3800000

USD

CY2017

us-gaap

Increase Decrease In Reinsurance Payables

IncreaseDecreaseInReinsurancePayables

52500000

USD

CY2019

us-gaap

Increase Decrease In Funds Held Under Reinsurance Agreements

IncreaseDecreaseInFundsHeldUnderReinsuranceAgreements

-44600000

USD

CY2018

us-gaap

Increase Decrease In Funds Held Under Reinsurance Agreements

IncreaseDecreaseInFundsHeldUnderReinsuranceAgreements

104700000

USD

CY2017

us-gaap

Increase Decrease In Funds Held Under Reinsurance Agreements

IncreaseDecreaseInFundsHeldUnderReinsuranceAgreements

-64600000

USD

CY2019

aiz

Change In Deferred Acquisition Costs And Value Of Business Acquired

ChangeInDeferredAcquisitionCostsAndValueOfBusinessAcquired

889400000

USD

CY2018

aiz

Change In Deferred Acquisition Costs And Value Of Business Acquired

ChangeInDeferredAcquisitionCostsAndValueOfBusinessAcquired

602400000

USD

CY2017

aiz

Change In Deferred Acquisition Costs And Value Of Business Acquired

ChangeInDeferredAcquisitionCostsAndValueOfBusinessAcquired

358800000

USD

CY2019

us-gaap

Increase Decrease In Other Operating Capital Net

IncreaseDecreaseInOtherOperatingCapitalNet

-100100000

USD

CY2018

us-gaap

Increase Decrease In Other Operating Capital Net

IncreaseDecreaseInOtherOperatingCapitalNet

209900000

USD

CY2017

us-gaap

Increase Decrease In Other Operating Capital Net

IncreaseDecreaseInOtherOperatingCapitalNet

27900000

USD

CY2019

us-gaap

Increase Decrease In Income Taxes

IncreaseDecreaseInIncomeTaxes

26600000

USD

CY2018

us-gaap

Increase Decrease In Income Taxes

IncreaseDecreaseInIncomeTaxes

137300000

USD

CY2017

us-gaap

Increase Decrease In Income Taxes

IncreaseDecreaseInIncomeTaxes

-105500000

USD

CY2019

us-gaap

Increase Decrease In Other Operating Assets

IncreaseDecreaseInOtherOperatingAssets

16300000

USD

CY2018

us-gaap

Increase Decrease In Other Operating Assets

IncreaseDecreaseInOtherOperatingAssets

-1000000.0

USD

CY2017

us-gaap

Increase Decrease In Other Operating Assets

IncreaseDecreaseInOtherOperatingAssets

48100000

USD

CY2019

us-gaap

Net Cash Provided By Used In Operating Activities

NetCashProvidedByUsedInOperatingActivities

1413400000

USD

CY2018

us-gaap

Net Cash Provided By Used In Operating Activities

NetCashProvidedByUsedInOperatingActivities

656700000

USD

CY2017

us-gaap

Net Cash Provided By Used In Operating Activities

NetCashProvidedByUsedInOperatingActivities

530400000

USD

CY2019

us-gaap

Proceeds From Sale Of Available For Sale Securities Debt

ProceedsFromSaleOfAvailableForSaleSecuritiesDebt

2105800000

USD

CY2018

us-gaap

Proceeds From Sale Of Available For Sale Securities Debt

ProceedsFromSaleOfAvailableForSaleSecuritiesDebt

3513800000

USD

CY2017

us-gaap

Proceeds From Sale Of Available For Sale Securities Debt

ProceedsFromSaleOfAvailableForSaleSecuritiesDebt

2923100000

USD

CY2019

us-gaap

Proceeds From Sale Of Available For Sale Securities Equity

ProceedsFromSaleOfAvailableForSaleSecuritiesEquity

118100000

USD

CY2017

us-gaap

Proceeds From Sale Of Available For Sale Securities Equity

ProceedsFromSaleOfAvailableForSaleSecuritiesEquity

97500000

USD

CY2018

us-gaap

Proceeds From Sale Of Available For Sale Securities Equity

ProceedsFromSaleOfAvailableForSaleSecuritiesEquity

66700000

USD

CY2019

us-gaap

Proceeds From Sale Of Other Investments

ProceedsFromSaleOfOtherInvestments

128900000

USD

CY2018

us-gaap

Proceeds From Sale Of Other Investments

ProceedsFromSaleOfOtherInvestments

90600000

USD

CY2017

us-gaap

Proceeds From Sale Of Other Investments

ProceedsFromSaleOfOtherInvestments

62800000

USD

CY2019

us-gaap

Proceeds From Sale Of Property Plant And Equipment

ProceedsFromSaleOfPropertyPlantAndEquipment

3300000

USD

CY2018

us-gaap

Proceeds From Sale Of Property Plant And Equipment

ProceedsFromSaleOfPropertyPlantAndEquipment

100000

USD

CY2017

us-gaap

Proceeds From Sale Of Property Plant And Equipment

ProceedsFromSaleOfPropertyPlantAndEquipment

26200000

USD

CY2019

us-gaap

Proceeds From Divestiture Of Businesses Net Of Cash Divested

ProceedsFromDivestitureOfBusinessesNetOfCashDivested

0

USD

CY2018

us-gaap

Proceeds From Divestiture Of Businesses Net Of Cash Divested

ProceedsFromDivestitureOfBusinessesNetOfCashDivested

60600000

USD

CY2017

us-gaap

Proceeds From Divestiture Of Businesses Net Of Cash Divested

ProceedsFromDivestitureOfBusinessesNetOfCashDivested

0

USD

CY2019

us-gaap

Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities

ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities

713800000

USD

CY2018

us-gaap

Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities

ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities

820800000

USD

CY2017

us-gaap

Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities

ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities

831900000

USD

CY2019

aiz

Proceedsfrommaturitiesprepaymentsandcallsofcommercialmortgageloansonrealestate

65500000

USD

CY2018

aiz

Proceedsfrommaturitiesprepaymentsandcallsofcommercialmortgageloansonrealestate

120600000

USD

CY2017

aiz

Proceedsfrommaturitiesprepaymentsandcallsofcommercialmortgageloansonrealestate

122700000

USD

CY2019

us-gaap

Payments To Acquire Available For Sale Securities Debt

PaymentsToAcquireAvailableForSaleSecuritiesDebt

2960600000

USD

CY2018

us-gaap

Payments To Acquire Available For Sale Securities Debt

PaymentsToAcquireAvailableForSaleSecuritiesDebt

4373600000

USD

CY2017

us-gaap

Payments To Acquire Available For Sale Securities Debt

PaymentsToAcquireAvailableForSaleSecuritiesDebt

3547200000

USD

CY2019

us-gaap

Payments To Acquire Available For Sale Securities Equity

PaymentsToAcquireAvailableForSaleSecuritiesEquity

87100000

USD

CY2018

us-gaap

Payments To Acquire Available For Sale Securities Equity

PaymentsToAcquireAvailableForSaleSecuritiesEquity

62400000

USD

CY2017

us-gaap

Payments To Acquire Available For Sale Securities Equity

PaymentsToAcquireAvailableForSaleSecuritiesEquity

24400000

USD

CY2019

aiz

Payments To Acquire Commercial Mortgage Loans On Real Estate

PaymentsToAcquireCommercialMortgageLoansOnRealEstate

117300000

USD

CY2018

aiz

Payments To Acquire Commercial Mortgage Loans On Real Estate

PaymentsToAcquireCommercialMortgageLoansOnRealEstate

215400000

USD

CY2017

aiz

Payments To Acquire Commercial Mortgage Loans On Real Estate

PaymentsToAcquireCommercialMortgageLoansOnRealEstate

165000000.0

USD

CY2019

us-gaap

Payments To Acquire Other Investments

PaymentsToAcquireOtherInvestments

76500000

USD

CY2018

us-gaap

Payments To Acquire Other Investments

PaymentsToAcquireOtherInvestments

54800000

USD

CY2017

us-gaap

Payments To Acquire Other Investments

PaymentsToAcquireOtherInvestments

46500000

USD

CY2019

us-gaap

Payments To Acquire Property Plant And Equipment

PaymentsToAcquirePropertyPlantAndEquipment

110300000

USD

CY2018

us-gaap

Payments To Acquire Property Plant And Equipment

PaymentsToAcquirePropertyPlantAndEquipment

82800000

USD

CY2017

us-gaap

Payments To Acquire Property Plant And Equipment

PaymentsToAcquirePropertyPlantAndEquipment

62100000

USD

CY2019

us-gaap

Payments To Acquire Businesses Net Of Cash Acquired

PaymentsToAcquireBusinessesNetOfCashAcquired

7600000

USD

CY2018

us-gaap

Payments To Acquire Businesses Net Of Cash Acquired

PaymentsToAcquireBusinessesNetOfCashAcquired

1110700000

USD

CY2017

us-gaap

Payments To Acquire Businesses Net Of Cash Acquired

PaymentsToAcquireBusinessesNetOfCashAcquired

129100000

USD

CY2019

aiz

Purchasesof Investmentsby Special Purpose Entities

PurchasesofInvestmentsbySpecialPurposeEntities

1311000000.0

USD

CY2018

aiz

Purchasesof Investmentsby Special Purpose Entities

PurchasesofInvestmentsbySpecialPurposeEntities

1774800000

USD

CY2017

aiz

Purchasesof Investmentsby Special Purpose Entities

PurchasesofInvestmentsbySpecialPurposeEntities

663800000

USD

CY2019

aiz

Sale Of Investments By Special Purpose Entities

SaleOfInvestmentsBySpecialPurposeEntities

935100000

USD

CY2018

aiz

Sale Of Investments By Special Purpose Entities

SaleOfInvestmentsBySpecialPurposeEntities

848500000

USD

CY2017

aiz

Sale Of Investments By Special Purpose Entities

SaleOfInvestmentsBySpecialPurposeEntities

81900000

USD

CY2019

us-gaap

Payments For Proceeds From Short Term Investments

PaymentsForProceedsFromShortTermInvestments

24400000

USD

CY2018

us-gaap

Payments For Proceeds From Short Term Investments

PaymentsForProceedsFromShortTermInvestments

52200000

USD

CY2017

us-gaap

Payments For Proceeds From Short Term Investments

PaymentsForProceedsFromShortTermInvestments

53900000

USD

CY2019

us-gaap

Payments For Proceeds From Other Investing Activities

PaymentsForProceedsFromOtherInvestingActivities

-4500000

USD

CY2018

us-gaap

Payments For Proceeds From Other Investing Activities

PaymentsForProceedsFromOtherInvestingActivities

-2500000

USD

CY2017

us-gaap

Payments For Proceeds From Other Investing Activities

PaymentsForProceedsFromOtherInvestingActivities

-4700000

USD

CY2019

us-gaap

Net Cash Provided By Used In Investing Activities

NetCashProvidedByUsedInInvestingActivities

-619800000

USD

CY2018

us-gaap

Net Cash Provided By Used In Investing Activities

NetCashProvidedByUsedInInvestingActivities

-2202500000

USD

CY2017

us-gaap

Net Cash Provided By Used In Investing Activities

NetCashProvidedByUsedInInvestingActivities

-541200000

USD

CY2019

us-gaap

Proceeds From Issuance Of Preferred Stock And Preference Stock

ProceedsFromIssuanceOfPreferredStockAndPreferenceStock

0

USD

CY2018

us-gaap

Proceeds From Issuance Of Preferred Stock And Preference Stock

ProceedsFromIssuanceOfPreferredStockAndPreferenceStock

276400000

USD

CY2017

us-gaap

Proceeds From Issuance Of Preferred Stock And Preference Stock

ProceedsFromIssuanceOfPreferredStockAndPreferenceStock

0

USD

CY2019

us-gaap

Proceeds From Issuance Of Long Term Debt

ProceedsFromIssuanceOfLongTermDebt

346700000

USD

CY2018

us-gaap

Proceeds From Issuance Of Long Term Debt

ProceedsFromIssuanceOfLongTermDebt

1285700000

USD

CY2017

us-gaap

Proceeds From Issuance Of Long Term Debt

ProceedsFromIssuanceOfLongTermDebt

0

USD

CY2019

us-gaap

Repayments Of Long Term Debt

RepaymentsOfLongTermDebt

379600000

USD

CY2018

us-gaap

Repayments Of Long Term Debt

RepaymentsOfLongTermDebt

350000000.0

USD

CY2017

us-gaap

Repayments Of Long Term Debt

RepaymentsOfLongTermDebt

0

USD

CY2019

aiz

Proceedsfrom Issuanceof Collateralized Loan Obligations

ProceedsfromIssuanceofCollateralizedLoanObligations

398600000

USD

CY2018

aiz

Proceedsfrom Issuanceof Collateralized Loan Obligations

ProceedsfromIssuanceofCollateralizedLoanObligations

842500000

USD

CY2017

aiz

Proceedsfrom Issuanceof Collateralized Loan Obligations

ProceedsfromIssuanceofCollateralizedLoanObligations

368000000.0

USD

CY2019

aiz

Special Purpose Entity Proceeds From Issuance Of Long Term Debt

SpecialPurposeEntityProceedsFromIssuanceOfLongTermDebt

189100000

USD

CY2018

aiz

Special Purpose Entity Proceeds From Issuance Of Long Term Debt

SpecialPurposeEntityProceedsFromIssuanceOfLongTermDebt

637300000

USD

CY2017

aiz

Special Purpose Entity Proceeds From Issuance Of Long Term Debt

SpecialPurposeEntityProceedsFromIssuanceOfLongTermDebt

303900000

USD

CY2019

aiz

Special Purpose Entity Repaymentsof Debt

SpecialPurposeEntityRepaymentsofDebt

319300000

USD

CY2018

aiz

Special Purpose Entity Repaymentsof Debt

SpecialPurposeEntityRepaymentsofDebt

591600000

USD

CY2017

aiz

Special Purpose Entity Repaymentsof Debt

SpecialPurposeEntityRepaymentsofDebt

221100000

USD

CY2019

us-gaap

Payment For Contingent Consideration Liability Financing Activities

PaymentForContingentConsiderationLiabilityFinancingActivities

19300000

USD

CY2018

us-gaap

Payment For Contingent Consideration Liability Financing Activities

PaymentForContingentConsiderationLiabilityFinancingActivities

0

USD

CY2017

us-gaap

Payment For Contingent Consideration Liability Financing Activities

PaymentForContingentConsiderationLiabilityFinancingActivities

0

USD

CY2019

us-gaap

Payments For Repurchase Of Common Stock

PaymentsForRepurchaseOfCommonStock

271800000

USD

CY2018

us-gaap

Payments For Repurchase Of Common Stock

PaymentsForRepurchaseOfCommonStock

139300000

USD

CY2017

us-gaap

Payments For Repurchase Of Common Stock

PaymentsForRepurchaseOfCommonStock

388900000

USD

CY2019

us-gaap

Payments Of Dividends Common Stock

PaymentsOfDividendsCommonStock

151300000

USD

CY2018

us-gaap

Payments Of Dividends Common Stock

PaymentsOfDividendsCommonStock

133800000

USD

CY2017

us-gaap

Payments Of Dividends Common Stock

PaymentsOfDividendsCommonStock

119000000.0

USD

CY2019

us-gaap

Payments Of Dividends Preferred Stock And Preference Stock

PaymentsOfDividendsPreferredStockAndPreferenceStock

18700000

USD

CY2018

us-gaap

Payments Of Dividends Preferred Stock And Preference Stock

PaymentsOfDividendsPreferredStockAndPreferenceStock

14200000

USD

CY2017

us-gaap

Payments Of Dividends Preferred Stock And Preference Stock

PaymentsOfDividendsPreferredStockAndPreferenceStock

0

USD

CY2019

us-gaap

Proceeds And Excess Tax Benefit From Sharebased Compensation

ProceedsAndExcessTaxBenefitFromSharebasedCompensation

19700000

USD

CY2018

us-gaap

Proceeds And Excess Tax Benefit From Sharebased Compensation

ProceedsAndExcessTaxBenefitFromSharebasedCompensation

15700000

USD

CY2017

us-gaap

Proceeds And Excess Tax Benefit From Sharebased Compensation

ProceedsAndExcessTaxBenefitFromSharebasedCompensation

19500000

USD

CY2019

us-gaap

Proceeds From Sales Of Assets Investing Activities

ProceedsFromSalesOfAssetsInvestingActivities

26700000

USD

CY2018

us-gaap

Proceeds From Sales Of Assets Investing Activities

ProceedsFromSalesOfAssetsInvestingActivities

0

USD

CY2017

us-gaap

Proceeds From Sales Of Assets Investing Activities

ProceedsFromSalesOfAssetsInvestingActivities

0

USD

CY2019

us-gaap

Proceeds From Minority Shareholders

ProceedsFromMinorityShareholders

0

USD

CY2018

us-gaap

Proceeds From Minority Shareholders

ProceedsFromMinorityShareholders

9200000

USD

CY2017

us-gaap

Proceeds From Minority Shareholders

ProceedsFromMinorityShareholders

10900000

USD

CY2019

us-gaap

Proceeds From Payments For Other Financing Activities

ProceedsFromPaymentsForOtherFinancingActivities

0

USD

CY2018

us-gaap

Proceeds From Payments For Other Financing Activities

ProceedsFromPaymentsForOtherFinancingActivities

100000

USD

CY2017

us-gaap

Proceeds From Payments For Other Financing Activities

ProceedsFromPaymentsForOtherFinancingActivities

0

USD

CY2019

us-gaap

Net Cash Provided By Used In Financing Activities

NetCashProvidedByUsedInFinancingActivities

-179200000

USD

CY2018

us-gaap

Net Cash Provided By Used In Financing Activities

NetCashProvidedByUsedInFinancingActivities

1838000000.0

USD

CY2017

us-gaap

Net Cash Provided By Used In Financing Activities

NetCashProvidedByUsedInFinancingActivities

-26700000

USD

CY2019

us-gaap

Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents

EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents

-1300000

USD

CY2018

us-gaap

Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents

EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents

-35000000.0

USD

CY2017

us-gaap

Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents

EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents

2300000

USD

CY2019

us-gaap

Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect

CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect

613100000

USD

CY2018

us-gaap

Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect

CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect

257200000

USD

CY2017

us-gaap

Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect

CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect

-35200000

USD

CY2018Q4

us-gaap

Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents

CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents

1254000000.0

USD

CY2017Q4

us-gaap

Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents

CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents

996800000

USD

CY2016Q4

us-gaap

Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents

CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents

1032000000.0

USD

CY2019Q4

us-gaap

Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents

CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents

1867100000

USD

CY2018Q4

us-gaap

Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents

CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents

1254000000.0

USD

CY2017Q4

us-gaap

Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents

CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents

996800000

USD

CY2019

us-gaap

Income Taxes Paid

IncomeTaxesPaid

93100000

USD

CY2018

us-gaap

Income Taxes Paid

IncomeTaxesPaid

93900000

USD

CY2017

us-gaap

Income Taxes Paid

IncomeTaxesPaid

18800000

USD

CY2019

us-gaap

Interest Paid Net

InterestPaidNet

103200000

USD

CY2018

us-gaap

Interest Paid Net

InterestPaidNet

79500000

USD

CY2017

us-gaap

Interest Paid Net

InterestPaidNet

48100000

USD

CY2018

us-gaap

Payments To Acquire Businesses Gross

PaymentsToAcquireBusinessesGross

1490000000

USD

CY2019

us-gaap

Nature Of Operations

NatureOfOperations

Nature of Operations <div style="line-height:120%;padding-bottom:6px;padding-top:6px;text-indent:32px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">Assurant, Inc. (the “Company”) is a global provider of lifestyle and housing solutions that support, protect and connect major consumer purchases. The Company partners with leading brands to develop innovative products and services and to deliver enhanced customer experience. The Company operates in North America, Latin America, Europe and Asia Pacific through </span><span style="font-family:inherit;font-size:10pt;"><span>three</span></span><span style="font-family:inherit;font-size:10pt;"> operating segments: Global Lifestyle, Global Housing and Global Preneed. Through its Global Lifestyle segment, the Company provides mobile device solutions and extended service products and related services for consumer electronics and appliances (referred to as “Connected Living”); vehicle protection and related services (referred to as “Global Automotive”); and credit and other insurance products (referred to as “Global Financial Services and Other”). Through its Global Housing segment, the Company provides lender-placed homeowners insurance, lender-placed manufactured housing insurance and lender-placed flood insurance (referred to as “Lender-placed Insurance”); renters insurance and related products (referred to as “Multifamily Housing”); and voluntary manufactured housing insurance, voluntary homeowners insurance and other specialty products (referred to as “Specialty and Other”). Through its Global Preneed segment, the Company provides pre-funded funeral insurance, final need insurance and related services. </span></div>The Company’s common stock is traded on the New York Stock Exchange under the symbol “AIZ”.

CY2019

us-gaap

Number Of Operating Segments

NumberOfOperatingSegments

3

segment

CY2019

us-gaap

Use Of Estimates

UseOfEstimates

<div style="line-height:120%;padding-bottom:8px;text-align:left;text-indent:30px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;font-style:italic;font-weight:bold;">Use of Estimates</span></div><div style="line-height:120%;padding-bottom:8px;text-align:left;text-indent:30px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">The preparation of financial statements requires management to make estimates and assumptions that affect the reported amounts. The items affected by the use of estimates include but are not limited to, investments, reinsurance recoverables, deferred acquisition costs (“DAC”), value of business acquired (“VOBA”), deferred income taxes and associated valuation allowances, goodwill, intangible assets, future policy benefits and expenses, unearned premiums, claims and benefits payable, deferred gain on disposal of businesses, pension and post-retirement liabilities and commitments and contingencies. The estimates are sensitive to market conditions, investment yields, mortality, morbidity, commissions and other acquisition expenses, policyholder behavior and other factors. Actual results could differ from the estimates recorded. The Company believes all amounts reported are reasonable and adequate.</span></div>

CY2019

aiz

Loss From Remeasurement Due To Highly Inflationary Accounting

LossFromRemeasurementDueToHighlyInflationaryAccounting

18400000

USD

CY2018

aiz

Loss From Remeasurement Due To Highly Inflationary Accounting

LossFromRemeasurementDueToHighlyInflationaryAccounting

17200000

USD

CY2019Q4

us-gaap

Restricted Cash And Cash Equivalents

RestrictedCashAndCashEquivalents

12800000

USD

CY2018Q4

us-gaap

Restricted Cash And Cash Equivalents

RestrictedCashAndCashEquivalents

23800000

USD

CY2019Q4

us-gaap

Liability For Future Policy Benefits

LiabilityForFuturePolicyBenefits

9807300000

USD

CY2019Q4

us-gaap

Unearned Premiums

UnearnedPremiums

16603600000

USD

CY2019Q4

us-gaap

Liability For Unpaid Claims And Claims Adjustment Expense Reported Claims Amount

LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseReportedClaimsAmount

1625200000

USD

CY2019Q4

us-gaap

Liability For Unpaid Claims And Claims Adjustment Expense Incurred But Not Reported Ibnr Claims Amount

LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseIncurredButNotReportedIBNRClaimsAmount

1062500000

USD

CY2018Q4

us-gaap

Liability For Future Policy Benefits

LiabilityForFuturePolicyBenefits

9240900000

USD

CY2018Q4

us-gaap

Unearned Premiums

UnearnedPremiums

15648000000.0

USD

CY2018Q4

us-gaap

Liability For Unpaid Claims And Claims Adjustment Expense Reported Claims Amount

LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseReportedClaimsAmount

1770300000

USD

CY2018Q4

us-gaap

Liability For Unpaid Claims And Claims Adjustment Expense Incurred But Not Reported Ibnr Claims Amount

LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseIncurredButNotReportedIBNRClaimsAmount

1043400000

USD

CY2018

us-gaap

Business Acquisitions Pro Forma Revenue

BusinessAcquisitionsProFormaRevenue

9108000000.0

USD

CY2017

us-gaap

Business Acquisitions Pro Forma Revenue

BusinessAcquisitionsProFormaRevenue

8607000000.0

USD

CY2018

us-gaap

Business Acquisitions Pro Forma Net Income Loss

BusinessAcquisitionsProFormaNetIncomeLoss

333100000

USD

CY2017

us-gaap

Business Acquisitions Pro Forma Net Income Loss

BusinessAcquisitionsProFormaNetIncomeLoss

582500000

USD

CY2018

us-gaap

Business Acquisition Pro Forma Earnings Per Share Basic

BusinessAcquisitionProFormaEarningsPerShareBasic

4.95

CY2017

us-gaap

Business Acquisition Pro Forma Earnings Per Share Basic

BusinessAcquisitionProFormaEarningsPerShareBasic

8.62

CY2018

us-gaap

Business Acquisition Pro Forma Earnings Per Share Diluted

BusinessAcquisitionProFormaEarningsPerShareDiluted

4.93

CY2017

us-gaap

Business Acquisition Pro Forma Earnings Per Share Diluted

BusinessAcquisitionProFormaEarningsPerShareDiluted

8.49

CY2018Q4

aiz

Aca Risk Corridor Programs Receivables Valuation Allowance

ACARiskCorridorProgramsReceivablesValuationAllowance

106700000

USD

CY2019

us-gaap

Number Of Reportable Segments

NumberOfReportableSegments

4

segment

CY2019

us-gaap

Premiums Earned Net

PremiumsEarnedNet

8020000000.0

USD

CY2019

us-gaap

Other Income

OtherIncome

1311200000

USD

CY2019

us-gaap

Net Investment Income

NetInvestmentIncome

675000000.0

USD

CY2019

us-gaap

Realized Investment Gains Losses

RealizedInvestmentGainsLosses

66300000

USD

CY2019

aiz

Amortizationof Deferred Gainon Disposalof Businesses

AmortizationofDeferredGainonDisposalofBusinesses

14300000

USD

CY2019

us-gaap

Revenues

10086800000

USD

CY2019

us-gaap

Policyholder Benefits And Claims Incurred Net

PolicyholderBenefitsAndClaimsIncurredNet

2654700000

USD

CY2019

aiz

Amortization Of Deferred Acquisition Costs And Value Of Business Acquired

AmortizationOfDeferredAcquisitionCostsAndValueOfBusinessAcquired

3322100000

USD

CY2019

us-gaap

Selling General And Administrative Expense

SellingGeneralAndAdministrativeExpense

3250500000

USD

CY2019

aiz

Investment Change In Fair Value Before Tax

InvestmentChangeInFairValueBeforeTax

163000000.0

USD

CY2019

us-gaap

Interest Expense

InterestExpense

110600000

USD

CY2019

us-gaap

Gains Losses On Extinguishment Of Debt

GainsLossesOnExtinguishmentOfDebt

-31400000

USD

CY2019

us-gaap

Benefits Losses And Expenses

BenefitsLossesAndExpenses

9532300000

USD

CY2019

us-gaap

Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest

IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest

554500000

USD

CY2019

us-gaap

Income Tax Expense Benefit

IncomeTaxExpenseBenefit

167700000

USD

CY2019

us-gaap

Profit Loss

ProfitLoss

386800000

USD

CY2019

us-gaap

Net Income Loss Attributable To Noncontrolling Interest

NetIncomeLossAttributableToNoncontrollingInterest

4200000

USD

CY2019

us-gaap

Net Income Loss

NetIncomeLoss

382600000

USD

CY2019

us-gaap

Preferred Stock Dividends And Other Adjustments

PreferredStockDividendsAndOtherAdjustments

18700000

USD

CY2019

us-gaap

Net Income Loss Available To Common Stockholders Basic

NetIncomeLossAvailableToCommonStockholdersBasic

363900000

USD

CY2019Q4

us-gaap

Assets

44291200000

USD

CY2018

us-gaap

Premiums Earned Net

PremiumsEarnedNet

6156900000

USD

CY2018

us-gaap

Other Income

OtherIncome

1308100000

USD

CY2018

us-gaap

Net Investment Income

NetInvestmentIncome

598400000

USD

CY2018

us-gaap

Realized Investment Gains Losses

RealizedInvestmentGainsLosses

-62700000

USD

CY2018

aiz

Amortizationof Deferred Gainon Disposalof Businesses

AmortizationofDeferredGainonDisposalofBusinesses

56900000

USD

CY2018

us-gaap

Revenues

8057600000

USD

CY2018

us-gaap

Policyholder Benefits And Claims Incurred Net

PolicyholderBenefitsAndClaimsIncurredNet

2342600000

USD

CY2018

aiz

Amortization Of Deferred Acquisition Costs And Value Of Business Acquired

AmortizationOfDeferredAcquisitionCostsAndValueOfBusinessAcquired

2300800000

USD

CY2018

us-gaap

Selling General And Administrative Expense

SellingGeneralAndAdministrativeExpense

2980400000

USD

CY2018

us-gaap

Interest Expense

InterestExpense

100300000

USD

CY2018

us-gaap

Benefits Losses And Expenses

BenefitsLossesAndExpenses

7724100000

USD

CY2018

us-gaap

Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest

IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest

333500000

USD

CY2018

us-gaap

Income Tax Expense Benefit

IncomeTaxExpenseBenefit

80900000

USD

CY2018

us-gaap

Profit Loss

ProfitLoss

252600000

USD

CY2018

us-gaap

Net Income Loss Attributable To Noncontrolling Interest

NetIncomeLossAttributableToNoncontrollingInterest

1600000

USD

CY2018

us-gaap

Net Income Loss

NetIncomeLoss

251000000.0

USD

CY2018

us-gaap

Preferred Stock Dividends And Other Adjustments

PreferredStockDividendsAndOtherAdjustments

14200000

USD

CY2018

us-gaap

Net Income Loss Available To Common Stockholders Basic

NetIncomeLossAvailableToCommonStockholdersBasic

236800000

USD

CY2018Q4

us-gaap

Assets

41089300000

USD

CY2017

us-gaap

Premiums Earned Net

PremiumsEarnedNet

4404100000

USD

CY2017

us-gaap

Other Income

OtherIncome

1383100000

USD

CY2017

us-gaap

Net Investment Income

NetInvestmentIncome

493800000

USD

CY2017

us-gaap

Realized Investment Gains Losses

RealizedInvestmentGainsLosses

30100000

USD

CY2017

aiz

Amortizationof Deferred Gainon Disposalof Businesses

AmortizationofDeferredGainonDisposalofBusinesses

103900000

USD

CY2017

us-gaap

Revenues

6415000000.0

USD

CY2017

us-gaap

Policyholder Benefits And Claims Incurred Net

PolicyholderBenefitsAndClaimsIncurredNet

1870600000

USD

CY2017

aiz

Amortization Of Deferred Acquisition Costs And Value Of Business Acquired

AmortizationOfDeferredAcquisitionCostsAndValueOfBusinessAcquired

1340000000.0

USD

CY2017

us-gaap

Selling General And Administrative Expense

SellingGeneralAndAdministrativeExpense

2710400000

USD

CY2017

us-gaap

Interest Expense

InterestExpense

49500000

USD

CY2017

us-gaap

Benefits Losses And Expenses

BenefitsLossesAndExpenses

5970500000

USD

CY2017

us-gaap

Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest

IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest

444500000

USD

CY2017

us-gaap

Income Tax Expense Benefit

IncomeTaxExpenseBenefit

-75100000

USD

CY2017

us-gaap

Net Income Loss

NetIncomeLoss

519600000

USD

CY2018

aiz

Loss From Remeasurement Due To Highly Inflationary Accounting

LossFromRemeasurementDueToHighlyInflationaryAccounting

17200000

USD

CY2017

aiz

Tax Cutsand Jobs Actof2017 Incomplete Accounting Provisional Income Tax Expense Benefit

TaxCutsandJobsActof2017IncompleteAccountingProvisionalIncomeTaxExpenseBenefit

-177000000.0

USD

CY2018

aiz

Tax Cutsand Jobs Act Measurement Period Adjustment Income Tax Expense Benefit

TaxCutsandJobsActMeasurementPeriodAdjustmentIncomeTaxExpenseBenefit

1500000

USD

CY2019

us-gaap

Revenues

10086800000

USD

CY2019Q4

us-gaap

Noncurrent Assets

NoncurrentAssets

433700000

USD

CY2018

us-gaap

Revenues

8057600000

USD

CY2018Q4

us-gaap

Noncurrent Assets

NoncurrentAssets

392500000

USD

CY2017

us-gaap

Revenues

6415000000.0

USD

CY2017Q4

us-gaap

Noncurrent Assets

NoncurrentAssets

347600000

USD

CY2019Q4

us-gaap

Contract With Customer Asset Net

ContractWithCustomerAssetNet

185000000.0

USD

CY2019Q4

us-gaap

Contract With Customer Liability

ContractWithCustomerLiability

87600000

USD

CY2018Q4

us-gaap

Contract With Customer Asset Net

ContractWithCustomerAssetNet

183700000

USD

CY2018Q4

us-gaap

Contract With Customer Liability

ContractWithCustomerLiability

88700000

USD

CY2019Q4

us-gaap

Available For Sale Debt Securities Amortized Cost Basis

AvailableForSaleDebtSecuritiesAmortizedCostBasis

11064800000

USD

CY2019Q4

us-gaap

Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax

AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax

1266000000.0

USD

CY2019Q4

us-gaap

Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax

AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax

8400000

USD

CY2019Q4

us-gaap

Available For Sale Securities Debt Securities

AvailableForSaleSecuritiesDebtSecurities

12322400000

USD

CY2019

us-gaap

Other Than Temporary Impairment Losses Investments Portion In Other Comprehensive Income Loss Before Tax Including Portion Attributable To Noncontrolling Interest Availableforsale Securities

OtherThanTemporaryImpairmentLossesInvestmentsPortionInOtherComprehensiveIncomeLossBeforeTaxIncludingPortionAttributableToNoncontrollingInterestAvailableforsaleSecurities

19600000

USD

CY2018Q4

us-gaap

Available For Sale Debt Securities Amortized Cost Basis

AvailableForSaleDebtSecuritiesAmortizedCostBasis

10834000000.0

USD

CY2018Q4

us-gaap

Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax

AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax

531400000

USD

CY2018Q4

us-gaap

Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax

AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax

108300000

USD

CY2018Q4

us-gaap

Available For Sale Securities Debt Securities

AvailableForSaleSecuritiesDebtSecurities

11257100000

USD

CY2018

us-gaap

Other Than Temporary Impairment Losses Investments Portion In Other Comprehensive Income Loss Before Tax Including Portion Attributable To Noncontrolling Interest Availableforsale Securities

OtherThanTemporaryImpairmentLossesInvestmentsPortionInOtherComprehensiveIncomeLossBeforeTaxIncludingPortionAttributableToNoncontrollingInterestAvailableforsaleSecurities

19100000

USD

CY2019Q4

aiz

Maximum Individual State Exposure

MaximumIndividualStateExposure

0.003

CY2018Q4

aiz

Maximum Individual State Exposure

MaximumIndividualStateExposure

0.004

CY2019Q4

aiz

Advance Refunded Or Escrowed To Maturity Securities

AdvanceRefundedOrEscrowedToMaturitySecurities

51900000

USD

CY2018Q4

aiz

Advance Refunded Or Escrowed To Maturity Securities

AdvanceRefundedOrEscrowedToMaturitySecurities

58400000

USD

CY2019Q4

aiz

Percentage Of Revenue Securities

PercentageOfRevenueSecurities

0.60

CY2018Q4

aiz

Percentage Of Revenue Securities

PercentageOfRevenueSecurities

0.56

CY2019Q4

us-gaap

Available For Sale Securities Debt Maturities Within One Year Amortized Cost

AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost

394700000

USD

CY2019Q4

us-gaap

Available For Sale Securities Debt Maturities Within One Year Fair Value

AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue

397200000

USD

CY2019Q4

us-gaap

Available For Sale Securities Debt Maturities After One Through Five Years Amortized Cost

AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsAmortizedCost

2444000000.0

USD

CY2019Q4

us-gaap

Available For Sale Securities Debt Maturities After One Through Five Years Fair Value

AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue

2532500000

USD

CY2019Q4

us-gaap

Available For Sale Securities Debt Maturities After Five Through Ten Years Amortized Cost

AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsAmortizedCost

2466100000

USD

CY2019Q4

us-gaap

Available For Sale Securities Debt Maturities After Five Through Ten Years Fair Value

AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue

2680700000

USD

CY2019Q4

us-gaap

Available For Sale Securities Debt Maturities After Ten Years Amortized Cost

AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsAmortizedCost

3809600000

USD

CY2019Q4

us-gaap

Available For Sale Securities Debt Maturities After Ten Years Fair Value

AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue

4700400000

USD

CY2019Q4

us-gaap

Available For Sale Securities Debt Maturities Single Maturity Date Amortized Cost Basis

AvailableForSaleSecuritiesDebtMaturitiesSingleMaturityDateAmortizedCostBasis

9114400000

USD

CY2019Q4

us-gaap

Available For Sale Securities Debt Maturities Single Maturity Date

AvailableForSaleSecuritiesDebtMaturitiesSingleMaturityDate

10310800000

USD

CY2019Q4

us-gaap

Available For Sale Debt Securities Amortized Cost Basis

AvailableForSaleDebtSecuritiesAmortizedCostBasis

11064800000

USD

CY2019Q4

us-gaap

Available For Sale Securities Debt Securities

AvailableForSaleSecuritiesDebtSecurities

12322400000

USD

CY2019

us-gaap

Gross Investment Income Operating

GrossInvestmentIncomeOperating

769600000

USD

CY2018

us-gaap

Gross Investment Income Operating

GrossInvestmentIncomeOperating

673600000

USD

CY2017

us-gaap

Gross Investment Income Operating

GrossInvestmentIncomeOperating

524100000

USD

CY2019

us-gaap

Investment Income Investment Expense

InvestmentIncomeInvestmentExpense

24500000

USD

CY2018

us-gaap

Investment Income Investment Expense

InvestmentIncomeInvestmentExpense

23300000

USD

CY2017

us-gaap

Investment Income Investment Expense

InvestmentIncomeInvestmentExpense

21900000

USD

CY2019

us-gaap

Net Investment Income

NetInvestmentIncome

675000000.0

USD

CY2018

us-gaap

Net Investment Income

NetInvestmentIncome

598400000

USD

CY2017

us-gaap

Net Investment Income

NetInvestmentIncome

493800000

USD

CY2019

aiz

Non Income Producing Material Investments

NonIncomeProducingMaterialInvestments

0

USD

CY2019

aiz

Proceedsfrom Saleof Debt Securities Availableforsale Including Proceedsin Transit

ProceedsfromSaleofDebtSecuritiesAvailableforsaleIncludingProceedsinTransit

2105100000

USD

CY2018

aiz

Proceedsfrom Saleof Debt Securities Availableforsale Including Proceedsin Transit

ProceedsfromSaleofDebtSecuritiesAvailableforsaleIncludingProceedsinTransit

3516900000

USD

CY2017

aiz

Proceedsfrom Saleof Debt Securities Availableforsale Including Proceedsin Transit

ProceedsfromSaleofDebtSecuritiesAvailableforsaleIncludingProceedsinTransit

2920700000

USD

CY2019

us-gaap

Debt Securities Available For Sale Realized Gain

DebtSecuritiesAvailableForSaleRealizedGain

35100000

USD

CY2018

us-gaap

Debt Securities Available For Sale Realized Gain

DebtSecuritiesAvailableForSaleRealizedGain

18200000

USD

CY2017

us-gaap

Debt Securities Available For Sale Realized Gain

DebtSecuritiesAvailableForSaleRealizedGain

33800000

USD

CY2019

us-gaap

Debt Securities Available For Sale Realized Loss

DebtSecuritiesAvailableForSaleRealizedLoss

15000000.0

USD

CY2018

us-gaap

Debt Securities Available For Sale Realized Loss

DebtSecuritiesAvailableForSaleRealizedLoss

59800000

USD

CY2017

us-gaap

Debt Securities Available For Sale Realized Loss

DebtSecuritiesAvailableForSaleRealizedLoss

11800000

USD

CY2019

us-gaap

Debt Securities Available For Sale Realized Gain Loss

DebtSecuritiesAvailableForSaleRealizedGainLoss

20100000

USD

CY2018

us-gaap

Debt Securities Available For Sale Realized Gain Loss

DebtSecuritiesAvailableForSaleRealizedGainLoss

-41600000

USD

CY2017

us-gaap

Debt Securities Available For Sale Realized Gain Loss

DebtSecuritiesAvailableForSaleRealizedGainLoss

22000000.0

USD

CY2019

us-gaap

Proceeds From Sale Of Available For Sale Securities Equity

ProceedsFromSaleOfAvailableForSaleSecuritiesEquity

118100000

USD

CY2018

us-gaap

Proceeds From Sale Of Available For Sale Securities Equity

ProceedsFromSaleOfAvailableForSaleSecuritiesEquity

66700000

USD

CY2017

us-gaap

Equity Securities Fv Ni Realized Loss

EquitySecuritiesFvNiRealizedLoss

400000

USD

CY2017

us-gaap

Proceeds From Sale Of Available For Sale Securities Equity

ProceedsFromSaleOfAvailableForSaleSecuritiesEquity

97500000

USD

CY2019

us-gaap

Equity Securities Fv Ni Realized Gain

EquitySecuritiesFvNiRealizedGain

7000000.0

USD

CY2018

us-gaap

Equity Securities Fv Ni Realized Gain

EquitySecuritiesFvNiRealizedGain

4100000

USD

CY2017

us-gaap

Equity Securities Fv Ni Realized Gain

EquitySecuritiesFvNiRealizedGain

9700000

USD

CY2019

us-gaap

Equity Securities Fv Ni Realized Loss

EquitySecuritiesFvNiRealizedLoss

1800000

USD

CY2018

us-gaap

Equity Securities Fv Ni Realized Loss

EquitySecuritiesFvNiRealizedLoss

200000

USD

CY2019

us-gaap

Equity Securities Fv Ni Realized Gain Loss

EquitySecuritiesFvNiRealizedGainLoss

5200000

USD

CY2018

us-gaap

Equity Securities Fv Ni Realized Gain Loss

EquitySecuritiesFvNiRealizedGainLoss

3900000

USD

CY2017

us-gaap

Equity Securities Fv Ni Realized Gain Loss

EquitySecuritiesFvNiRealizedGainLoss

9300000

USD

CY2019

aiz

Average Period Of Time These Securities Traded Continuously At Price Below Book Value

AveragePeriodOfTimeTheseSecuritiesTradedContinuouslyAtPriceBelowBookValue

P9M

CY2019

us-gaap

Debt And Equity Securities Gain Loss Excluding Other Than Temporary Impairment Loss

DebtAndEquitySecuritiesGainLossExcludingOtherThanTemporaryImpairmentLoss

68900000

USD

CY2018

us-gaap

Debt And Equity Securities Gain Loss Excluding Other Than Temporary Impairment Loss

DebtAndEquitySecuritiesGainLossExcludingOtherThanTemporaryImpairmentLoss

-62100000

USD

CY2017

us-gaap

Gain Loss On Investments Excluding Other Than Temporary Impairments

GainLossOnInvestmentsExcludingOtherThanTemporaryImpairments

31000000.0

USD

CY2019

us-gaap

Other Than Temporary Impairment Loss Debt Securities Portion Recognized In Earnings

OtherThanTemporaryImpairmentLossDebtSecuritiesPortionRecognizedInEarnings

2600000

USD

CY2018

us-gaap

Other Than Temporary Impairment Loss Debt Securities Portion Recognized In Earnings

OtherThanTemporaryImpairmentLossDebtSecuritiesPortionRecognizedInEarnings

600000

USD

CY2017

us-gaap

Other Than Temporary Impairment Losses Investments Portion Recognized In Earnings Net

OtherThanTemporaryImpairmentLossesInvestmentsPortionRecognizedInEarningsNet

900000

USD

CY2019

us-gaap

Debt And Equity Securities Gain Loss

DebtAndEquitySecuritiesGainLoss

66300000

USD

CY2018

us-gaap

Debt And Equity Securities Gain Loss

DebtAndEquitySecuritiesGainLoss

-62700000

USD

CY2017

us-gaap

Gain Loss On Investments

GainLossOnInvestments

30100000

USD

CY2019

us-gaap

Equity Securities Fv Ni Gain Loss

EquitySecuritiesFvNiGainLoss

49600000

USD

CY2018

us-gaap

Equity Securities Fv Ni Gain Loss

EquitySecuritiesFvNiGainLoss

-14900000

USD

CY2019

us-gaap

Equity Securities Fv Ni Realized Gain Loss

EquitySecuritiesFvNiRealizedGainLoss

5200000

USD

CY2018

us-gaap

Equity Securities Fv Ni Realized Gain Loss

EquitySecuritiesFvNiRealizedGainLoss

3900000

USD

CY2019

us-gaap

Equity Securities Fv Ni Unrealized Gain Loss

EquitySecuritiesFvNiUnrealizedGainLoss

44400000

USD

CY2018

us-gaap

Equity Securities Fv Ni Unrealized Gain Loss

EquitySecuritiesFvNiUnrealizedGainLoss

-18800000

USD

CY2019

us-gaap

Impairment Of Investments

ImpairmentOfInvestments

2600000

USD

CY2018

us-gaap

Impairment Of Investments

ImpairmentOfInvestments

600000

USD

CY2018Q4

us-gaap

Other Than Temporary Impairment Credit Losses Recognized In Earnings Credit Losses On Debt Securities Held

OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsCreditLossesOnDebtSecuritiesHeld

15500000

USD

CY2017Q4

us-gaap

Other Than Temporary Impairment Credit Losses Recognized In Earnings Credit Losses On Debt Securities Held

OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsCreditLossesOnDebtSecuritiesHeld

18100000

USD

CY2019Q4

aiz

Credit Quality Percentage For Gross Commercial Mortgage Loans

CreditQualityPercentageForGrossCommercialMortgageLoans

1.000

CY2019Q4

aiz

Debt Service Coverage Ratios For Commercial Mortgage Loans

DebtServiceCoverageRatiosForCommercialMortgageLoans

2.16

CY2019Q4

us-gaap

Allowance For Loan And Lease Losses Real Estate

AllowanceForLoanAndLeaseLossesRealEstate

600000

USD

CY2019Q4

us-gaap

Mortgage Loans On Real Estate Commercial And Consumer Net

MortgageLoansOnRealEstateCommercialAndConsumerNet

815000000.0

USD

CY2018Q4

us-gaap

Loans Receivable Commercial Mortgage

LoansReceivableCommercialMortgage

760000000.0

USD

CY2018Q4

aiz

Credit Quality Percentage For Gross Commercial Mortgage Loans

CreditQualityPercentageForGrossCommercialMortgageLoans

1.000

CY2018Q4

aiz

Debt Service Coverage Ratios For Commercial Mortgage Loans

DebtServiceCoverageRatiosForCommercialMortgageLoans

2.02

CY2016Q4

us-gaap

Other Than Temporary Impairment Credit Losses Recognized In Earnings Credit Losses On Debt Securities Held

OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsCreditLossesOnDebtSecuritiesHeld

24900000

USD

CY2019

us-gaap

Other Than Temporary Impairment Credit Losses Recognized In Earnings Reductions Cash Flows

OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsReductionsCashFlows

1300000

USD

CY2018

us-gaap

Other Than Temporary Impairment Credit Losses Recognized In Earnings Reductions Cash Flows

OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsReductionsCashFlows

2600000

USD

CY2017

us-gaap

Other Than Temporary Impairment Credit Losses Recognized In Earnings Reductions Cash Flows

OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsReductionsCashFlows

2400000

USD

CY2019

aiz

Other Than Temporary Impairment Credit Losses Recognized In Earnings Reductions Securities Matured Paid Down Prepaid Or Sold

OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsReductionsSecuritiesMaturedPaidDownPrepaidOrSold

0

USD

CY2018

aiz

Other Than Temporary Impairment Credit Losses Recognized In Earnings Reductions Securities Matured Paid Down Prepaid Or Sold

OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsReductionsSecuritiesMaturedPaidDownPrepaidOrSold

0

USD

CY2017

aiz

Other Than Temporary Impairment Credit Losses Recognized In Earnings Reductions Securities Matured Paid Down Prepaid Or Sold

OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsReductionsSecuritiesMaturedPaidDownPrepaidOrSold

4400000

USD

CY2019Q4

us-gaap

Other Than Temporary Impairment Credit Losses Recognized In Earnings Credit Losses On Debt Securities Held

OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsCreditLossesOnDebtSecuritiesHeld

14200000

USD

CY2018Q4

us-gaap

Other Than Temporary Impairment Credit Losses Recognized In Earnings Credit Losses On Debt Securities Held

OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsCreditLossesOnDebtSecuritiesHeld

15500000

USD

CY2017Q4

us-gaap

Other Than Temporary Impairment Credit Losses Recognized In Earnings Credit Losses On Debt Securities Held

OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsCreditLossesOnDebtSecuritiesHeld

18100000

USD

CY2019Q4

us-gaap

Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months

DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months

440300000

USD

CY2019Q4

us-gaap

Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss

DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss

4100000

USD

CY2019Q4

us-gaap

Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer

DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger

213900000

USD

CY2019Q4

us-gaap

Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss

DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss

4300000

USD

CY2019Q4

us-gaap

Debt Securities Available For Sale Unrealized Loss Position

DebtSecuritiesAvailableForSaleUnrealizedLossPosition

654200000

USD

CY2019Q4

us-gaap

Debt Securities Available For Sale Unrealized Loss Position Accumulated Loss

DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss

8400000

USD

CY2018Q4

us-gaap

Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months

DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months

3524300000

USD

CY2018Q4

us-gaap

Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss

DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss

79400000

USD

CY2018Q4

us-gaap

Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer

DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger

746400000

USD

CY2018Q4

us-gaap

Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss

DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss

28900000

USD

CY2018Q4

us-gaap

Debt Securities Available For Sale Unrealized Loss Position

DebtSecuritiesAvailableForSaleUnrealizedLossPosition

4270700000

USD

CY2018Q4

us-gaap

Debt Securities Available For Sale Unrealized Loss Position Accumulated Loss

DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss

108300000

USD

CY2019Q4

aiz

Available For Sale Securities Gross Unrealized Losses Percentage

AvailableForSaleSecuritiesGrossUnrealizedLossesPercentage

0.01

CY2018Q4

aiz

Available For Sale Securities Gross Unrealized Losses Percentage

AvailableForSaleSecuritiesGrossUnrealizedLossesPercentage

0.03

CY2019Q4

aiz

Available For Sale Securities Continuous Unrealized Loss Position Less Than12 Months Aggregate Losses Percentage

AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAggregateLossesPercentage

0.49

CY2018Q4

aiz

Available For Sale Securities Continuous Unrealized Loss Position Less Than12 Months Aggregate Losses Percentage

AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAggregateLossesPercentage

0.73

CY2019Q4

aiz

Number Of Available For Sale Securities Comprising Gross Unrealized Loss

NumberOfAvailableForSaleSecuritiesComprisingGrossUnrealizedLoss

330

security

CY2018Q4

aiz

Number Of Available For Sale Securities Comprising Gross Unrealized Loss

NumberOfAvailableForSaleSecuritiesComprisingGrossUnrealizedLoss

2642

security

CY2019Q4

aiz

Available For Sale Securities Debt Maturities In Unrealized Loss Position Within One Year Amortized Cost

AvailableForSaleSecuritiesDebtMaturitiesInUnrealizedLossPositionWithinOneYearAmortizedCost

34300000

USD

CY2019Q4

aiz

Available For Sale Securities Debt Maturities In Unrealized Loss Position Within One Year Fair Value

AvailableForSaleSecuritiesDebtMaturitiesInUnrealizedLossPositionWithinOneYearFairValue

34300000

USD

CY2019Q4

aiz

Available For Sale Securities Debt Maturities In Unrealized Loss Position After One Through Five Years Amortized Cost

AvailableForSaleSecuritiesDebtMaturitiesInUnrealizedLossPositionAfterOneThroughFiveYearsAmortizedCost

76300000

USD

CY2019Q4

aiz

Available For Sale Securities Debt Maturities In Unrealized Loss Position After One Through Five Years Fair Value

AvailableForSaleSecuritiesDebtMaturitiesInUnrealizedLossPositionAfterOneThroughFiveYearsFairValue

76000000.0

USD

CY2019Q4

aiz

Available For Sale Securities Debt Maturities In Unrealized Loss Position After Five Through Ten Years Amortized Cost

AvailableForSaleSecuritiesDebtMaturitiesInUnrealizedLossPositionAfterFiveThroughTenYearsAmortizedCost

126500000

USD

CY2019Q4

aiz

Available For Sale Securities Debt Maturities In Unrealized Loss Position After Five Through Ten Years Fair Value

AvailableForSaleSecuritiesDebtMaturitiesInUnrealizedLossPositionAfterFiveThroughTenYearsFairValue

124200000

USD

CY2019Q4

aiz

Available For Sale Securities Debt Maturities In Unrealized Loss Position After Ten Years Amortized Cost

AvailableForSaleSecuritiesDebtMaturitiesInUnrealizedLossPositionAfterTenYearsAmortizedCost

59600000

USD

CY2019Q4

aiz

Available For Sale Securities Debt Maturities In Unrealized Loss Position After Ten Years Fair Value

AvailableForSaleSecuritiesDebtMaturitiesInUnrealizedLossPositionAfterTenYearsFairValue

58300000

USD

CY2019Q4

aiz

Available For Sale Securities Debt Maturities In Unrealized Loss Position Single Maturity Date Amortized Cost Basis

AvailableForSaleSecuritiesDebtMaturitiesInUnrealizedLossPositionSingleMaturityDateAmortizedCostBasis

296700000

USD

CY2019Q4

aiz

Available For Sale Securities Debt Maturities In Unrealized Loss Position Single Maturity Date

AvailableForSaleSecuritiesDebtMaturitiesInUnrealizedLossPositionSingleMaturityDate

292800000

USD

CY2019Q4

aiz

Available For Sale Securities Debt Maturities In Unrealized Loss Position Amortized Cost

AvailableForSaleSecuritiesDebtMaturitiesInUnrealizedLossPositionAmortizedCost

662600000

USD

CY2019Q4

aiz

Available For Sale Securities Debt Securities In Unrealized Loss Position

AvailableForSaleSecuritiesDebtSecuritiesInUnrealizedLossPosition

654200000

USD

CY2019

aiz

Approximate Percentage Outstanding Principal Balance Of Commercial Mortgage Loans

ApproximatePercentageOutstandingPrincipalBalanceOfCommercialMortgageLoans

0.39

CY2019Q4

us-gaap

Loans Receivable Commercial Mortgage

LoansReceivableCommercialMortgage

815600000

USD

CY2017

us-gaap

Deferred Foreign Income Tax Expense Benefit

DeferredForeignIncomeTaxExpenseBenefit

-12900000

USD

CY2019

us-gaap

Deferred Income Tax Expense Benefit

DeferredIncomeTaxExpenseBenefit

89500000

USD

CY2018Q4

us-gaap

Allowance For Loan And Lease Losses Real Estate

AllowanceForLoanAndLeaseLossesRealEstate

400000

USD

CY2018Q4

us-gaap

Mortgage Loans On Real Estate Commercial And Consumer Net

MortgageLoansOnRealEstateCommercialAndConsumerNet

759600000

USD

CY2019

us-gaap

Financing Receivable Allowance For Credit Losses Period Increase Decrease

FinancingReceivableAllowanceForCreditLossesPeriodIncreaseDecrease

200000

USD

CY2019Q4

aiz

Mortgage Loans Unfunded Commitment

MortgageLoansUnfundedCommitment

1800000

USD

CY2019Q4

aiz

Short Term Investments And Fixed Maturities

ShortTermInvestmentsAndFixedMaturities

594200000

USD

CY2018Q4

aiz

Short Term Investments And Fixed Maturities

ShortTermInvestmentsAndFixedMaturities

546500000

USD

CY2019Q4

us-gaap

Variable Interest Entity Entity Maximum Loss Exposure Amount

VariableInterestEntityEntityMaximumLossExposureAmount

235400000

USD

CY2019Q4

us-gaap

Fair Value Investments Entities That Calculate Net Asset Value Per Share Unfunded Committments

FairValueInvestmentsEntitiesThatCalculateNetAssetValuePerShareUnfundedCommittments

27400000

USD

CY2019

us-gaap

Premiums Receivable Note

PremiumsReceivableNote

Premiums and Accounts Receivable <div style="line-height:120%;text-indent:32px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">Receivables are reported net of an allowance for uncollectible amounts. A summary of such receivables is as follows as of the dates indicated:</span></div><div style="line-height:120%;text-indent:32px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div><div style="line-height:120%;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="8"/></tr><tr><td style="width:73%;"/><td style="width:1%;"/><td style="width:11%;"/><td style="width:1%;"/><td style="width:1%;"/><td style="width:1%;"/><td style="width:11%;"/><td style="width:1%;"/></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8pt;"><span style="font-family:inherit;font-size:8pt;"> </span></div></td><td colspan="7" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:center;font-size:8pt;"><span style="font-family:inherit;font-size:8pt;font-weight:bold;">December 31,</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8pt;"><span style="font-family:inherit;font-size:8pt;"> </span></div></td><td colspan="3" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:8pt;"><span style="font-family:inherit;font-size:8pt;font-weight:bold;">2019</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"> </span></div></td><td colspan="3" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:8pt;"><span style="font-family:inherit;font-size:8pt;font-weight:bold;">2018</span></div></td></tr><tr><td style="vertical-align:top;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">Insurance premiums receivable</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><span>1,632.9</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"> </span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><span>1,579.0</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">Other receivables</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><span>75.2</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"> </span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><span>80.6</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:top;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">Allowance for uncollectible amounts</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><span>(15.3</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">)</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"> </span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><span>(16.1</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">)</span></div></td></tr><tr><td style="vertical-align:top;padding-left:28px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">Total</span></div></td><td style="vertical-align:bottom;border-bottom:3px double #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:3px double #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><span>1,692.8</span></span></div></td><td style="vertical-align:bottom;border-bottom:3px double #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"> </span></div></td><td style="vertical-align:bottom;border-bottom:3px double #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:3px double #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><span>1,643.5</span></span></div></td><td style="vertical-align:bottom;border-bottom:3px double #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr></table></div><span style="font-family:inherit;font-size:10pt;"><br/></span></div>

CY2019Q4

us-gaap

Premiums Receivable At Carrying Value

PremiumsReceivableAtCarryingValue

1632900000

USD

CY2018Q4

us-gaap

Premiums Receivable At Carrying Value

PremiumsReceivableAtCarryingValue

1579000000.0

USD

CY2019Q4

us-gaap

Other Receivables

OtherReceivables

75200000

USD

CY2018Q4

us-gaap

Other Receivables

OtherReceivables

80600000

USD

CY2018

us-gaap

Deferred Income Tax Expense Benefit

DeferredIncomeTaxExpenseBenefit

21400000

USD

CY2017

us-gaap

Deferred Income Tax Expense Benefit

DeferredIncomeTaxExpenseBenefit

-4200000

USD

CY2019Q4

us-gaap

Allowance For Doubtful Accounts Premiums And Other Receivables

AllowanceForDoubtfulAccountsPremiumsAndOtherReceivables

15300000

USD

CY2018Q4

us-gaap

Allowance For Doubtful Accounts Premiums And Other Receivables

AllowanceForDoubtfulAccountsPremiumsAndOtherReceivables

16100000

USD

CY2019Q4

us-gaap

Premiums And Other Receivables Net

PremiumsAndOtherReceivablesNet

1692800000

USD

CY2018Q4

us-gaap

Premiums And Other Receivables Net

PremiumsAndOtherReceivablesNet

1643500000

USD

CY2019

us-gaap

Income Loss From Continuing Operations Before Income Taxes Domestic

IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic

523300000

USD

CY2018

us-gaap

Income Loss From Continuing Operations Before Income Taxes Domestic

IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic

215800000

USD

CY2017

us-gaap

Income Loss From Continuing Operations Before Income Taxes Domestic

IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic

336300000

USD

CY2019

us-gaap

Income Loss From Continuing Operations Before Income Taxes Foreign

IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign

31200000

USD

CY2018

us-gaap

Income Loss From Continuing Operations Before Income Taxes Foreign

IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign

117700000

USD

CY2017

us-gaap

Income Loss From Continuing Operations Before Income Taxes Foreign

IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign

108200000

USD

CY2019

us-gaap

Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments

IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments

554500000

USD

CY2018

us-gaap

Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments

IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments

333500000

USD

CY2017

us-gaap

Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments

IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments

444500000

USD

CY2019

us-gaap

Current Federal State And Local Tax Expense Benefit

CurrentFederalStateAndLocalTaxExpenseBenefit

19700000

USD

CY2018

us-gaap

Current Federal State And Local Tax Expense Benefit

CurrentFederalStateAndLocalTaxExpenseBenefit

5700000

USD

CY2017

us-gaap

Current Federal State And Local Tax Expense Benefit

CurrentFederalStateAndLocalTaxExpenseBenefit

-111900000

USD

CY2019

us-gaap

Current Foreign Tax Expense Benefit

CurrentForeignTaxExpenseBenefit

58500000

USD

CY2018

us-gaap

Current Foreign Tax Expense Benefit

CurrentForeignTaxExpenseBenefit

53800000

USD

CY2017

us-gaap

Current Foreign Tax Expense Benefit

CurrentForeignTaxExpenseBenefit

41000000.0

USD

CY2019

us-gaap

Current Income Tax Expense Benefit

CurrentIncomeTaxExpenseBenefit

78200000

USD

CY2018

us-gaap

Current Income Tax Expense Benefit

CurrentIncomeTaxExpenseBenefit

59500000

USD

CY2017

us-gaap

Current Income Tax Expense Benefit

CurrentIncomeTaxExpenseBenefit

-70900000

USD

CY2019

us-gaap

Deferred Federal State And Local Tax Expense Benefit

DeferredFederalStateAndLocalTaxExpenseBenefit

92200000

USD

CY2018

us-gaap

Deferred Federal State And Local Tax Expense Benefit

DeferredFederalStateAndLocalTaxExpenseBenefit

31000000.0

USD

CY2017

us-gaap

Deferred Federal State And Local Tax Expense Benefit

DeferredFederalStateAndLocalTaxExpenseBenefit

8700000

USD

CY2019

us-gaap

Deferred Foreign Income Tax Expense Benefit

DeferredForeignIncomeTaxExpenseBenefit

-2700000

USD

CY2018

us-gaap

Deferred Foreign Income Tax Expense Benefit

DeferredForeignIncomeTaxExpenseBenefit

-9600000

USD

CY2019

us-gaap

Income Tax Expense Benefit

IncomeTaxExpenseBenefit

167700000

USD

CY2018

us-gaap

Income Tax Expense Benefit

IncomeTaxExpenseBenefit

80900000

USD

CY2017

us-gaap

Income Tax Expense Benefit

IncomeTaxExpenseBenefit

-75100000

USD

CY2019

us-gaap

Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate

EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate

0.210

CY2018

us-gaap

Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate

EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate

0.210

CY2017

us-gaap

Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate

EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate

0.350

CY2019

aiz

Effective Income Tax Rate Reconciliation Tax Exempt Interest

EffectiveIncomeTaxRateReconciliationTaxExemptInterest

0.006

CY2018

aiz

Effective Income Tax Rate Reconciliation Tax Exempt Interest

EffectiveIncomeTaxRateReconciliationTaxExemptInterest

0.012

CY2017

aiz

Effective Income Tax Rate Reconciliation Tax Exempt Interest

EffectiveIncomeTaxRateReconciliationTaxExemptInterest

0.023

CY2019

us-gaap

Effective Income Tax Rate Reconciliation Foreign Income Tax Rate Differential

EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential

0.008

CY2018

us-gaap

Effective Income Tax Rate Reconciliation Foreign Income Tax Rate Differential

EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential

0.035

CY2017

us-gaap

Effective Income Tax Rate Reconciliation Foreign Income Tax Rate Differential

EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential

-0.023

CY2019

us-gaap

Effective Income Tax Rate Reconciliation Nondeductible Expense Share Based Compensation Cost

EffectiveIncomeTaxRateReconciliationNondeductibleExpenseShareBasedCompensationCost

0.007

CY2018

us-gaap

Effective Income Tax Rate Reconciliation Nondeductible Expense Share Based Compensation Cost

EffectiveIncomeTaxRateReconciliationNondeductibleExpenseShareBasedCompensationCost

0.009

CY2017

us-gaap

Effective Income Tax Rate Reconciliation Nondeductible Expense Share Based Compensation Cost

EffectiveIncomeTaxRateReconciliationNondeductibleExpenseShareBasedCompensationCost

0.002

CY2019

us-gaap

Effective Income Tax Rate Reconciliation Prior Year Income Taxes

EffectiveIncomeTaxRateReconciliationPriorYearIncomeTaxes

0

CY2018

us-gaap

Effective Income Tax Rate Reconciliation Prior Year Income Taxes

EffectiveIncomeTaxRateReconciliationPriorYearIncomeTaxes

-0.005

CY2017

us-gaap

Effective Income Tax Rate Reconciliation Prior Year Income Taxes

EffectiveIncomeTaxRateReconciliationPriorYearIncomeTaxes

-0.064

CY2019

aiz

Effective Income Tax Rate Reconciliation Tax Cutsand Jobs Actof2017 Percent

EffectiveIncomeTaxRateReconciliationTaxCutsandJobsActof2017Percent

0

CY2018

aiz

Effective Income Tax Rate Reconciliation Tax Cutsand Jobs Actof2017 Percent

EffectiveIncomeTaxRateReconciliationTaxCutsandJobsActof2017Percent

0.005

CY2017

aiz

Effective Income Tax Rate Reconciliation Tax Cutsand Jobs Actof2017 Percent

EffectiveIncomeTaxRateReconciliationTaxCutsandJobsActof2017Percent

0.398

CY2019

us-gaap

Effective Income Tax Rate Reconciliation Change In Deferred Tax Assets Valuation Allowance

EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance

0.087

CY2018

us-gaap

Effective Income Tax Rate Reconciliation Change In Deferred Tax Assets Valuation Allowance

EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance

-0.005

CY2017

us-gaap

Effective Income Tax Rate Reconciliation Change In Deferred Tax Assets Valuation Allowance

EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance

-0.010

CY2019

us-gaap

Effective Income Tax Rate Reconciliation Other Adjustments

EffectiveIncomeTaxRateReconciliationOtherAdjustments

-0.004

CY2018

us-gaap

Effective Income Tax Rate Reconciliation Other Adjustments

EffectiveIncomeTaxRateReconciliationOtherAdjustments

0.006

CY2017

us-gaap

Effective Income Tax Rate Reconciliation Other Adjustments

EffectiveIncomeTaxRateReconciliationOtherAdjustments

-0.003

CY2019

us-gaap

Effective Income Tax Rate Continuing Operations

EffectiveIncomeTaxRateContinuingOperations

0.302

CY2018

us-gaap

Effective Income Tax Rate Continuing Operations

EffectiveIncomeTaxRateContinuingOperations

0.243

CY2017

us-gaap

Effective Income Tax Rate Continuing Operations

EffectiveIncomeTaxRateContinuingOperations

-0.169

CY2018

aiz

Effective Income Tax Rate Reconciliation Tax Benefit Foreign Reorganization

EffectiveIncomeTaxRateReconciliationTaxBenefitForeignReorganization

0.028

CY2017

aiz

Effective Income Tax Rate Reconciliation Tax Benefit Foreign Reorganization

EffectiveIncomeTaxRateReconciliationTaxBenefitForeignReorganization

0.014

CY2017

aiz

Tax Cutsand Jobs Actof2017 Incomplete Accounting Provisional Income Tax Expense Benefit

TaxCutsandJobsActof2017IncompleteAccountingProvisionalIncomeTaxExpenseBenefit

-177000000.0

USD

CY2017

aiz

Effective Income Tax Rate Reconciliation Tax Cutsand Jobs Actof2017 Percent

EffectiveIncomeTaxRateReconciliationTaxCutsandJobsActof2017Percent

0.398

CY2018

aiz

Tax Cutsand Jobs Act Measurement Period Adjustment Income Tax Expense Benefit

TaxCutsandJobsActMeasurementPeriodAdjustmentIncomeTaxExpenseBenefit

1500000

USD

CY2018

aiz

Effective Income Tax Rate Reconciliation Tax Cutsand Jobs Actof2017 Percent

EffectiveIncomeTaxRateReconciliationTaxCutsandJobsActof2017Percent

0.005

CY2018Q4

us-gaap

Unrecognized Tax Benefits

UnrecognizedTaxBenefits

11800000

USD

CY2017Q4

us-gaap

Unrecognized Tax Benefits

UnrecognizedTaxBenefits

6700000

USD

CY2016Q4

us-gaap

Unrecognized Tax Benefits

UnrecognizedTaxBenefits

34200000

USD

CY2019

us-gaap

Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions

UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions

500000

USD

CY2018

us-gaap

Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions

UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions

2500000

USD

CY2017

us-gaap

Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions

UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions

1000000.0

USD

CY2019

us-gaap

Unrecognized Tax Benefits Decreases Resulting From Current Period Tax Positions

UnrecognizedTaxBenefitsDecreasesResultingFromCurrentPeriodTaxPositions

0

USD

CY2018

us-gaap

Unrecognized Tax Benefits Decreases Resulting From Current Period Tax Positions

UnrecognizedTaxBenefitsDecreasesResultingFromCurrentPeriodTaxPositions

0

USD

CY2017

us-gaap

Unrecognized Tax Benefits Decreases Resulting From Current Period Tax Positions

UnrecognizedTaxBenefitsDecreasesResultingFromCurrentPeriodTaxPositions

0

USD

CY2019

us-gaap

Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions

UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions

400000

USD

CY2018

us-gaap

Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions

UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions

4100000

USD

CY2017

us-gaap

Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions

UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions

300000

USD

CY2019

us-gaap

Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions

UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions

200000

USD

CY2018

us-gaap

Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions

UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions

600000

USD

CY2017

us-gaap

Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions

UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions

28200000

USD

CY2019

us-gaap

Unrecognized Tax Benefits Reductions Resulting From Lapse Of Applicable Statute Of Limitations

UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations

0

USD

CY2018

us-gaap

Unrecognized Tax Benefits Reductions Resulting From Lapse Of Applicable Statute Of Limitations

UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations

900000

USD

CY2017

us-gaap

Unrecognized Tax Benefits Reductions Resulting From Lapse Of Applicable Statute Of Limitations

UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations

600000

USD

CY2019Q4

us-gaap

Unrecognized Tax Benefits

UnrecognizedTaxBenefits

12500000

USD

CY2018Q4

us-gaap

Unrecognized Tax Benefits

UnrecognizedTaxBenefits

11800000

USD

CY2017Q4

us-gaap

Unrecognized Tax Benefits

UnrecognizedTaxBenefits

6700000

USD

CY2019Q4

us-gaap

Unrecognized Tax Benefits That Would Impact Effective Tax Rate

UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate

14000000.0

USD

CY2018Q4

us-gaap

Unrecognized Tax Benefits That Would Impact Effective Tax Rate

UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate

13000000.0

USD

CY2017Q4

us-gaap

Unrecognized Tax Benefits That Would Impact Effective Tax Rate

UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate

6800000

USD

CY2019

us-gaap

Unrecognized Tax Benefits Interest On Income Taxes Expense

UnrecognizedTaxBenefitsInterestOnIncomeTaxesExpense

700000

USD

CY2018

us-gaap

Unrecognized Tax Benefits Interest On Income Taxes Expense

UnrecognizedTaxBenefitsInterestOnIncomeTaxesExpense

400000

USD

CY2017

us-gaap

Unrecognized Tax Benefits Interest On Income Taxes Expense

UnrecognizedTaxBenefitsInterestOnIncomeTaxesExpense

100000

USD

CY2019Q4

us-gaap

Unrecognized Tax Benefits Interest On Income Taxes Accrued

UnrecognizedTaxBenefitsInterestOnIncomeTaxesAccrued

800000

USD

CY2018Q4

us-gaap

Unrecognized Tax Benefits Interest On Income Taxes Accrued

UnrecognizedTaxBenefitsInterestOnIncomeTaxesAccrued

500000

USD

CY2017Q4

us-gaap

Unrecognized Tax Benefits Interest On Income Taxes Accrued

UnrecognizedTaxBenefitsInterestOnIncomeTaxesAccrued

200000

USD

CY2019Q4

us-gaap

Unrecognized Tax Benefits Income Tax Penalties Accrued

UnrecognizedTaxBenefitsIncomeTaxPenaltiesAccrued

800000

USD

CY2018Q4

us-gaap

Unrecognized Tax Benefits Income Tax Penalties Accrued

UnrecognizedTaxBenefitsIncomeTaxPenaltiesAccrued

800000

USD

CY2017Q4

us-gaap

Unrecognized Tax Benefits Income Tax Penalties Accrued

UnrecognizedTaxBenefitsIncomeTaxPenaltiesAccrued

0

USD

CY2019Q4

aiz

Deferred Tax Assets Policyholder And Separate Account Reserves

DeferredTaxAssetsPolicyholderAndSeparateAccountReserves

1063500000

USD

CY2018Q4

aiz

Deferred Tax Assets Policyholder And Separate Account Reserves

DeferredTaxAssetsPolicyholderAndSeparateAccountReserves

1301800000

USD

CY2019Q4

us-gaap

Deferred Tax Assets Operating Loss Carryforwards

DeferredTaxAssetsOperatingLossCarryforwards

147000000.0

USD

CY2018Q4

us-gaap

Deferred Tax Assets Operating Loss Carryforwards

DeferredTaxAssetsOperatingLossCarryforwards

192200000

USD

CY2019Q4

us-gaap

Deferred Tax Assets Investments

DeferredTaxAssetsInvestments

57300000

USD

CY2018Q4

us-gaap

Deferred Tax Assets Investments

DeferredTaxAssetsInvestments

53900000

USD

CY2019Q4

us-gaap

Deferred Tax Assets Tax Credit Carryforwards

DeferredTaxAssetsTaxCreditCarryforwards

38000000.0

USD

CY2018Q4

us-gaap

Deferred Tax Assets Tax Credit Carryforwards

DeferredTaxAssetsTaxCreditCarryforwards

36400000

USD

CY2019Q4

us-gaap

Property Plant And Equipment Gross

PropertyPlantAndEquipmentGross

762200000

USD

CY2019Q4

us-gaap

Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Postretirement Benefits

DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPostretirementBenefits

32800000

USD

CY2018Q4

us-gaap

Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Postretirement Benefits

DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPostretirementBenefits

35800000

USD

CY2019Q4

us-gaap

Deferred Tax Assets Tax Deferred Expense Compensation And Benefits

DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefits

31600000

USD

CY2018Q4

us-gaap

Deferred Tax Assets Tax Deferred Expense Compensation And Benefits

DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefits

29700000

USD

CY2019Q4

us-gaap

Deferred Tax Assets Capital Loss Carryforwards

DeferredTaxAssetsCapitalLossCarryforwards

3100000

USD

CY2018Q4

us-gaap

Deferred Tax Assets Capital Loss Carryforwards

DeferredTaxAssetsCapitalLossCarryforwards

23200000

USD

CY2019Q4

us-gaap

Deferred Tax Assets Other

DeferredTaxAssetsOther

123300000

USD

CY2018Q4

us-gaap

Deferred Tax Assets Other

DeferredTaxAssetsOther

37400000

USD

CY2019Q4

us-gaap

Deferred Tax Assets Gross

DeferredTaxAssetsGross

1496600000

USD

CY2018Q4

us-gaap

Deferred Tax Assets Gross

DeferredTaxAssetsGross

1710400000

USD

CY2019Q4

us-gaap

Deferred Tax Assets Valuation Allowance

DeferredTaxAssetsValuationAllowance

76600000

USD

CY2018Q4

us-gaap

Deferred Tax Assets Valuation Allowance

DeferredTaxAssetsValuationAllowance

26400000

USD

CY2019Q4

us-gaap

Deferred Tax Assets Net

DeferredTaxAssetsNet

1420000000.0

USD

CY2018Q4

us-gaap

Deferred Tax Assets Net

DeferredTaxAssetsNet

1684000000.0

USD

CY2019Q4

us-gaap

Deferred Tax Liabilities Deferred Expense Deferred Policy Acquisition Cost

DeferredTaxLiabilitiesDeferredExpenseDeferredPolicyAcquisitionCost

1472000000.0

USD

CY2018Q4

us-gaap

Deferred Tax Liabilities Deferred Expense Deferred Policy Acquisition Cost

DeferredTaxLiabilitiesDeferredExpenseDeferredPolicyAcquisitionCost

1658700000

USD

CY2019Q4

us-gaap

Deferred Tax Liabilities Investments

DeferredTaxLiabilitiesInvestments

274000000.0

USD

CY2018Q4

us-gaap

Deferred Tax Liabilities Investments

DeferredTaxLiabilitiesInvestments

92500000

USD

CY2019Q4

us-gaap

Deferred Tax Liabilities Goodwill And Intangible Assets Intangible Assets

DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets

67500000

USD

CY2018Q4

us-gaap

Deferred Tax Liabilities Goodwill And Intangible Assets Intangible Assets

DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets

76200000

USD

CY2019Q4

us-gaap

Deferred Income Tax Liabilities

DeferredIncomeTaxLiabilities

1813500000

USD

CY2018Q4

us-gaap

Deferred Income Tax Liabilities

DeferredIncomeTaxLiabilities

1827400000

USD

CY2019Q4

us-gaap

Deferred Tax Liabilities

DeferredTaxLiabilities

393500000

USD

CY2018Q4

us-gaap

Deferred Tax Liabilities

DeferredTaxLiabilities

143400000

USD

CY2019Q4

us-gaap

Deferred Tax Assets Valuation Allowance

DeferredTaxAssetsValuationAllowance

76600000

USD

CY2019

us-gaap

Deferred Policy Acquisition Costs Text Block1

DeferredPolicyAcquisitionCostsTextBlock1

Deferred Acquisition Costs<span style="font-family:inherit;font-size:8pt;"> </span><div style="line-height:120%;text-indent:32px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">Information about deferred acquisition costs is as follows as of the dates indicated:</span></div><div style="line-height:120%;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="12"/></tr><tr><td style="width:59%;"/><td style="width:1%;"/><td style="width:11%;"/><td style="width:1%;"/><td style="width:1%;"/><td style="width:1%;"/><td style="width:11%;"/><td style="width:1%;"/><td style="width:1%;"/><td style="width:1%;"/><td style="width:11%;"/><td style="width:1%;"/></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8pt;"><span style="font-family:inherit;font-size:8pt;"> </span></div></td><td colspan="11" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:center;font-size:8pt;"><span style="font-family:inherit;font-size:8pt;font-weight:bold;">December 31,</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8pt;"><span style="font-family:inherit;font-size:8pt;"> </span></div></td><td colspan="3" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:8pt;"><span style="font-family:inherit;font-size:8pt;font-weight:bold;">2019</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"> </span></div></td><td colspan="3" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:8pt;"><span style="font-family:inherit;font-size:8pt;font-weight:bold;">2018</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"> </span></div></td><td colspan="3" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:8pt;"><span style="font-family:inherit;font-size:8pt;font-weight:bold;">2017</span></div></td></tr><tr><td style="vertical-align:top;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">Beginning balance</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><span>5,103.0</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"> </span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><span>3,484.5</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"> </span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><span>3,267.4</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:top;padding-left:28px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">Costs deferred</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><span>3,747.3</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"> </span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><span>3,094.0</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"> </span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><span>1,549.2</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:top;background-color:#cceeff;padding-left:28px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">Amortization</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><span>(2,182.3</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">)</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"> </span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><span>(1,475.5</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">)</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"> </span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><span>(1,332.1</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">)</span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">Ending balance</span></div></td><td style="vertical-align:bottom;border-bottom:3px double #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:3px double #000000;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><span>6,668.0</span></span></div></td><td style="vertical-align:bottom;border-bottom:3px double #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"> </span></div></td><td style="vertical-align:bottom;border-bottom:3px double #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:3px double #000000;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><span>5,103.0</span></span></div></td><td style="vertical-align:bottom;border-bottom:3px double #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"> </span></div></td><td style="vertical-align:bottom;border-bottom:3px double #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:3px double #000000;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><span>3,484.5</span></span></div></td><td style="vertical-align:bottom;border-bottom:3px double #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr></table></div><span style="font-family:inherit;font-size:10pt;"><br/></span></div>

CY2018Q4

us-gaap

Deferred Policy Acquisition Costs

DeferredPolicyAcquisitionCosts

5103000000.0

USD

CY2017Q4

us-gaap

Deferred Policy Acquisition Costs

DeferredPolicyAcquisitionCosts

3484500000

USD

CY2016Q4

us-gaap

Deferred Policy Acquisition Costs

DeferredPolicyAcquisitionCosts

3267400000

USD

CY2019

us-gaap

Deferred Policy Acquisition Costs Additions

DeferredPolicyAcquisitionCostsAdditions

3747300000

USD

CY2018

us-gaap

Deferred Policy Acquisition Costs Additions

DeferredPolicyAcquisitionCostsAdditions

3094000000.0

USD

CY2017

us-gaap

Deferred Policy Acquisition Costs Additions

DeferredPolicyAcquisitionCostsAdditions

1549200000

USD

CY2019

us-gaap

Deferred Policy Acquisition Cost Amortization Expense

DeferredPolicyAcquisitionCostAmortizationExpense

2182300000

USD

CY2018

us-gaap

Deferred Policy Acquisition Cost Amortization Expense

DeferredPolicyAcquisitionCostAmortizationExpense

1475500000

USD

CY2017

us-gaap

Deferred Policy Acquisition Cost Amortization Expense

DeferredPolicyAcquisitionCostAmortizationExpense

1332100000

USD

CY2019Q4

us-gaap

Deferred Policy Acquisition Costs

DeferredPolicyAcquisitionCosts

6668000000.0

USD

CY2018Q4

us-gaap

Deferred Policy Acquisition Costs

DeferredPolicyAcquisitionCosts

5103000000.0

USD

CY2017Q4

us-gaap

Deferred Policy Acquisition Costs

DeferredPolicyAcquisitionCosts

3484500000

USD

CY2019Q4

us-gaap

Land

10900000

USD

CY2018Q4

us-gaap

Land

13200000

USD

CY2019Q4

us-gaap

Buildings And Improvements Gross

BuildingsAndImprovementsGross

238400000

USD

CY2018Q4

us-gaap

Buildings And Improvements Gross

BuildingsAndImprovementsGross

261500000

USD

CY2019Q4

us-gaap

Furniture And Fixtures Gross

FurnitureAndFixturesGross

512900000

USD

CY2018Q4

us-gaap

Furniture And Fixtures Gross

FurnitureAndFixturesGross

491400000

USD

CY2018Q4

us-gaap

Property Plant And Equipment Gross

PropertyPlantAndEquipmentGross

766100000

USD

CY2019Q4

us-gaap

Accumulated Depreciation Depletion And Amortization Property Plant And Equipment

AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment

328500000

USD

CY2018Q4

us-gaap

Accumulated Depreciation Depletion And Amortization Property Plant And Equipment

AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment

373600000

USD

CY2019Q4

us-gaap

Property Plant And Equipment Net

PropertyPlantAndEquipmentNet

433700000

USD

CY2018Q4

us-gaap

Property Plant And Equipment Net

PropertyPlantAndEquipmentNet

392500000

USD

CY2019

us-gaap

Gain Loss On Disposition Of Assets

GainLossOnDispositionOfAssets

-7400000

USD

CY2017

us-gaap

Gain Loss On Disposition Of Assets

GainLossOnDispositionOfAssets

5700000

USD

CY2019

us-gaap

Depreciation

55300000

USD

CY2018

us-gaap

Depreciation

39000000.0

USD

CY2017

us-gaap

Depreciation

34200000

USD

CY2017Q4

us-gaap

Goodwill

917700000

USD

CY2018

us-gaap

Goodwill Acquired During Period

GoodwillAcquiredDuringPeriod

1421100000

USD

CY2018

us-gaap

Goodwill Impairment Loss

GoodwillImpairmentLoss

7200000

USD

CY2018

us-gaap

Goodwill Foreign Currency Translation Gain Loss

GoodwillForeignCurrencyTranslationGainLoss

-9800000

USD

CY2018Q4

us-gaap

Goodwill

2321800000

USD

CY2019

us-gaap

Goodwill Acquired During Period

GoodwillAcquiredDuringPeriod

20200000

USD

CY2019

us-gaap

Goodwill Foreign Currency Translation Gain Loss

GoodwillForeignCurrencyTranslationGainLoss

1400000

USD

CY2019Q4

us-gaap

Goodwill

2343400000

USD

CY2019Q4

us-gaap

Goodwill Impaired Accumulated Impairment Loss

GoodwillImpairedAccumulatedImpairmentLoss

1268100000

USD

CY2017Q4

us-gaap

Goodwill Impaired Accumulated Impairment Loss

GoodwillImpairedAccumulatedImpairmentLoss

1260900000

USD

CY2018Q4

us-gaap

Value Of Business Acquired Voba

ValueOfBusinessAcquiredVOBA

3157800000

USD

CY2017Q4

us-gaap

Value Of Business Acquired Voba

ValueOfBusinessAcquiredVOBA

24400000

USD

CY2016Q4

us-gaap

Value Of Business Acquired Voba

ValueOfBusinessAcquiredVOBA

32100000

USD

CY2019

us-gaap

Present Value Of Future Insurance Profits Additions From Acquisitions

PresentValueOfFutureInsuranceProfitsAdditionsFromAcquisitions

-4000000.0

USD

CY2018

us-gaap

Present Value Of Future Insurance Profits Additions From Acquisitions

PresentValueOfFutureInsuranceProfitsAdditionsFromAcquisitions

3972600000

USD

CY2017

us-gaap

Present Value Of Future Insurance Profits Additions From Acquisitions

PresentValueOfFutureInsuranceProfitsAdditionsFromAcquisitions

0

USD

CY2019

us-gaap

Present Value Of Future Insurance Profits Amortization Expense1

PresentValueOfFutureInsuranceProfitsAmortizationExpense1

1127400000

USD

CY2018

us-gaap

Present Value Of Future Insurance Profits Amortization Expense1

PresentValueOfFutureInsuranceProfitsAmortizationExpense1

825200000

USD

CY2017

us-gaap

Present Value Of Future Insurance Profits Amortization Expense1

PresentValueOfFutureInsuranceProfitsAmortizationExpense1

7900000

USD

CY2019

us-gaap

Present Value Of Future Insurance Profits Foreign Currency Translation Gain Loss

PresentValueOfFutureInsuranceProfitsForeignCurrencyTranslationGainLoss

-22100000

USD

CY2018

us-gaap

Present Value Of Future Insurance Profits Foreign Currency Translation Gain Loss

PresentValueOfFutureInsuranceProfitsForeignCurrencyTranslationGainLoss

-14000000.0

USD

CY2017

us-gaap

Present Value Of Future Insurance Profits Foreign Currency Translation Gain Loss

PresentValueOfFutureInsuranceProfitsForeignCurrencyTranslationGainLoss

200000

USD

CY2019Q4

us-gaap

Value Of Business Acquired Voba

ValueOfBusinessAcquiredVOBA

2004300000

USD

CY2018Q4

us-gaap

Value Of Business Acquired Voba

ValueOfBusinessAcquiredVOBA

3157800000

USD

CY2017Q4

us-gaap

Value Of Business Acquired Voba

ValueOfBusinessAcquiredVOBA

24400000

USD

CY2019Q4

us-gaap

Present Value Of Future Insurance Profits Amortization Expense Year One

PresentValueOfFutureInsuranceProfitsAmortizationExpenseYearOne

801500000

USD

CY2019Q4

us-gaap

Present Value Of Future Insurance Profits Amortization Expense Year Two

PresentValueOfFutureInsuranceProfitsAmortizationExpenseYearTwo

559000000.0

USD

CY2019Q4

us-gaap

Present Value Of Future Insurance Profits Amortization Expense Year Three

PresentValueOfFutureInsuranceProfitsAmortizationExpenseYearThree

344200000

USD

CY2019Q4

us-gaap

Present Value Of Future Insurance Profits Amortization Expense Year Four

PresentValueOfFutureInsuranceProfitsAmortizationExpenseYearFour

200200000

USD

CY2019Q4

us-gaap

Present Value Of Future Insurance Profits Amortization Expense Year Five

PresentValueOfFutureInsuranceProfitsAmortizationExpenseYearFive

90300000

USD

CY2019Q4

aiz

Present Valueof Future Insurance Profits Amortization Expense After Year Five

PresentValueofFutureInsuranceProfitsAmortizationExpenseAfterYearFive

9100000

USD

CY2019Q4

us-gaap

Value Of Business Acquired Voba

ValueOfBusinessAcquiredVOBA

2004300000

USD

CY2019Q4

us-gaap

Intangible Assets Gross Excluding Goodwill

IntangibleAssetsGrossExcludingGoodwill

886600000

USD

CY2019Q4

us-gaap

Finite Lived Intangible Assets Accumulated Amortization

FiniteLivedIntangibleAssetsAccumulatedAmortization

346400000

USD

CY2019Q4

us-gaap

Intangible Assets Net Excluding Goodwill

IntangibleAssetsNetExcludingGoodwill

540200000

USD

CY2018Q4

us-gaap

Intangible Assets Gross Excluding Goodwill

IntangibleAssetsGrossExcludingGoodwill

953500000

USD

CY2018Q4

us-gaap

Finite Lived Intangible Assets Accumulated Amortization

FiniteLivedIntangibleAssetsAccumulatedAmortization

331100000

USD

CY2018Q4

us-gaap

Intangible Assets Net Excluding Goodwill

IntangibleAssetsNetExcludingGoodwill

622400000

USD

CY2019Q4

us-gaap

Indefinite Lived Intangible Assets Excluding Goodwill

IndefiniteLivedIntangibleAssetsExcludingGoodwill

13700000

USD

CY2019

us-gaap

Amortization Of Intangible Assets

AmortizationOfIntangibleAssets

62200000

USD

CY2018

us-gaap

Amortization Of Intangible Assets

AmortizationOfIntangibleAssets

77900000

USD

CY2017

us-gaap

Amortization Of Intangible Assets

AmortizationOfIntangibleAssets

72600000

USD

CY2019Q4

us-gaap

Finite Lived Intangible Assets Amortization Expense Next Twelve Months

FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths

65600000

USD

CY2019Q4

us-gaap

Finite Lived Intangible Assets Amortization Expense Year Two

FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo

60500000

USD

CY2019Q4

us-gaap

Finite Lived Intangible Assets Amortization Expense Year Three

FiniteLivedIntangibleAssetsAmortizationExpenseYearThree

50300000

USD

CY2019Q4

us-gaap

Finite Lived Intangible Assets Amortization Expense Year Four

FiniteLivedIntangibleAssetsAmortizationExpenseYearFour

48100000

USD

CY2019Q4

us-gaap

Finite Lived Intangible Assets Amortization Expense Year Five

FiniteLivedIntangibleAssetsAmortizationExpenseYearFive

41000000.0

USD

CY2019Q4

us-gaap

Finite Lived Intangible Assets Amortization Expense After Year Five

FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive

261000000.0

USD

CY2019Q4

us-gaap

Finite Lived Intangible Assets Net

FiniteLivedIntangibleAssetsNet

526500000

USD

CY2019

us-gaap

Schedule Of Liability For Unpaid Claims And Claims Adjustment Expense

ScheduleOfLiabilityForUnpaidClaimsAndClaimsAdjustmentExpense

<div style="line-height:120%;text-align:center;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;margin-left:auto;margin-right:auto;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="12"/></tr><tr><td style="width:59%;"/><td style="width:1%;"/><td style="width:11%;"/><td style="width:1%;"/><td style="width:1%;"/><td style="width:1%;"/><td style="width:11%;"/><td style="width:1%;"/><td style="width:1%;"/><td style="width:1%;"/><td style="width:11%;"/><td style="width:1%;"/></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"> </span></div></td><td colspan="11" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:center;font-size:8pt;"><span style="font-family:inherit;font-size:8pt;font-weight:bold;">Years Ended December 31,</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"> </span></div></td><td colspan="3" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:8pt;"><span style="font-family:inherit;font-size:8pt;font-weight:bold;">2019</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"> </span></div></td><td colspan="3" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:8pt;"><span style="font-family:inherit;font-size:8pt;font-weight:bold;">2018</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"> </span></div></td><td colspan="3" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:8pt;"><span style="font-family:inherit;font-size:8pt;font-weight:bold;">2017</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">Claims and benefits payable, at beginning of year</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><span>2,813.7</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"> </span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><span>3,782.2</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"> </span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><span>3,301.2</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">Less: Reinsurance ceded and other</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><span>(2,053.7</span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">)</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"> </span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><span>(3,193.3</span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">)</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"> </span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><span>(2,718.2</span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">)</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">Net claims and benefits payable, at beginning of year</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><span>760.0</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"> </span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><span>588.9</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"> </span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><span>583.0</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">Acquired reserves as of Acquisition Date (1)</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><span>—</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"> </span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><span>140.7</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"> </span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><span>—</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">Incurred losses and loss adjustment expenses related to:</span></div></td><td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"> </span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"> </span></div></td><td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"> </span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"> </span></div></td><td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"> </span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:28px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">Current year</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><span>2,670.9</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"> </span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><span>2,353.0</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"> </span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><span>1,965.0</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:28px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">Prior years</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><span>(16.2</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">)</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"> </span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><span>(7.4</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">)</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"> </span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><span>(58.5</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">)</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">Total incurred losses and loss adjustment expenses</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><span>2,654.7</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"> </span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><span>2,345.6</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"> </span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><span>1,906.5</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">Paid losses and loss adjustment expenses related to:</span></div></td><td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"> </span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"> </span></div></td><td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"> </span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"> </span></div></td><td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"> </span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:28px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">Current year</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><span>2,097.8</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"> </span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><span>1,887.1</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"> </span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><span>1,536.4</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:28px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">Prior years</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><span>529.2</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"> </span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><span>428.1</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"> </span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><span>364.2</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">Total paid losses and loss adjustment expenses</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><span>2,627.0</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"> </span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><span>2,315.2</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"> </span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><span>1,900.6</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">Net claims and benefits payable, at end of year</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><span>787.7</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"> </span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><span>760.0</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"> </span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><span>588.9</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">Plus: Reinsurance ceded and other (2)</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><span>1,900.0</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"> </span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><span>2,053.7</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"> </span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><span>3,193.3</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">Claims and benefits payable, at end of year (2) (3)</span></div></td><td style="vertical-align:bottom;border-bottom:3px double #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:3px double #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><span>2,687.7</span></span></div></td><td style="vertical-align:bottom;border-bottom:3px double #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"> </span></div></td><td style="vertical-align:bottom;border-bottom:3px double #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:3px double #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><span>2,813.7</span></span></div></td><td style="vertical-align:bottom;border-bottom:3px double #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"> </span></div></td><td style="vertical-align:bottom;border-bottom:3px double #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:3px double #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><span>3,782.2</span></span></div></td><td style="vertical-align:bottom;border-bottom:3px double #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr></table></div><span style="font-family:inherit;font-size:10pt;"><br/></span></div><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman; font-size:10pt;"><tr><td style="width:24px;"/><td/></tr><tr><td style="vertical-align:top"><div style="line-height:120%;font-size:8pt;padding-left:0px;"><span style="font-family:inherit;font-size:8pt;">(1)</span></div></td><td style="vertical-align:top;"><div style="line-height:120%;text-align:left;font-size:8pt;"><span style="font-family:inherit;font-size:8pt;">Acquired reserves from TWG on Acquisition Date include </span><span style="font-family:inherit;font-size:8pt;"><span>$419.9 million</span></span><span style="font-family:inherit;font-size:8pt;"> of gross claims and benefits payable and </span><span style="font-family:inherit;font-size:8pt;"><span>$279.2 million</span></span><span style="font-family:inherit;font-size:8pt;"> of ceded claims and benefits payable. The reserve roll forward includes the activity of TWG for the relevant periods since the Acquisition Date. </span></div></td></tr></table><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman; font-size:10pt;"><tr><td style="width:24px;"/><td/></tr><tr><td style="vertical-align:top"><div style="line-height:120%;font-size:8pt;padding-left:0px;"><span style="font-family:inherit;font-size:8pt;">(2)</span></div></td><td style="vertical-align:top;"><div style="line-height:120%;text-align:left;font-size:8pt;"><span style="font-family:inherit;font-size:8pt;">Includes reinsurance recoverables and claims and benefits payable of </span><span style="font-family:inherit;font-size:8pt;"><span>$86.8 million</span></span><span style="font-family:inherit;font-size:8pt;">, </span><span style="font-family:inherit;font-size:8pt;"><span>$119.8 million</span></span><span style="font-family:inherit;font-size:8pt;"> and </span><span style="font-family:inherit;font-size:8pt;"><span>$555.0 million</span></span><span style="font-family:inherit;font-size:8pt;"> as of December 31, 2019, 2018 and 2017, respectively, which was ceded to the U.S. government. The Company acts as an administrator for the U.S. government under the voluntary National Flood Insurance Program.</span></div></td></tr></table><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman; font-size:10pt;"><tr><td style="width:24px;"/><td/></tr><tr><td style="vertical-align:top"><div style="line-height:120%;font-size:8pt;padding-left:0px;"><span style="font-family:inherit;font-size:8pt;">(3)</span></div></td><td style="vertical-align:top;"><div style="line-height:120%;text-align:left;font-size:8pt;"><span style="font-family:inherit;font-size:8pt;">Claims and benefits payable and related reinsurance ceded were reduced by </span><span style="font-family:inherit;font-size:8pt;"><span>$730.0 million</span></span><span style="font-family:inherit;font-size:8pt;"> in December 2018 as a result of the sale of Time Insurance Company, a legal entity associated with the previously exited Assurant Health business.</span></div></td></tr></table><div style="line-height:120%;text-align:left;padding-left:24px;font-size:8pt;"><span style="font-family:inherit;font-size:8pt;"><br/></span></div><div style="line-height:120%;padding-bottom:8px;text-align:left;text-indent:30px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">The Company experienced net favorable prior year development in each of the years ended December 31, 2019, 2018 and 2017. A comparison of net (favorable) unfavorable prior year development is shown below across the Company’s current and former segments and businesses. </span></div><div style="line-height:120%;text-align:center;text-indent:0px;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;margin-left:auto;margin-right:auto;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="12"/></tr><tr><td style="width:47%;"/><td style="width:1%;"/><td style="width:15%;"/><td style="width:1%;"/><td style="width:1%;"/><td style="width:1%;"/><td style="width:15%;"/><td style="width:1%;"/><td style="width:1%;"/><td style="width:1%;"/><td style="width:15%;"/><td style="width:1%;"/></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"> </span></div></td><td colspan="11" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:center;font-size:8pt;"><span style="font-family:inherit;font-size:8pt;font-weight:bold;">Prior Year Incurred Loss Development for the Years Ending December 31,</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"> </span></div></td><td colspan="3" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:8pt;"><span style="font-family:inherit;font-size:8pt;font-weight:bold;">2019</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"> </span></div></td><td colspan="3" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:8pt;"><span style="font-family:inherit;font-size:8pt;font-weight:bold;">2018</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"> </span></div></td><td colspan="3" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:8pt;"><span style="font-family:inherit;font-size:8pt;font-weight:bold;">2017</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">Global Lifestyle (excluding TWG)</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><span>(18.8</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">)</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"> </span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><span>(17.0</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">)</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"> </span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><span>(30.0</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">)</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">TWG (1)</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><span>(5.2</span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">)</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"> </span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><span>0.4</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"> </span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><span>—</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">Global Housing</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><span>13.6</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"> </span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><span>16.3</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"> </span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><span>(9.6</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">)</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">Global Preneed</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><span>(0.3</span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">)</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"> </span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><span>(0.5</span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">)</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"> </span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><span>(0.6</span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">)</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">Assurant Health</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><span>—</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"> </span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><span>(1.3</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">)</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"> </span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><span>(8.8</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">)</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">All Other</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><span>(5.5</span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">)</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"> </span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><span>(5.3</span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">)</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"> </span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><span>(9.5</span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">)</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:28px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">Total</span></div></td><td style="vertical-align:bottom;border-bottom:3px double #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:3px double #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><span>(16.2</span></span></div></td><td style="vertical-align:bottom;border-bottom:3px double #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">)</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"> </span></div></td><td style="vertical-align:bottom;border-bottom:3px double #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:3px double #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><span>(7.4</span></span></div></td><td style="vertical-align:bottom;border-bottom:3px double #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">)</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"> </span></div></td><td style="vertical-align:bottom;border-bottom:3px double #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:3px double #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><span>(58.5</span></span></div></td><td style="vertical-align:bottom;border-bottom:3px double #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">)</span></div></td></tr></table></div><span style="font-family:inherit;font-size:10pt;"><br/></span></div><div style="line-height:120%;font-size:8pt;padding-left:0px;"><span style="font-family:inherit;font-size:8pt;">(1)</span></div><div style="line-height:120%;text-align:left;font-size:8pt;"><span style="font-family:inherit;font-size:8pt;">TWG continues to be shown separate from the rest of Global Lifestyle in this presentation and in the claims development claims supplemental information below to enhance comparability across years. </span></div>

CY2018Q4

us-gaap

Liability For Claims And Claims Adjustment Expense

LiabilityForClaimsAndClaimsAdjustmentExpense

2813700000

USD

CY2017Q4

us-gaap

Liability For Claims And Claims Adjustment Expense

LiabilityForClaimsAndClaimsAdjustmentExpense

3782200000

USD

CY2016Q4

us-gaap

Liability For Claims And Claims Adjustment Expense

LiabilityForClaimsAndClaimsAdjustmentExpense

3301200000

USD

CY2018Q4

aiz

Reinsurance Cededand Othercasereservesand Ibnr

ReinsuranceCededandOthercasereservesandIBNR

2053700000

USD

CY2017Q4

aiz

Reinsurance Cededand Othercasereservesand Ibnr

ReinsuranceCededandOthercasereservesandIBNR

3193300000

USD

CY2016Q4

aiz

Reinsurance Cededand Othercasereservesand Ibnr

ReinsuranceCededandOthercasereservesandIBNR

2718200000

USD

CY2018Q4

us-gaap

Liability For Unpaid Claims And Claims Adjustment Expense Net

LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseNet

760000000.0

USD

CY2017Q4

us-gaap

Liability For Unpaid Claims And Claims Adjustment Expense Net

LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseNet

588900000

USD

CY2016Q4

us-gaap

Liability For Unpaid Claims And Claims Adjustment Expense Net

LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseNet

583000000.0

USD

CY2019Q4

us-gaap

Liability For Future Policy Benefits And Unpaid Claims And Claims Adjustment Expense

LiabilityForFuturePolicyBenefitsAndUnpaidClaimsAndClaimsAdjustmentExpense

0

USD

CY2018Q4

us-gaap

Liability For Future Policy Benefits And Unpaid Claims And Claims Adjustment Expense

LiabilityForFuturePolicyBenefitsAndUnpaidClaimsAndClaimsAdjustmentExpense

140700000

USD

CY2017Q4

us-gaap

Liability For Future Policy Benefits And Unpaid Claims And Claims Adjustment Expense

LiabilityForFuturePolicyBenefitsAndUnpaidClaimsAndClaimsAdjustmentExpense

0

USD

CY2019

us-gaap

Supplemental Information For Property Casualty Insurance Underwriters Current Year Claims And Claims Adjustment Expense

SupplementalInformationForPropertyCasualtyInsuranceUnderwritersCurrentYearClaimsAndClaimsAdjustmentExpense

2670900000

USD

CY2018

us-gaap

Supplemental Information For Property Casualty Insurance Underwriters Current Year Claims And Claims Adjustment Expense

SupplementalInformationForPropertyCasualtyInsuranceUnderwritersCurrentYearClaimsAndClaimsAdjustmentExpense

2353000000.0

USD

CY2017

us-gaap

Supplemental Information For Property Casualty Insurance Underwriters Current Year Claims And Claims Adjustment Expense

SupplementalInformationForPropertyCasualtyInsuranceUnderwritersCurrentYearClaimsAndClaimsAdjustmentExpense

1965000000.0

USD

CY2019

us-gaap

Supplemental Information For Property Casualty Insurance Underwriters Prior Year Claims And Claims Adjustment Expense

SupplementalInformationForPropertyCasualtyInsuranceUnderwritersPriorYearClaimsAndClaimsAdjustmentExpense

-16200000

USD

CY2018

us-gaap

Supplemental Information For Property Casualty Insurance Underwriters Prior Year Claims And Claims Adjustment Expense

SupplementalInformationForPropertyCasualtyInsuranceUnderwritersPriorYearClaimsAndClaimsAdjustmentExpense

-7400000

USD

CY2017

us-gaap

Supplemental Information For Property Casualty Insurance Underwriters Prior Year Claims And Claims Adjustment Expense

SupplementalInformationForPropertyCasualtyInsuranceUnderwritersPriorYearClaimsAndClaimsAdjustmentExpense

-58500000

USD

CY2019

us-gaap

Liability For Unpaid Claims And Claims Adjustment Expense Incurred Claims1

LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseIncurredClaims1

2654700000

USD

CY2018

us-gaap

Liability For Unpaid Claims And Claims Adjustment Expense Incurred Claims1

LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseIncurredClaims1

2345600000

USD

CY2017

us-gaap

Liability For Unpaid Claims And Claims Adjustment Expense Incurred Claims1

LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseIncurredClaims1

1906500000

USD

CY2019

us-gaap

Liability For Unpaid Claims And Claims Adjustment Expense Claims Paid Current Year1

LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseClaimsPaidCurrentYear1

2097800000

USD

CY2018

us-gaap

Liability For Unpaid Claims And Claims Adjustment Expense Claims Paid Current Year1

LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseClaimsPaidCurrentYear1

1887100000

USD

CY2017

us-gaap

Liability For Unpaid Claims And Claims Adjustment Expense Claims Paid Current Year1

LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseClaimsPaidCurrentYear1

1536400000

USD

CY2019

us-gaap

Liability For Unpaid Claims And Claims Adjustment Expense Claims Paid Prior Years1

LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseClaimsPaidPriorYears1

529200000

USD

CY2018

us-gaap

Liability For Unpaid Claims And Claims Adjustment Expense Claims Paid Prior Years1

LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseClaimsPaidPriorYears1

428100000

USD

CY2017

us-gaap

Liability For Unpaid Claims And Claims Adjustment Expense Claims Paid Prior Years1

LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseClaimsPaidPriorYears1

364200000

USD

CY2019

us-gaap

Payments For Losses And Loss Adjustment Expense

PaymentsForLossesAndLossAdjustmentExpense

2627000000.0

USD

CY2018

us-gaap

Payments For Losses And Loss Adjustment Expense

PaymentsForLossesAndLossAdjustmentExpense

2315200000

USD

CY2017

us-gaap

Payments For Losses And Loss Adjustment Expense

PaymentsForLossesAndLossAdjustmentExpense

1900600000

USD

CY2019Q4

us-gaap

Liability For Unpaid Claims And Claims Adjustment Expense Net

LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseNet

787700000

USD

CY2018Q4

us-gaap

Liability For Unpaid Claims And Claims Adjustment Expense Net

LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseNet

760000000.0

USD

CY2017Q4

us-gaap

Liability For Unpaid Claims And Claims Adjustment Expense Net

LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseNet

588900000

USD

CY2019Q4

aiz

Reinsurance Cededand Othercasereservesand Ibnr

ReinsuranceCededandOthercasereservesandIBNR

1900000000.0

USD

CY2018Q4

aiz

Reinsurance Cededand Othercasereservesand Ibnr

ReinsuranceCededandOthercasereservesandIBNR

2053700000

USD

CY2017Q4

aiz

Reinsurance Cededand Othercasereservesand Ibnr

ReinsuranceCededandOthercasereservesandIBNR

3193300000

USD

CY2019Q4

us-gaap

Liability For Claims And Claims Adjustment Expense

LiabilityForClaimsAndClaimsAdjustmentExpense

2687700000

USD

CY2018Q4

us-gaap

Liability For Claims And Claims Adjustment Expense

LiabilityForClaimsAndClaimsAdjustmentExpense

2813700000

USD

CY2017Q4

us-gaap

Liability For Claims And Claims Adjustment Expense

LiabilityForClaimsAndClaimsAdjustmentExpense

3782200000

USD

CY2019

us-gaap

Supplemental Information For Property Casualty Insurance Underwriters Prior Year Claims And Claims Adjustment Expense

SupplementalInformationForPropertyCasualtyInsuranceUnderwritersPriorYearClaimsAndClaimsAdjustmentExpense

-16200000

USD

CY2018

us-gaap

Supplemental Information For Property Casualty Insurance Underwriters Prior Year Claims And Claims Adjustment Expense

SupplementalInformationForPropertyCasualtyInsuranceUnderwritersPriorYearClaimsAndClaimsAdjustmentExpense

-7400000

USD

CY2017

us-gaap

Supplemental Information For Property Casualty Insurance Underwriters Prior Year Claims And Claims Adjustment Expense

SupplementalInformationForPropertyCasualtyInsuranceUnderwritersPriorYearClaimsAndClaimsAdjustmentExpense

-58500000

USD

CY2019Q4

us-gaap

Shortduration Insurance Contracts Liability For Unpaid Claims And Allocated Claim Adjustment Expense Net

ShortdurationInsuranceContractsLiabilityForUnpaidClaimsAndAllocatedClaimAdjustmentExpenseNet

749500000

USD

CY2019Q4

us-gaap

Reinsurance Recoverable For Unpaid Claims And Claims Adjustments

ReinsuranceRecoverableForUnpaidClaimsAndClaimsAdjustments

1191400000

USD

CY2019Q4

us-gaap

Shortduration Insurance Contracts Liability For Unpaid Claims And Claims Adjustment Expense Accumulated Unallocated Claim Adjustment Expense

ShortdurationInsuranceContractsLiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseAccumulatedUnallocatedClaimAdjustmentExpense

8600000

USD

CY2019Q4

us-gaap

Liability For Claims And Claims Adjustment Expense

LiabilityForClaimsAndClaimsAdjustmentExpense

2687700000

USD

CY2019Q4

us-gaap

Reinsurance Recoverables

ReinsuranceRecoverables

9593400000

USD

CY2018Q4

us-gaap

Reinsurance Recoverables

ReinsuranceRecoverables

9166000000.0

USD

CY2019Q4

us-gaap

Reinsurance Recoverables Gross

ReinsuranceRecoverablesGross

9596200000

USD

CY2019Q4

us-gaap

Reinsurance Recoverables Allowance

ReinsuranceRecoverablesAllowance

2800000

USD

CY2019Q4

us-gaap

Reinsurance Recoverables

ReinsuranceRecoverables

9593400000

USD

CY2019Q4

us-gaap

Reinsurance Recoverables Allowance

ReinsuranceRecoverablesAllowance

2800000

USD

CY2018Q4

us-gaap

Reinsurance Recoverables Allowance

ReinsuranceRecoverablesAllowance

300000

USD

CY2019

aiz

Reinsurance Recoverable Allowancefor Credit Loss Period Increase Decrease

ReinsuranceRecoverableAllowanceforCreditLossPeriodIncreaseDecrease

2500000

USD

CY2018

aiz

Reinsurance Recoverable Allowancefor Credit Loss Period Increase Decrease

ReinsuranceRecoverableAllowanceforCreditLossPeriodIncreaseDecrease

0

USD

CY2019

us-gaap

Direct Premiums Earned

DirectPremiumsEarned

14437300000

USD

CY2018

us-gaap

Direct Premiums Earned

DirectPremiumsEarned

11703800000

USD

CY2017

us-gaap

Direct Premiums Earned

DirectPremiumsEarned

9530800000

USD

CY2019

us-gaap

Assumed Premiums Earned

AssumedPremiumsEarned

216800000

USD

CY2018

us-gaap

Assumed Premiums Earned

AssumedPremiumsEarned

153300000

USD

CY2017

us-gaap

Assumed Premiums Earned

AssumedPremiumsEarned

153900000

USD

CY2019

us-gaap

Ceded Premiums Earned

CededPremiumsEarned

6634100000

USD

CY2019

us-gaap

Reclassification From Accumulated Other Comprehensive Income Current Period Net Of Tax

ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax

11300000

USD

CY2018

us-gaap

Ceded Premiums Earned

CededPremiumsEarned

5700200000

USD

CY2017

us-gaap

Ceded Premiums Earned

CededPremiumsEarned

5280600000

USD

CY2019

us-gaap

Premiums Earned Net

PremiumsEarnedNet

8020000000.0

USD

CY2018

us-gaap

Premiums Earned Net

PremiumsEarnedNet

6156900000

USD

CY2017

us-gaap

Premiums Earned Net

PremiumsEarnedNet

4404100000

USD

CY2019

us-gaap

Policyholder Benefits And Claims Incurred Gross

PolicyholderBenefitsAndClaimsIncurredGross

6395600000

USD

CY2018

us-gaap

Policyholder Benefits And Claims Incurred Gross

PolicyholderBenefitsAndClaimsIncurredGross

6302900000

USD

CY2017

us-gaap

Policyholder Benefits And Claims Incurred Gross

PolicyholderBenefitsAndClaimsIncurredGross

6439500000

USD

CY2019

us-gaap

Reinsurance Effect On Claims And Benefits Incurred Amount Assumed

ReinsuranceEffectOnClaimsAndBenefitsIncurredAmountAssumed

226500000

USD

CY2018

us-gaap

Reinsurance Effect On Claims And Benefits Incurred Amount Assumed

ReinsuranceEffectOnClaimsAndBenefitsIncurredAmountAssumed

108800000

USD

CY2017

us-gaap

Reinsurance Effect On Claims And Benefits Incurred Amount Assumed

ReinsuranceEffectOnClaimsAndBenefitsIncurredAmountAssumed

228100000

USD

CY2019

us-gaap

Reinsurance Effect On Claims And Benefits Incurred Amount Ceded

ReinsuranceEffectOnClaimsAndBenefitsIncurredAmountCeded

3967400000

USD

CY2018

us-gaap

Reinsurance Effect On Claims And Benefits Incurred Amount Ceded

ReinsuranceEffectOnClaimsAndBenefitsIncurredAmountCeded

4069100000

USD

CY2017

us-gaap

Reinsurance Effect On Claims And Benefits Incurred Amount Ceded

ReinsuranceEffectOnClaimsAndBenefitsIncurredAmountCeded

4797000000.0

USD

CY2019

us-gaap

Policyholder Benefits And Claims Incurred Net

PolicyholderBenefitsAndClaimsIncurredNet

2654700000

USD

CY2018

us-gaap

Policyholder Benefits And Claims Incurred Net

PolicyholderBenefitsAndClaimsIncurredNet

2342600000

USD

CY2017

us-gaap

Policyholder Benefits And Claims Incurred Net

PolicyholderBenefitsAndClaimsIncurredNet

1870600000

USD

CY2019Q4

us-gaap

Assets Held In Trust

AssetsHeldInTrust

534400000

USD

CY2018Q4

us-gaap

Assets Held In Trust

AssetsHeldInTrust

553500000

USD

CY2019Q4

us-gaap

Long Term Debt

LongTermDebt

2006900000

USD

CY2018Q4

us-gaap

Long Term Debt

LongTermDebt

2006000000.0

USD

CY2019

us-gaap

Interest Expense

InterestExpense

110600000

USD

CY2018

us-gaap

Interest Expense

InterestExpense

100300000

USD

CY2017

us-gaap

Interest Expense

InterestExpense

49500000

USD

CY2019Q4

us-gaap

Interest Payable Current And Noncurrent

InterestPayableCurrentAndNoncurrent

30200000

USD

CY2018Q4

us-gaap

Interest Payable Current And Noncurrent

InterestPayableCurrentAndNoncurrent

28200000

USD

CY2019

us-gaap

Gains Losses On Extinguishment Of Debt

GainsLossesOnExtinguishmentOfDebt

-31400000

USD

CY2019

us-gaap

Gains Losses On Extinguishment Of Debt

GainsLossesOnExtinguishmentOfDebt

-31400000

USD

CY2019

us-gaap

Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Reclassification Before Tax

OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationBeforeTax

3000000.0

USD

CY2018

us-gaap

Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Reclassification Before Tax

OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationBeforeTax

2200000

USD

CY2018Q4

us-gaap

Common Stock Shares Outstanding

CommonStockSharesOutstanding

61908979

shares

CY2017Q4

us-gaap

Common Stock Shares Outstanding

CommonStockSharesOutstanding

52417812

shares

CY2016Q4

us-gaap

Common Stock Shares Outstanding

CommonStockSharesOutstanding

55941480

shares

CY2019

us-gaap

Stock Issued During Period Shares Acquisitions

StockIssuedDuringPeriodSharesAcquisitions

0

shares

CY2018

us-gaap

Stock Issued During Period Shares Acquisitions

StockIssuedDuringPeriodSharesAcquisitions

10399862

shares

CY2017

us-gaap

Stock Issued During Period Shares Acquisitions

StockIssuedDuringPeriodSharesAcquisitions

0

shares

CY2019

us-gaap

Stock Issued During Period Shares Restricted Stock Award Net Of Forfeitures

StockIssuedDuringPeriodSharesRestrictedStockAwardNetOfForfeitures

248333

shares

CY2018

us-gaap

Stock Issued During Period Shares Restricted Stock Award Net Of Forfeitures

StockIssuedDuringPeriodSharesRestrictedStockAwardNetOfForfeitures

170426

shares

CY2017

us-gaap

Stock Issued During Period Shares Restricted Stock Award Net Of Forfeitures

StockIssuedDuringPeriodSharesRestrictedStockAwardNetOfForfeitures

185890

shares

CY2019

us-gaap

Stock Issued During Period Shares Share Based Compensation

StockIssuedDuringPeriodSharesShareBasedCompensation

117581

shares

CY2018

us-gaap

Stock Issued During Period Shares Share Based Compensation

StockIssuedDuringPeriodSharesShareBasedCompensation

110137

shares

CY2017

us-gaap

Stock Issued During Period Shares Share Based Compensation

StockIssuedDuringPeriodSharesShareBasedCompensation

138337

shares

CY2019

us-gaap

Stock Issued During Period Shares Employee Stock Purchase Plans

StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans

88498

shares

CY2018

us-gaap

Stock Issued During Period Shares Employee Stock Purchase Plans

StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans

80425

shares

CY2017

us-gaap

Stock Issued During Period Shares Employee Stock Purchase Plans

StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans

85314

shares

CY2019

us-gaap

Treasury Stock Shares Acquired

TreasuryStockSharesAcquired

2417498

shares

CY2018

us-gaap

Treasury Stock Shares Acquired

TreasuryStockSharesAcquired

1269683

shares

CY2017

us-gaap

Treasury Stock Shares Acquired

TreasuryStockSharesAcquired

3933209

shares

CY2019Q4

us-gaap

Common Stock Shares Outstanding

CommonStockSharesOutstanding

59945893

shares

CY2018Q4

us-gaap

Common Stock Shares Outstanding

CommonStockSharesOutstanding

61908979

shares

CY2017Q4

us-gaap

Common Stock Shares Outstanding

CommonStockSharesOutstanding

52417812

shares

CY2019Q4

us-gaap

Common Stock Shares Authorized

CommonStockSharesAuthorized

800000000

shares

CY2018Q4

us-gaap

Stock Repurchase Program Authorized Amount1

StockRepurchaseProgramAuthorizedAmount1

600000000.0

USD

CY2019

us-gaap

Treasury Stock Shares Acquired

TreasuryStockSharesAcquired

2417498

shares

CY2019

us-gaap

Stock Repurchased During Period Value

StockRepurchasedDuringPeriodValue

274900000

USD

CY2019Q4

us-gaap

Stock Repurchase Program Remaining Authorized Repurchase Amount1

StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1

486300000

USD

CY2018

us-gaap

Treasury Stock Shares Acquired

TreasuryStockSharesAcquired

1269683

shares

CY2017

us-gaap

Treasury Stock Shares Acquired

TreasuryStockSharesAcquired

3933209

shares

CY2018

us-gaap

Stock Repurchased During Period Value

StockRepurchasedDuringPeriodValue

132300000

USD

CY2017

us-gaap

Stock Repurchased During Period Value

StockRepurchasedDuringPeriodValue

389500000

USD

CY2019

us-gaap

Dividends Preferred Stock Cash

DividendsPreferredStockCash

18700000

USD

CY2018

us-gaap

Dividends Preferred Stock Cash

DividendsPreferredStockCash

14200000

USD

CY2019

aiz

Forfeiture Rate

ForfeitureRate

0.05

CY2019

us-gaap

Other Comprehensive Income Loss Before Reclassifications Net Of Tax

OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax

578200000

USD

CY2019

us-gaap

Other Comprehensive Income Loss Net Of Tax

OtherComprehensiveIncomeLossNetOfTax

566900000

USD

CY2018

us-gaap

Other Comprehensive Income Loss Before Reclassifications Net Of Tax

OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax

-463600000

USD

CY2018

us-gaap

Reclassification From Accumulated Other Comprehensive Income Current Period Net Of Tax

ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax

-26100000

USD

CY2018

us-gaap

Other Comprehensive Income Loss Net Of Tax

OtherComprehensiveIncomeLossNetOfTax

-437500000

USD

CY2017

us-gaap

Other Comprehensive Income Loss Before Reclassifications Net Of Tax

OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax

156000000.0

USD

CY2017

us-gaap

Reclassification From Accumulated Other Comprehensive Income Current Period Net Of Tax

ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax

16600000

USD

CY2017

us-gaap

Other Comprehensive Income Loss Net Of Tax

OtherComprehensiveIncomeLossNetOfTax

139400000

USD

CY2019

us-gaap

Statutory Accounting Practices Statutory Net Income Amount

StatutoryAccountingPracticesStatutoryNetIncomeAmount

418000000.0

USD

CY2018

us-gaap

Statutory Accounting Practices Statutory Net Income Amount

StatutoryAccountingPracticesStatutoryNetIncomeAmount

391500000

USD

CY2017

us-gaap

Statutory Accounting Practices Statutory Net Income Amount

StatutoryAccountingPracticesStatutoryNetIncomeAmount

481800000

USD

CY2019Q4

us-gaap

Statutory Accounting Practices Statutory Capital And Surplus Balance

StatutoryAccountingPracticesStatutoryCapitalAndSurplusBalance

2028900000

USD

CY2018Q4

us-gaap

Statutory Accounting Practices Statutory Capital And Surplus Balance

StatutoryAccountingPracticesStatutoryCapitalAndSurplusBalance

2033900000

USD

CY2019

aiz

Statutory Accounting Practices Statutory Surplus Percentage

StatutoryAccountingPracticesStatutorySurplusPercentage

0.10

CY2019Q4

us-gaap

Statutory Accounting Practices Statutory Amount Available For Dividend Payments Without Regulatory Approval

StatutoryAccountingPracticesStatutoryAmountAvailableForDividendPaymentsWithoutRegulatoryApproval

423700000

USD

CY2019

aiz

Statutory Accounting Practices Risk Based Capital Requirements Authorized Control Level

StatutoryAccountingPracticesRiskBasedCapitalRequirementsAuthorizedControlLevel

1

CY2019

aiz

Percentage Of Pension Plan Deficit Added To Amount Of Service Cost

PercentageOfPensionPlanDeficitAddedToAmountOfServiceCost

0.15

CY2019

us-gaap

Pension Contributions

PensionContributions

0

USD

CY2019Q4

us-gaap

Defined Benefit Plan Expected Future Employer Contributions Next Fiscal Year

DefinedBenefitPlanExpectedFutureEmployerContributionsNextFiscalYear

0

USD

CY2019

aiz

Numberofbondsinyieldcurvethatisutilizedinthecashflowanalysisforthepensionplan

210

security

CY2019

aiz

Defined Benefit Plan Actual Return On Plan Assets Percentage

DefinedBenefitPlanActualReturnOnPlanAssetsPercentage

0.163

CY2018

aiz

Defined Benefit Plan Actual Return On Plan Assets Percentage

DefinedBenefitPlanActualReturnOnPlanAssetsPercentage

-0.040

CY2017

aiz

Defined Benefit Plan Actual Return On Plan Assets Percentage

DefinedBenefitPlanActualReturnOnPlanAssetsPercentage

0.111

CY2019

us-gaap

Defined Contribution Plan Cost Recognized

DefinedContributionPlanCostRecognized

38400000

USD

CY2018

us-gaap

Defined Contribution Plan Cost Recognized

DefinedContributionPlanCostRecognized

36900000

USD

CY2017

us-gaap

Defined Contribution Plan Cost Recognized

DefinedContributionPlanCostRecognized

37000000.0

USD

CY2019

us-gaap

Net Income Loss

NetIncomeLoss

382600000

USD

CY2018

us-gaap

Net Income Loss

NetIncomeLoss

251000000.0

USD

CY2017

us-gaap

Net Income Loss

NetIncomeLoss

519600000

USD

CY2019

us-gaap

Preferred Stock Dividends And Other Adjustments

PreferredStockDividendsAndOtherAdjustments

18700000

USD

CY2018

us-gaap

Preferred Stock Dividends And Other Adjustments

PreferredStockDividendsAndOtherAdjustments

14200000

USD

CY2017

us-gaap

Preferred Stock Dividends And Other Adjustments

PreferredStockDividendsAndOtherAdjustments

0

USD

CY2019

us-gaap

Net Income Loss Available To Common Stockholders Basic

NetIncomeLossAvailableToCommonStockholdersBasic

363900000

USD

CY2018

us-gaap

Net Income Loss Available To Common Stockholders Basic

NetIncomeLossAvailableToCommonStockholdersBasic

236800000

USD

CY2017

us-gaap

Net Income Loss Available To Common Stockholders Basic

NetIncomeLossAvailableToCommonStockholdersBasic

519600000

USD

CY2019

us-gaap

Distributed Earnings

DistributedEarnings

151400000

USD

CY2018

us-gaap

Distributed Earnings

DistributedEarnings

133800000

USD

CY2017

us-gaap

Distributed Earnings

DistributedEarnings

119000000.0

USD

CY2019

us-gaap

Undistributed Earnings

UndistributedEarnings

212500000

USD

CY2018

us-gaap

Undistributed Earnings

UndistributedEarnings

103000000.0

USD

CY2017

us-gaap

Undistributed Earnings

UndistributedEarnings

400600000

USD

CY2019

us-gaap

Weighted Average Number Of Shares Outstanding Basic

WeightedAverageNumberOfSharesOutstandingBasic

61942969

shares

CY2018

us-gaap

Weighted Average Number Of Shares Outstanding Basic

WeightedAverageNumberOfSharesOutstandingBasic

59239608

shares

CY2017

us-gaap

Weighted Average Number Of Shares Outstanding Basic

WeightedAverageNumberOfSharesOutstandingBasic

54986654

shares

CY2019

us-gaap

Incremental Common Shares Attributable To Conversion Of Preferred Stock

IncrementalCommonSharesAttributableToConversionOfPreferredStock

0

shares

CY2018

us-gaap

Incremental Common Shares Attributable To Conversion Of Preferred Stock

IncrementalCommonSharesAttributableToConversionOfPreferredStock

0

shares

CY2017

us-gaap

Incremental Common Shares Attributable To Conversion Of Preferred Stock

IncrementalCommonSharesAttributableToConversionOfPreferredStock

0

shares

CY2019Q3

us-gaap

Earnings Per Share Basic

EarningsPerShareBasic

-0.96

CY2019

us-gaap

Weighted Average Number Of Diluted Shares Outstanding

WeightedAverageNumberOfDilutedSharesOutstanding

62313468

shares

CY2018

us-gaap

Weighted Average Number Of Diluted Shares Outstanding

WeightedAverageNumberOfDilutedSharesOutstanding

59545524

shares

CY2017

us-gaap

Weighted Average Number Of Diluted Shares Outstanding

WeightedAverageNumberOfDilutedSharesOutstanding

55311032

shares

CY2019

us-gaap

Earnings Per Share Basic Distributed

EarningsPerShareBasicDistributed

2.44

CY2018

us-gaap

Earnings Per Share Basic Distributed

EarningsPerShareBasicDistributed

2.26

CY2017

us-gaap

Earnings Per Share Basic Distributed

EarningsPerShareBasicDistributed

2.16

CY2019

us-gaap

Earnings Per Share Basic Undistributed

EarningsPerShareBasicUndistributed

3.43

CY2018

us-gaap

Earnings Per Share Basic Undistributed

EarningsPerShareBasicUndistributed

1.74

CY2017

us-gaap

Earnings Per Share Basic Undistributed

EarningsPerShareBasicUndistributed

7.29

CY2019

us-gaap

Earnings Per Share Basic

EarningsPerShareBasic

5.87

CY2018

us-gaap

Earnings Per Share Basic

EarningsPerShareBasic

4.00

CY2017

us-gaap

Earnings Per Share Basic

EarningsPerShareBasic

9.45

CY2019

us-gaap

Earnings Per Share Diluted Distributed

EarningsPerShareDilutedDistributed

2.43

CY2018

us-gaap

Earnings Per Share Diluted Distributed

EarningsPerShareDilutedDistributed

2.25

CY2017

us-gaap

Earnings Per Share Diluted Distributed

EarningsPerShareDilutedDistributed

2.15

CY2019

us-gaap

Earnings Per Share Diluted Undistributed

EarningsPerShareDilutedUndistributed

3.41

CY2018

us-gaap

Earnings Per Share Diluted Undistributed

EarningsPerShareDilutedUndistributed

1.73

CY2017

us-gaap

Earnings Per Share Diluted Undistributed

EarningsPerShareDilutedUndistributed

7.24

CY2019

us-gaap

Earnings Per Share Diluted

EarningsPerShareDiluted

5.84

CY2018

us-gaap

Earnings Per Share Diluted

EarningsPerShareDiluted

3.98

CY2017

us-gaap

Earnings Per Share Diluted

EarningsPerShareDiluted

9.39

CY2019Q1

us-gaap

Revenues

2435600000

USD

CY2019Q2

us-gaap

Revenues

2545500000

USD

CY2019Q3

us-gaap

Revenues

2499300000

USD

CY2019Q4

us-gaap

Revenues

2606400000

USD

CY2019Q1

us-gaap

Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest

IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest

217000000.0

USD

CY2019Q2

us-gaap

Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest

IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest

183300000

USD

CY2019Q3

us-gaap

Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest

IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest

-24600000

USD

CY2019Q4

us-gaap

Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest

IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest

178800000

USD

CY2019Q1

us-gaap

Net Income Loss Available To Common Stockholders Basic

NetIncomeLossAvailableToCommonStockholdersBasic

161000000.0

USD

CY2019Q2

us-gaap

Net Income Loss Available To Common Stockholders Basic

NetIncomeLossAvailableToCommonStockholdersBasic

139500000

USD

CY2019Q3

us-gaap

Net Income Loss Available To Common Stockholders Basic

NetIncomeLossAvailableToCommonStockholdersBasic

-59500000

USD

CY2019Q4

us-gaap

Net Income Loss Available To Common Stockholders Basic

NetIncomeLossAvailableToCommonStockholdersBasic

122900000

USD

CY2019Q1

aiz

Income Loss From Continuing Operations Before Provision For Income Taxes Per Share Basic

IncomeLossFromContinuingOperationsBeforeProvisionForIncomeTaxesPerShareBasic

3.47

CY2019Q2

aiz

Income Loss From Continuing Operations Before Provision For Income Taxes Per Share Basic

IncomeLossFromContinuingOperationsBeforeProvisionForIncomeTaxesPerShareBasic

2.95

CY2019Q3

aiz

Income Loss From Continuing Operations Before Provision For Income Taxes Per Share Basic

IncomeLossFromContinuingOperationsBeforeProvisionForIncomeTaxesPerShareBasic

-0.40

CY2019Q4

aiz

Income Loss From Continuing Operations Before Provision For Income Taxes Per Share Basic

IncomeLossFromContinuingOperationsBeforeProvisionForIncomeTaxesPerShareBasic

2.92

CY2019Q1

us-gaap

Earnings Per Share Basic

EarningsPerShareBasic

2.57

CY2019Q2

us-gaap

Earnings Per Share Basic

EarningsPerShareBasic

2.24

CY2019Q4

us-gaap

Operating Lease Liability

OperatingLeaseLiability

76400000

USD

CY2019Q4

us-gaap

Earnings Per Share Basic

EarningsPerShareBasic

2.01

CY2019Q1

aiz

Income Loss From Continuing Operations Before Provision For Income Taxes Per Share Diluted

IncomeLossFromContinuingOperationsBeforeProvisionForIncomeTaxesPerShareDiluted

3.30

CY2019Q2

aiz

Income Loss From Continuing Operations Before Provision For Income Taxes Per Share Diluted

IncomeLossFromContinuingOperationsBeforeProvisionForIncomeTaxesPerShareDiluted

2.81

CY2019Q3

aiz

Income Loss From Continuing Operations Before Provision For Income Taxes Per Share Diluted

IncomeLossFromContinuingOperationsBeforeProvisionForIncomeTaxesPerShareDiluted

-0.40

CY2019Q4

aiz

Income Loss From Continuing Operations Before Provision For Income Taxes Per Share Diluted

IncomeLossFromContinuingOperationsBeforeProvisionForIncomeTaxesPerShareDiluted

2.78

CY2019Q1

us-gaap

Earnings Per Share Diluted

EarningsPerShareDiluted

2.52

CY2019Q2

us-gaap

Earnings Per Share Diluted

EarningsPerShareDiluted

2.21

CY2019Q3

us-gaap

Earnings Per Share Diluted

EarningsPerShareDiluted

-0.96

CY2019Q4

us-gaap

Earnings Per Share Diluted

EarningsPerShareDiluted

1.91

CY2018Q1

us-gaap

Revenues

1638600000

USD

CY2018Q2

us-gaap

Revenues

1831700000

USD

CY2018Q3

us-gaap

Revenues

2270300000

USD

CY2018Q4

us-gaap

Revenues

2317000000.0

USD

CY2018Q1

us-gaap

Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest

IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest

136500000

USD

CY2018Q2

us-gaap

Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest

IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest

78300000

USD

CY2018Q3

us-gaap

Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest

IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest

75800000

USD

CY2018Q4

us-gaap

Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest

IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest

42900000

USD

CY2018Q1

us-gaap

Net Income Loss Available To Common Stockholders Basic

NetIncomeLossAvailableToCommonStockholdersBasic

106000000.0

USD

CY2018Q2

us-gaap

Net Income Loss Available To Common Stockholders Basic

NetIncomeLossAvailableToCommonStockholdersBasic

62200000

USD

CY2018Q3

us-gaap

Net Income Loss Available To Common Stockholders Basic

NetIncomeLossAvailableToCommonStockholdersBasic

48300000

USD

CY2018Q4

us-gaap

Net Income Loss Available To Common Stockholders Basic

NetIncomeLossAvailableToCommonStockholdersBasic

20300000

USD

CY2018Q1

aiz

Income Loss From Continuing Operations Before Provision For Income Taxes Per Share Basic

IncomeLossFromContinuingOperationsBeforeProvisionForIncomeTaxesPerShareBasic

2.57

CY2018Q2

aiz

Income Loss From Continuing Operations Before Provision For Income Taxes Per Share Basic

IncomeLossFromContinuingOperationsBeforeProvisionForIncomeTaxesPerShareBasic

1.37

CY2018Q3

aiz

Income Loss From Continuing Operations Before Provision For Income Taxes Per Share Basic

IncomeLossFromContinuingOperationsBeforeProvisionForIncomeTaxesPerShareBasic

1.19

CY2018Q4

aiz

Income Loss From Continuing Operations Before Provision For Income Taxes Per Share Basic

IncomeLossFromContinuingOperationsBeforeProvisionForIncomeTaxesPerShareBasic

0.68

CY2018Q1

us-gaap

Earnings Per Share Basic

EarningsPerShareBasic

1.99

CY2018Q2

us-gaap

Earnings Per Share Basic

EarningsPerShareBasic

1.09

CY2018Q3

us-gaap

Earnings Per Share Basic

EarningsPerShareBasic

0.76

CY2018Q4

us-gaap

Earnings Per Share Basic

EarningsPerShareBasic

0.32

CY2018Q1

aiz

Income Loss From Continuing Operations Before Provision For Income Taxes Per Share Diluted

IncomeLossFromContinuingOperationsBeforeProvisionForIncomeTaxesPerShareDiluted

2.52

CY2018Q2

aiz

Income Loss From Continuing Operations Before Provision For Income Taxes Per Share Diluted

IncomeLossFromContinuingOperationsBeforeProvisionForIncomeTaxesPerShareDiluted

1.37

CY2018Q3

aiz

Income Loss From Continuing Operations Before Provision For Income Taxes Per Share Diluted

IncomeLossFromContinuingOperationsBeforeProvisionForIncomeTaxesPerShareDiluted

1.19

CY2018Q4

aiz

Income Loss From Continuing Operations Before Provision For Income Taxes Per Share Diluted

IncomeLossFromContinuingOperationsBeforeProvisionForIncomeTaxesPerShareDiluted

0.68

CY2018Q1

us-gaap

Earnings Per Share Diluted

EarningsPerShareDiluted

1.96

CY2018Q2

us-gaap

Earnings Per Share Diluted

EarningsPerShareDiluted

1.09

CY2018Q3

us-gaap

Earnings Per Share Diluted

EarningsPerShareDiluted

0.76

CY2018Q4

us-gaap

Earnings Per Share Diluted

EarningsPerShareDiluted

0.32

CY2019Q3

us-gaap

Loss From Catastrophes

LossFromCatastrophes

36300000

USD

CY2018Q3

aiz

Loss From Remeasurement Due To Highly Inflationary Accounting Net

LossFromRemeasurementDueToHighlyInflationaryAccountingNet

18300000

USD

CY2019Q4

us-gaap

Operating Lease Right Of Use Asset

OperatingLeaseRightOfUseAsset

69500000

USD

CY2019

us-gaap

Operating Lease Cost

OperatingLeaseCost

22100000

USD

CY2018

us-gaap

Operating Leases Rent Expense Net

OperatingLeasesRentExpenseNet

27400000

USD

CY2017

us-gaap

Operating Leases Rent Expense Net

OperatingLeasesRentExpenseNet

23800000

USD

CY2018

us-gaap

Operating Leases Rent Expense Sublease Rentals1

OperatingLeasesRentExpenseSubleaseRentals1

700000

USD

CY2017

us-gaap

Operating Leases Rent Expense Sublease Rentals1

OperatingLeasesRentExpenseSubleaseRentals1

5900000

USD

CY2019Q4

us-gaap

Purchase Obligation

PurchaseObligation

4500000

USD

CY2019Q4

us-gaap

Purchase Obligation Due In Next Twelve Months

PurchaseObligationDueInNextTwelveMonths

4500000

USD

CY2019

us-gaap

Operating Lease Payments

OperatingLeasePayments

21300000

USD

CY2019Q4

us-gaap

Operating Lease Weighted Average Remaining Lease Term1

OperatingLeaseWeightedAverageRemainingLeaseTerm1

P7Y

CY2019Q4

us-gaap

Operating Lease Weighted Average Discount Rate Percent

OperatingLeaseWeightedAverageDiscountRatePercent

0.044

CY2019

us-gaap

Short Term Lease Cost

ShortTermLeaseCost

4200000

USD

CY2019Q4

us-gaap

Lessee Operating Lease Liability Payments Due Next Twelve Months

LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths

20400000

USD

CY2019Q4

us-gaap

Lessee Operating Lease Liability Payments Due Year Two

LesseeOperatingLeaseLiabilityPaymentsDueYearTwo

18800000

USD

CY2019Q4

us-gaap

Lessee Operating Lease Liability Payments Due Year Three

LesseeOperatingLeaseLiabilityPaymentsDueYearThree

14300000

USD

CY2019Q4

us-gaap

Lessee Operating Lease Liability Payments Due Year Four

LesseeOperatingLeaseLiabilityPaymentsDueYearFour

11000000.0

USD

CY2019Q4

us-gaap

Lessee Operating Lease Liability Payments Due Year Five

LesseeOperatingLeaseLiabilityPaymentsDueYearFive

8300000

USD

CY2019Q4

us-gaap

Lessee Operating Lease Liability Payments Due After Year Five

LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive

28600000

USD

CY2019Q4

us-gaap

Lessee Operating Lease Liability Payments Due

LesseeOperatingLeaseLiabilityPaymentsDue

101400000

USD

CY2019Q4

us-gaap

Lessee Operating Lease Liability Undiscounted Excess Amount

LesseeOperatingLeaseLiabilityUndiscountedExcessAmount

25000000.0

USD

CY2019Q4

us-gaap

Operating Lease Liability

OperatingLeaseLiability

76400000

USD

CY2019Q4

us-gaap

Letters Of Credit Outstanding Amount

LettersOfCreditOutstandingAmount

12100000

USD

CY2018Q4

us-gaap

Letters Of Credit Outstanding Amount

LettersOfCreditOutstandingAmount

13200000

USD

CY2019Q4

us-gaap

Summary Of Investments Other Than Investments In Related Parties Cost

SummaryOfInvestmentsOtherThanInvestmentsInRelatedPartiesCost

13262700000

USD

CY2019Q4

us-gaap

Summary Of Investments Other Than Investments In Related Parties Fair Value

SummaryOfInvestmentsOtherThanInvestmentsInRelatedPartiesFairValue

14596100000

USD

CY2019Q4

us-gaap

Summary Of Investments Other Than Investments In Related Parties Carrying Amount

SummaryOfInvestmentsOtherThanInvestmentsInRelatedPartiesCarryingAmount

14567300000

USD

CY2019Q4

us-gaap

Supplementary Insurance Information Deferred Policy Acquisition Costs

SupplementaryInsuranceInformationDeferredPolicyAcquisitionCosts

6668000000.0

USD

CY2019Q4

us-gaap

Supplementary Insurance Information Liability For Future Policy Benefits Losses Claims And Loss Expense Reserves

SupplementaryInsuranceInformationLiabilityForFuturePolicyBenefitsLossesClaimsAndLossExpenseReserves

9807300000

USD

CY2019Q4

us-gaap

Supplementary Insurance Information Unearned Premiums

SupplementaryInsuranceInformationUnearnedPremiums

16603600000

USD

CY2019Q4

us-gaap

Supplementary Insurance Information Other Policy Claims And Benefits Payable

SupplementaryInsuranceInformationOtherPolicyClaimsAndBenefitsPayable

2687700000

USD

CY2019

us-gaap

Supplementary Insurance Information Premium Revenue

SupplementaryInsuranceInformationPremiumRevenue

8020000000.0

USD

CY2019

us-gaap

Supplementary Insurance Information Net Investment Income

SupplementaryInsuranceInformationNetInvestmentIncome

675000000.0

USD

CY2019

us-gaap

Supplementary Insurance Information Benefits Claims Losses And Settlement Expense

SupplementaryInsuranceInformationBenefitsClaimsLossesAndSettlementExpense

2654700000

USD

CY2019

us-gaap

Supplementary Insurance Information Amortization Of Deferred Policy Acquisition Costs

SupplementaryInsuranceInformationAmortizationOfDeferredPolicyAcquisitionCosts

2182300000

USD

CY2018Q4

us-gaap

Supplementary Insurance Information Liability For Future Policy Benefits Losses Claims And Loss Expense Reserves

SupplementaryInsuranceInformationLiabilityForFuturePolicyBenefitsLossesClaimsAndLossExpenseReserves

9240900000

USD

CY2019

us-gaap

Supplementary Insurance Information Other Operating Expense

SupplementaryInsuranceInformationOtherOperatingExpense

4553300000

USD

CY2019

us-gaap

Supplementary Insurance Information Premiums Written

SupplementaryInsuranceInformationPremiumsWritten

2917600000

USD

CY2018Q4

us-gaap

Supplementary Insurance Information Deferred Policy Acquisition Costs

SupplementaryInsuranceInformationDeferredPolicyAcquisitionCosts

5103000000.0

USD

CY2018Q4

us-gaap

Supplementary Insurance Information Unearned Premiums

SupplementaryInsuranceInformationUnearnedPremiums

15648000000.0

USD

CY2018Q4

us-gaap

Supplementary Insurance Information Other Policy Claims And Benefits Payable

SupplementaryInsuranceInformationOtherPolicyClaimsAndBenefitsPayable

2813700000

USD

CY2018

us-gaap

Supplementary Insurance Information Premium Revenue

SupplementaryInsuranceInformationPremiumRevenue

6156900000

USD

CY2018

us-gaap

Supplementary Insurance Information Net Investment Income

SupplementaryInsuranceInformationNetInvestmentIncome

598400000

USD

CY2018

us-gaap

Supplementary Insurance Information Benefits Claims Losses And Settlement Expense

SupplementaryInsuranceInformationBenefitsClaimsLossesAndSettlementExpense

2342600000

USD

CY2018

us-gaap

Supplementary Insurance Information Amortization Of Deferred Policy Acquisition Costs

SupplementaryInsuranceInformationAmortizationOfDeferredPolicyAcquisitionCosts

1475500000

USD

CY2018

us-gaap

Supplementary Insurance Information Other Operating Expense

SupplementaryInsuranceInformationOtherOperatingExpense

3805700000

USD

CY2018

us-gaap

Supplementary Insurance Information Premiums Written

SupplementaryInsuranceInformationPremiumsWritten

2569500000

USD

CY2017Q4

us-gaap

Supplementary Insurance Information Deferred Policy Acquisition Costs

SupplementaryInsuranceInformationDeferredPolicyAcquisitionCosts

3484500000

USD

CY2017Q4

us-gaap

Supplementary Insurance Information Liability For Future Policy Benefits Losses Claims And Loss Expense Reserves

SupplementaryInsuranceInformationLiabilityForFuturePolicyBenefitsLossesClaimsAndLossExpenseReserves

10397400000

USD

CY2017Q4

us-gaap

Supplementary Insurance Information Unearned Premiums

SupplementaryInsuranceInformationUnearnedPremiums

7038600000

USD

CY2017Q4

us-gaap

Supplementary Insurance Information Other Policy Claims And Benefits Payable

SupplementaryInsuranceInformationOtherPolicyClaimsAndBenefitsPayable

3782200000

USD

CY2017

us-gaap

Supplementary Insurance Information Premium Revenue

SupplementaryInsuranceInformationPremiumRevenue

4404100000

USD

CY2017

us-gaap

Supplementary Insurance Information Net Investment Income

SupplementaryInsuranceInformationNetInvestmentIncome

493800000

USD

CY2017

us-gaap

Supplementary Insurance Information Benefits Claims Losses And Settlement Expense

SupplementaryInsuranceInformationBenefitsClaimsLossesAndSettlementExpense

1870600000

USD

CY2017

us-gaap

Supplementary Insurance Information Amortization Of Deferred Policy Acquisition Costs

SupplementaryInsuranceInformationAmortizationOfDeferredPolicyAcquisitionCosts

1332100000

USD

CY2017

us-gaap

Supplementary Insurance Information Other Operating Expense

SupplementaryInsuranceInformationOtherOperatingExpense

2718300000

USD

CY2017

us-gaap

Supplementary Insurance Information Premiums Written

SupplementaryInsuranceInformationPremiumsWritten

2357000000.0

USD

CY2019Q4

srt

Life Insurance In Force Gross

LifeInsuranceInForceGross

28750300000

USD

CY2019Q4

srt

Life Insurance In Force Ceded

LifeInsuranceInForceCeded

18724600000

USD

CY2019Q4

srt

Life Insurance In Force Assumed

LifeInsuranceInForceAssumed

516200000

USD

CY2019Q4

srt

Life Insurance In Force Net

LifeInsuranceInForceNet

10541900000

USD

CY2019Q4

srt

Life Insurance In Force Percentage Assumed To Net

LifeInsuranceInForcePercentageAssumedToNet

0.049

CY2019

us-gaap

Direct Premiums Earned

DirectPremiumsEarned

14437300000

USD

CY2019

us-gaap

Ceded Premiums Earned

CededPremiumsEarned

6634100000

USD

CY2019

us-gaap

Assumed Premiums Earned

AssumedPremiumsEarned

216800000

USD

CY2019

us-gaap

Premiums Earned Net

PremiumsEarnedNet

8020000000.0

USD

CY2019

us-gaap

Premiums Percentage Assumed To Net

PremiumsPercentageAssumedToNet

0.027

CY2019

us-gaap

Policyholder Benefits And Claims Incurred Gross

PolicyholderBenefitsAndClaimsIncurredGross

6395600000

USD

CY2019

us-gaap

Reinsurance Effect On Claims And Benefits Incurred Amount Ceded

ReinsuranceEffectOnClaimsAndBenefitsIncurredAmountCeded

3967400000

USD

CY2019

us-gaap

Reinsurance Effect On Claims And Benefits Incurred Amount Assumed

ReinsuranceEffectOnClaimsAndBenefitsIncurredAmountAssumed

226500000

USD

CY2019

us-gaap

Policyholder Benefits And Claims Incurred Net

PolicyholderBenefitsAndClaimsIncurredNet

2654700000

USD

CY2019

aiz

Benefits Percentage Of Amount Assumed To Net

BenefitsPercentageOfAmountAssumedToNet

0.085

CY2018Q4

srt

Life Insurance In Force Gross

LifeInsuranceInForceGross

53831600000

USD

CY2018Q4

srt

Life Insurance In Force Ceded

LifeInsuranceInForceCeded

50110500000

USD

CY2018Q4

srt

Life Insurance In Force Assumed

LifeInsuranceInForceAssumed

554100000

USD

CY2018Q4

srt

Life Insurance In Force Net

LifeInsuranceInForceNet

4275200000

USD

CY2018Q4

srt

Life Insurance In Force Percentage Assumed To Net

LifeInsuranceInForcePercentageAssumedToNet

0.130

CY2018

us-gaap

Direct Premiums Earned

DirectPremiumsEarned

11703800000

USD

CY2018

us-gaap

Ceded Premiums Earned

CededPremiumsEarned

5700200000

USD

CY2018

us-gaap

Assumed Premiums Earned

AssumedPremiumsEarned

153300000

USD

CY2018

us-gaap

Premiums Earned Net

PremiumsEarnedNet

6156900000

USD

CY2018

us-gaap

Premiums Percentage Assumed To Net

PremiumsPercentageAssumedToNet

0.025

CY2018

us-gaap

Policyholder Benefits And Claims Incurred Gross

PolicyholderBenefitsAndClaimsIncurredGross

6302900000

USD

CY2018

us-gaap

Reinsurance Effect On Claims And Benefits Incurred Amount Ceded

ReinsuranceEffectOnClaimsAndBenefitsIncurredAmountCeded

4069100000

USD

CY2018

us-gaap

Reinsurance Effect On Claims And Benefits Incurred Amount Assumed

ReinsuranceEffectOnClaimsAndBenefitsIncurredAmountAssumed

108800000

USD

CY2018

us-gaap

Policyholder Benefits And Claims Incurred Net

PolicyholderBenefitsAndClaimsIncurredNet

2342600000

USD

CY2018

aiz

Benefits Percentage Of Amount Assumed To Net

BenefitsPercentageOfAmountAssumedToNet

0.046

CY2017Q4

srt

Life Insurance In Force Gross

LifeInsuranceInForceGross

77852800000

USD

CY2017Q4

srt

Life Insurance In Force Ceded

LifeInsuranceInForceCeded

74851800000

USD

CY2017Q4

srt

Life Insurance In Force Assumed

LifeInsuranceInForceAssumed

614800000

USD

CY2017Q4

srt

Life Insurance In Force Net

LifeInsuranceInForceNet

3615800000

USD

CY2017Q4

srt

Life Insurance In Force Percentage Assumed To Net

LifeInsuranceInForcePercentageAssumedToNet

0.170

CY2017

us-gaap

Direct Premiums Earned

DirectPremiumsEarned

9530800000

USD

CY2017

us-gaap

Ceded Premiums Earned

CededPremiumsEarned

5280600000

USD

CY2017

us-gaap

Assumed Premiums Earned

AssumedPremiumsEarned

153900000

USD

CY2017

us-gaap

Premiums Earned Net

PremiumsEarnedNet

4404100000

USD

CY2017

us-gaap

Premiums Percentage Assumed To Net

PremiumsPercentageAssumedToNet

0.035

CY2017

us-gaap

Policyholder Benefits And Claims Incurred Gross

PolicyholderBenefitsAndClaimsIncurredGross

6439500000

USD

CY2017

us-gaap

Reinsurance Effect On Claims And Benefits Incurred Amount Ceded

ReinsuranceEffectOnClaimsAndBenefitsIncurredAmountCeded

4797000000.0

USD

CY2017

us-gaap

Reinsurance Effect On Claims And Benefits Incurred Amount Assumed

ReinsuranceEffectOnClaimsAndBenefitsIncurredAmountAssumed

228100000

USD

CY2017

us-gaap

Policyholder Benefits And Claims Incurred Net

PolicyholderBenefitsAndClaimsIncurredNet

1870600000

USD

CY2017

aiz

Benefits Percentage Of Amount Assumed To Net

BenefitsPercentageOfAmountAssumedToNet

0.122

CY2018Q4

us-gaap

Valuation Allowances And Reserves Balance

ValuationAllowancesAndReservesBalance

44800000

USD

CY2019

us-gaap

Valuation Allowances And Reserves Charged To Cost And Expense

ValuationAllowancesAndReservesChargedToCostAndExpense

54500000

USD

CY2019

us-gaap

Valuation Allowances And Reserves Charged To Other Accounts

ValuationAllowancesAndReservesChargedToOtherAccounts

0

USD

CY2019

us-gaap

Valuation Allowances And Reserves Deductions

ValuationAllowancesAndReservesDeductions

2300000

USD

CY2019Q4

us-gaap

Valuation Allowances And Reserves Balance

ValuationAllowancesAndReservesBalance

97000000.0

USD

CY2017Q4

us-gaap

Valuation Allowances And Reserves Balance

ValuationAllowancesAndReservesBalance

23000000.0

USD

CY2018

us-gaap

Valuation Allowances And Reserves Charged To Cost And Expense

ValuationAllowancesAndReservesChargedToCostAndExpense

-800000

USD

CY2018

us-gaap

Valuation Allowances And Reserves Charged To Other Accounts

ValuationAllowancesAndReservesChargedToOtherAccounts

25800000

USD

CY2018

us-gaap

Valuation Allowances And Reserves Deductions

ValuationAllowancesAndReservesDeductions

3200000

USD

CY2018Q4

us-gaap

Valuation Allowances And Reserves Balance

ValuationAllowancesAndReservesBalance

44800000

USD

CY2016Q4

us-gaap

Valuation Allowances And Reserves Balance

ValuationAllowancesAndReservesBalance

44700000

USD

CY2017

us-gaap

Valuation Allowances And Reserves Charged To Cost And Expense

ValuationAllowancesAndReservesChargedToCostAndExpense

-13100000

USD

CY2017

us-gaap

Valuation Allowances And Reserves Charged To Other Accounts

ValuationAllowancesAndReservesChargedToOtherAccounts

200000

USD

CY2017

us-gaap

Valuation Allowances And Reserves Deductions

ValuationAllowancesAndReservesDeductions

8800000

USD

CY2017Q4

us-gaap

Valuation Allowances And Reserves Balance

ValuationAllowancesAndReservesBalance

23000000.0

USD

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$AIZ
ASSURANT, INC. Stock $aiz

2018 Q4 Form 10-K Financial Statement

#000126723820000004 Filed on February 19, 2020

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$AIZ ASSURANT, INC. Stock $aiz

2018 Q4 Form 10-K Financial Statement

#000126723820000004 Filed on February 19, 2020

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$AIZ
ASSURANT, INC. Stock $aiz