$ORI
OLD REPUBLIC INTERNATIONAL CORP Stock $ori

$ori Overview Financials Valuation SEC Filings Company Website

2014 Q4 Form 10-K Financial Statement

#000007426016000082 Filed on February 29, 2016

Income Statement

Concept	2014 Q4	2014 Q3	2014 Q2
Revenue	$1.375B	$1.391B	$1.334B
YoY Change	3.26%	0.83%	-8.73%
Cost Of Revenue		$643.0M	$651.7M
YoY Change		13.85%	24.92%
Gross Profit		$748.0M	$682.2M
YoY Change		-8.19%	-27.41%
Gross Profit Margin		53.77%	51.14%
Selling, General & Admin	$3.600M	$3.400M	$3.500M
YoY Change	2.86%	3.03%	0.0%
% of Gross Profit		0.45%	0.51%
Research & Development
YoY Change
% of Gross Profit
Depreciation & Amortization
YoY Change
% of Gross Profit
Operating Expenses	$1.274B	$1.264B	$1.229B
YoY Change	7.59%	3.28%	5.98%
Operating Profit		-$516.3M	-$546.7M
YoY Change		26.11%	148.73%
Interest Expense	-$9.200M	-$5.100M	-$5.600M
YoY Change	91.67%	-5.56%	0.0%
% of Operating Profit
Other Income/Expense, Net	-$100.0K	-$200.0K	$200.0K
YoY Change	0.0%
Pretax Income	$91.40M	$121.4M	$99.60M
YoY Change	-35.77%	-18.9%	-66.39%
Income Tax	$28.10M	$35.50M	$33.50M
% Of Pretax Income	30.74%	29.24%	33.63%
Net Earnings	$63.30M	$85.80M	$66.10M
YoY Change	-33.16%	-16.62%	-65.91%
Net Earnings / Revenue	4.6%	6.17%	4.96%
Basic Earnings Per Share	$0.24	$0.33	$0.26
Diluted Earnings Per Share	$0.23	$0.30	$0.24
COMMON SHARES
Basic Shares Outstanding	258.8M shares	258.6M shares	258.4M shares
Diluted Shares Outstanding	295.2M shares	295.0M shares	295.1M shares

Balance Sheet

Concept	2014 Q4	2014 Q3	2014 Q2
SHORT-TERM ASSETS
Cash & Short-Term Investments
YoY Change
Cash & Equivalents
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
YoY Change
Goodwill	$160.7M
YoY Change	0.0%
Intangibles
YoY Change
Long-Term Investments	$17.70M	$22.20M	$21.90M
YoY Change	-1.67%	2.78%	34.36%
Other Assets	$37.00M	$51.00M	$44.00M
YoY Change	-22.92%
Total Long-Term Assets
YoY Change
TOTAL ASSETS
Total Short-Term Assets
Total Long-Term Assets
Total Assets	$16.99B	$16.99B	$17.18B
YoY Change	2.74%	2.79%	5.43%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable
YoY Change
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	$455.0M	$366.0M	$348.0M
YoY Change	10.98%	-15.47%	-30.95%
LONG-TERM LIABILITIES
Long-Term Debt	$965.0M	$965.0M	$566.0M
YoY Change	69.6%	69.6%	-0.7%
Other Long-Term Liabilities	$216.0M	$214.0M	$217.0M
YoY Change	3.35%	4.9%	9.05%
Total Long-Term Liabilities	$1.181B	$1.179B	$783.0M
YoY Change	51.8%	52.52%	1.82%
TOTAL LIABILITIES
Total Short-Term Liabilities	$455.0M	$366.0M	$348.0M
Total Long-Term Liabilities	$1.181B	$1.179B	$783.0M
Total Liabilities	$13.06B	$13.06B	$13.23B
YoY Change	2.39%	1.98%	4.06%
SHAREHOLDERS EQUITY
Retained Earnings	$2.707B	$2.691B	$2.652B
YoY Change	8.91%	10.41%	11.41%
Common Stock	$942.5M	$940.5M	$938.3M
YoY Change	0.88%	1.49%	1.62%
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity	$3.924B	$3.923B	$3.953B
YoY Change
Total Liabilities & Shareholders Equity	$16.99B	$16.99B	$17.18B
YoY Change	2.74%	2.79%	5.43%

Cashflow Statement

Concept	2014 Q4	2014 Q3	2014 Q2
OPERATING ACTIVITIES
Net Income	$63.30M	$85.80M	$66.10M
YoY Change	-33.16%	-16.62%	-65.91%
Depreciation, Depletion And Amortization
YoY Change
Cash From Operating Activities	$188.8M	-$542.4M	$37.00M
YoY Change	-17.08%	-400.17%	-72.61%
INVESTING ACTIVITIES
Capital Expenditures
YoY Change
Acquisitions
YoY Change
Other Investing Activities	-$226.6M	$268.4M	$23.40M
YoY Change	17.96%	-391.74%	-123.08%
Cash From Investing Activities	-$226.6M	$268.4M	$23.40M
YoY Change	17.96%	-391.74%	-123.08%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	-45.30M	347.4M	-44.20M
YoY Change	17.66%	-868.58%	1.61%
NET CHANGE
Cash From Operating Activities	188.8M	-542.4M	37.00M
Cash From Investing Activities	-226.6M	268.4M	23.40M
Cash From Financing Activities	-45.30M	347.4M	-44.20M
Net Change In Cash	-83.10M	73.40M	16.20M
YoY Change	2765.52%	68.74%	-265.31%
FREE CASH FLOW
Cash From Operating Activities	$188.8M	-$542.4M	$37.00M
Capital Expenditures
Free Cash Flow
YoY Change

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
CY2015	dei	Amendment Flag AmendmentFlag	false
CY2015	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
CY2015	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	FY
CY2015	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2015
CY2015	dei	Document Period End Date DocumentPeriodEndDate	2015-12-31
CY2015	dei	Document Type DocumentType	10-K
CY2015	dei	Entity Central Index Key EntityCentralIndexKey	0000074260
CY2016Q1	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	262052245	shares
CY2015	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
CY2015	dei	Entity Filer Category EntityFilerCategory	Large Accelerated Filer
CY2015Q2	dei	Entity Public Float EntityPublicFloat	3754833287	USD
CY2015	dei	Entity Registrant Name EntityRegistrantName	Old Republic International Corporation
CY2014Q4	ori	Deferred Tax Liabilities Title Plants And Records DeferredTaxLiabilitiesTitlePlantsAndRecords	5000000	USD
CY2015Q4	ori	Deferred Tax Liabilities Title Plants And Records DeferredTaxLiabilitiesTitlePlantsAndRecords	4900000	USD
CY2013Q4	ori	Deferred Tax Liabilties Unearned Premiums DeferredTaxLiabiltiesUnearnedPremiums	42700000	USD
CY2014Q4	ori	Deferred Tax Liabilties Unearned Premiums DeferredTaxLiabiltiesUnearnedPremiums	39600000	USD
CY2015	dei	Entity Voluntary Filers EntityVoluntaryFilers	No
CY2015	dei	Entity Well Known Seasoned Issuer EntityWellKnownSeasonedIssuer	Yes
CY2013Q4	ori	Alternative Minimum Tax Amt Credit Carry Forward AlternativeMinimumTaxAmtCreditCarryForward	9600000	USD
CY2014Q4	ori	Alternative Minimum Tax Amt Credit Carry Forward AlternativeMinimumTaxAmtCreditCarryForward	9600000	USD
CY2015Q4	ori	Alternative Minimum Tax Amt Credit Carry Forward AlternativeMinimumTaxAmtCreditCarryForward	9600000	USD
CY2014Q4	ori	Available For Sale Miscellaneous Investments AvailableForSaleMiscellaneousInvestments	24700000	USD
CY2015Q4	ori	Available For Sale Miscellaneous Investments AvailableForSaleMiscellaneousInvestments	27200000	USD
CY2014	ori	Average Five Year Survival Ratio Duration Gross AverageFiveYearSurvivalRatioDurationGross	4.5
CY2015	ori	Average Five Year Survival Ratio Duration Gross AverageFiveYearSurvivalRatioDurationGross	4.7
CY2014	ori	Average Five Year Survival Ratio Duration Net AverageFiveYearSurvivalRatioDurationNet	6.1
CY2015	ori	Average Five Year Survival Ratio Duration Net AverageFiveYearSurvivalRatioDurationNet	6.2
CY2015Q4	ori	Bonds On Deposit With Governmental Authorities BondsOnDepositWithGovernmentalAuthorities	772900000	USD
CY2013Q4	ori	Deferred Tax Assets Tax Losses Claims And Settlement Expenses DeferredTaxAssetsTaxLossesClaimsAndSettlementExpenses	286900000	USD
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CY2013Q4	ori	Deferred Tax Liabilities Fixed Maturity Securities Adjusted To Cost DeferredTaxLiabilitiesFixedMaturitySecuritiesAdjustedToCost	4900000	USD
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CY2013Q4	ori	Deferred Tax Liabilities Mortgage Guaranty Insurers Contingency Reserve DeferredTaxLiabilitiesMortgageGuarantyInsurersContingencyReserve	20100000	USD
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CY2015Q4	ori	Deferred Tax Liabilities Mortgage Guaranty Insurers Contingency Reserve DeferredTaxLiabilitiesMortgageGuarantyInsurersContingencyReserve	82400000	USD
CY2013Q4	ori	Deferred Tax Liabilities Title Plants And Records DeferredTaxLiabilitiesTitlePlantsAndRecords	4900000	USD
CY2015Q4	ori	Deferred Tax Liabilties Unearned Premiums DeferredTaxLiabiltiesUnearnedPremiums	44400000	USD
CY2015Q4	ori	Employee Savings And Stock Ownership Plan Number Of Allocated Shares EmployeeSavingsAndStockOwnershipPlanNumberOfAllocatedShares	14764156	shares
CY2015Q4	ori	Employee Savings And Stock Ownership Plan Number Of Allocated Shares To Employees EmployeeSavingsAndStockOwnershipPlanNumberOfAllocatedSharesToEmployees	10630002	shares
CY2015	ori	Entity Wide Revenue Major Customer Number EntityWideRevenueMajorCustomerNumber	1
CY2015Q4	ori	General Liability Insurance Face Amount GeneralLiabilityInsuranceFaceAmount	10000000.0	USD
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CY2015	ori	Gross Investment Income GrossInvestmentIncome	392100000	USD
CY2015	ori	Hombuyers Down Payment Percentage HombuyersDownPaymentPercentage	0.20
CY2013	ori	Income Taxes Credits On Realized Investment Gains Losses IncomeTaxesCreditsOnRealizedInvestmentGainsLosses	51800000	USD
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CY2013	ori	Increase Decrease In Income Taxes Net IncreaseDecreaseInIncomeTaxesNet	-103700000	USD
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CY2015	ori	Increase Decrease In Income Taxes Net IncreaseDecreaseInIncomeTaxesNet	-13400000	USD
CY2015	ori	Increase Decreasein Contingency Reserve IncreaseDecreaseinContingencyReserve	-82600000	USD
CY2013	ori	Interest And Other Charges InterestAndOtherCharges	21600000	USD
CY2014	ori	Interest And Other Charges InterestAndOtherCharges	25600000	USD
CY2015	ori	Interest And Other Charges InterestAndOtherCharges	41900000	USD
CY2013	ori	Interestexpenseincurredonfundsheld Interestexpenseincurredonfundsheld	1700000	USD
CY2015Q2	ori	Net Investment Income And Realized Gains Losses NetInvestmentIncomeAndRealizedGainsLosses	109700000	USD
CY2015Q3	ori	Net Investment Income And Realized Gains Losses NetInvestmentIncomeAndRealizedGainsLosses	145600000	USD
CY2014	ori	Interestexpenseincurredonfundsheld Interestexpenseincurredonfundsheld	400000	USD
CY2015	ori	Interestexpenseincurredonfundsheld Interestexpenseincurredonfundsheld	300000	USD
CY2013Q4	ori	Liability For Unpaid Claims And Claims Adjustment Expense Net Of Reinsurance Losses Recoverable LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseNetOfReinsuranceLossesRecoverable	6596800000	USD
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CY2015Q4	ori	Liabilityfor Claimsand Claims Adjustment Expense Gross LiabilityforClaimsandClaimsAdjustmentExpenseGross	130900000	USD
CY2014Q4	ori	Liabilityfor Claimsand Claims Adjustment Expensefrom Asbestosisand Environmental Exposure LiabilityforClaimsandClaimsAdjustmentExpensefromAsbestosisandEnvironmentalExposure	106200000	USD
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CY2014Q4	ori	Liabilties Related To Escrow LiabiltiesRelatedToEscrow	1426500000	USD
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CY2015	ori	Maximum Number Of Common Stock Shares Available Under New Stock Option Plan MaximumNumberOfCommonStockSharesAvailableUnderNewStockOptionPlan	14500000	shares
CY2015	ori	Maximum Numberof Common Stock Shares Available Under2016 Stock Option Plan MaximumNumberofCommonStockSharesAvailableUnder2016StockOptionPlan	15000000	shares
CY2015Q4	ori	Mortgage Guaranty Insurers Contingency Reserves MortgageGuarantyInsurersContingencyReserves	265800000	USD
CY2014Q1	ori	Net Investment Income And Realized Gains Losses NetInvestmentIncomeAndRealizedGainsLosses	274000000	USD
CY2014Q2	ori	Net Investment Income And Realized Gains Losses NetInvestmentIncomeAndRealizedGainsLosses	135300000	USD
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CY2014	ori	Net Realized Gains Losses NetRealizedGainsLosses	177000000	USD
CY2015	ori	Net Realized Gains Losses NetRealizedGainsLosses	59300000	USD
CY2013	ori	Net Reserve Increase Decrease NetReserveIncreaseDecrease	140600000	USD
CY2014	ori	Net Reserve Increase Decrease NetReserveIncreaseDecrease	-481500000	USD
CY2015	ori	Net Reserve Increase Decrease NetReserveIncreaseDecrease	272200000	USD
CY2015Q4	ori	Number Of Major Segments NumberOfMajorSegments	3	segment
CY2015Q4	ori	Numberof Jurisdictions NumberofJurisdictions	16	jurisdiction
CY2013	ori	One Year Development Of Consolidated Reserves OneYearDevelopmentOfConsolidatedReserves	0.046
CY2014	ori	One Year Development Of Consolidated Reserves OneYearDevelopmentOfConsolidatedReserves	-0.003
CY2015	ori	One Year Development Of Consolidated Reserves OneYearDevelopmentOfConsolidatedReserves	0.016
CY2013	ori	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAociForSaleOfSecuritiesBeforeTax	148100000	USD
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CY2013	ori	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAociPensionAndOtherPostretirementBenefitPlansBeforeTax	7000000	USD
CY2014	ori	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAociPensionAndOtherPostretirementBenefitPlansBeforeTax	-1900000	USD
CY2015	ori	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAociPensionAndOtherPostretirementBenefitPlansBeforeTax	1000000	USD
CY2013	ori	Other Long Terminvestments Net OtherLongTerminvestmentsNet	3700000	USD
CY2014	ori	Other Long Terminvestments Net OtherLongTerminvestmentsNet	300000	USD
CY2015	ori	Other Long Terminvestments Net OtherLongTerminvestmentsNet	-300000	USD
CY2014Q4	ori	Other Policholders Benefits And Funds OtherPolicholdersBenefitsAndFunds	205000000	USD
CY2015Q4	ori	Other Policholders Benefits And Funds OtherPolicholdersBenefitsAndFunds	196400000	USD
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CY2015	ori	Realized Investment Gains Losses From Impairment RealizedInvestmentGainsLossesFromImpairment	0	USD
CY2013	ori	Realized Investment Gains Losses From Impairments RealizedInvestmentGainsLossesFromImpairments	0	USD
CY2014	ori	Realized Investment Gains Losses From Impairments RealizedInvestmentGainsLossesFromImpairments	0	USD
CY2015	ori	Realized Investment Gains Losses From Impairments RealizedInvestmentGainsLossesFromImpairments	0	USD
CY2013	ori	Realized Investment Gains Losses From Sales RealizedInvestmentGainsLossesFromSales	148100000	USD
CY2014	ori	Realized Investment Gains Losses From Sales RealizedInvestmentGainsLossesFromSales	272300000	USD
CY2015	ori	Realized Investment Gains Losses From Sales RealizedInvestmentGainsLossesFromSales	91300000	USD
CY2014Q4	ori	Reinsurance Balances And Funds Held ReinsuranceBalancesAndFundsHeld	473800000	USD
CY2015Q4	ori	Reinsurance Balances And Funds Held ReinsuranceBalancesAndFundsHeld	496100000	USD
CY2013Q4	ori	Reinsurance Recoverables Policy And Claim Reserves ReinsuranceRecoverablesPolicyAndClaimReserves	3150800000	USD
CY2014Q4	ori	Reinsurance Recoverables Policy And Claim Reserves ReinsuranceRecoverablesPolicyAndClaimReserves	3355600000	USD
CY2015Q4	ori	Reinsurance Recoverables Policy And Claim Reserves ReinsuranceRecoverablesPolicyAndClaimReserves	3122500000	USD
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CY2015	ori	Reinsurance Unrecoverable Amount ReinsuranceUnrecoverableAmount	15900000	USD
CY2015Q4	ori	Sharebased Compensation Arrangement By Share Based Payment Award Vesting Rate Between Year Four And Year Five Grant Date SharebasedCompensationArrangementByShareBasedPaymentAwardVestingRateBetweenYearFourAndYearFiveGrantDate	0.30
CY2015Q4	ori	Sharebased Compensation Arrangement By Share Based Payment Award Vesting Rate Between Year One And Year Two Grant Date SharebasedCompensationArrangementByShareBasedPaymentAwardVestingRateBetweenYearOneAndYearTwoGrantDate	0.15
CY2015Q4	ori	Sharebased Compensation Arrangement By Share Based Payment Award Vesting Rate Between Year Three And Year Four Grant Date SharebasedCompensationArrangementByShareBasedPaymentAwardVestingRateBetweenYearThreeAndYearFourGrantDate	0.25
CY2015Q4	ori	Sharebased Compensation Arrangement By Share Based Payment Award Vesting Rate Between Year Two And Year Three Grant Date SharebasedCompensationArrangementByShareBasedPaymentAwardVestingRateBetweenYearTwoAndYearThreeGrantDate	0.20
CY2015Q4	ori	Sharebased Compensation Arrangement By Share Based Payment Award Vesting Rate Within One Year Of Grant Date SharebasedCompensationArrangementByShareBasedPaymentAwardVestingRateWithinOneYearOfGrantDate	0.10
CY2015	ori	Sharebased Compensation Arrangementby Sharebased Payment Award Expiration Period SharebasedCompensationArrangementbySharebasedPaymentAwardExpirationPeriod	P10Y
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CY2015	ori	Three Year Average Annual Development Of Consolidated Reserves ThreeYearAverageAnnualDevelopmentOfConsolidatedReserves	0.020
CY2013	ori	Title Escrow And Other Fees TitleEscrowAndOtherFees	429000000	USD
CY2014	ori	Title Escrow And Other Fees TitleEscrowAndOtherFees	364800000	USD
CY2015	ori	Title Escrow And Other Fees TitleEscrowAndOtherFees	420500000	USD
CY2013Q4	ori	Title Premium And Fee Revenues Stemming From Direct Operations TitlePremiumAndFeeRevenuesStemmingFromDirectOperations	0.28
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CY2015Q4	ori	Title Premium And Fee Revenues Stemming From Direct Operations TitlePremiumAndFeeRevenuesStemmingFromDirectOperations	0.27
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CY2014	ori	Total Operating Revenues TotalOperatingRevenues	5258300000	USD
CY2015	ori	Total Operating Revenues TotalOperatingRevenues	5674800000	USD
CY2014Q4	ori	Total Other Assets TotalOtherAssets	5919300000	USD
CY2015Q4	ori	Total Other Assets TotalOtherAssets	5884900000	USD
CY2014Q4	ori	Total Policy Liabilities And Accruals TotalPolicyLiabilitiesAndAccruals	10954700000	USD
CY2015Q4	ori	Total Policy Liabilities And Accruals TotalPolicyLiabilitiesAndAccruals	11065300000	USD
CY2013	ori	Total Premiums And Fees TotalPremiumsAndFees	4885600000	USD
CY2014	ori	Total Premiums And Fees TotalPremiumsAndFees	4811100000	USD
CY2015	ori	Total Premiums And Fees TotalPremiumsAndFees	5179400000	USD
CY2015Q4	ori	Us Treasury Taxand Loss Bonds Acquired USTreasuryTaxandLossBondsAcquired	9800000	USD
CY2014Q4	ori	Unallocated Essop Shares UnallocatedEssopShares	17600000	USD
CY2015Q4	ori	Unallocated Essop Shares UnallocatedEssopShares	45800000	USD
CY2013	ori	Underwriting Acquisition And Other Expenses UnderwritingAcquisitionAndOtherExpenses	2509700000	USD
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CY2015Q4	us-gaap	Accounts Payable And Accrued Liabilities Current And Noncurrent AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent	452300000	USD
CY2014Q4	us-gaap	Accrued Investment Income Receivable AccruedInvestmentIncomeReceivable	86100000	USD
CY2015Q4	us-gaap	Accrued Investment Income Receivable AccruedInvestmentIncomeReceivable	90100000	USD
CY2014Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	292300000	USD
CY2015Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	29200000	USD
CY2014Q4	us-gaap	Additional Paid In Capital Common Stock AdditionalPaidInCapitalCommonStock	681600000	USD
CY2015Q4	us-gaap	Additional Paid In Capital Common Stock AdditionalPaidInCapitalCommonStock	698000000	USD
CY2013	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	1600000	USD
CY2014	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	2700000	USD
CY2015	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	2300000	USD
CY2013	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	7563456	shares
CY2014	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	6631196	shares
CY2015	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	4933490	shares
CY2014Q4	us-gaap	Assets Assets	16988100000	USD
CY2015Q4	us-gaap	Assets Assets	17110500000	USD
CY2013	us-gaap	Assumed Premiums Earned AssumedPremiumsEarned	26900000	USD
CY2014	us-gaap	Assumed Premiums Earned AssumedPremiumsEarned	32700000	USD
CY2015	us-gaap	Assumed Premiums Earned AssumedPremiumsEarned	39300000	USD
CY2014Q4	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	8126500000	USD
CY2015Q4	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	8149400000	USD
CY2015Q4	us-gaap	Available For Sale Equity Securities Amortized Cost Basis AvailableForSaleEquitySecuritiesAmortizedCostBasis	1826400000	USD
CY2014Q4	us-gaap	Available For Sale Securities AvailableForSaleSecurities	11063200000	USD
CY2015Q4	us-gaap	Available For Sale Securities AvailableForSaleSecurities	10866100000	USD
CY2013	us-gaap	Available For Sale Securities Change In Net Unrealized Holding Gain Loss Net Of Tax AvailableForSaleSecuritiesChangeInNetUnrealizedHoldingGainLossNetOfTax	-166200000	USD
CY2014	us-gaap	Available For Sale Securities Change In Net Unrealized Holding Gain Loss Net Of Tax AvailableForSaleSecuritiesChangeInNetUnrealizedHoldingGainLossNetOfTax	-20400000	USD
CY2015	us-gaap	Available For Sale Securities Change In Net Unrealized Holding Gain Loss Net Of Tax AvailableForSaleSecuritiesChangeInNetUnrealizedHoldingGainLossNetOfTax	-248900000	USD
CY2014	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position12 Months Or Longer Aggregate Losses AvailableForSaleSecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAggregateLosses	13700000	USD
CY2015	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position12 Months Or Longer Aggregate Losses AvailableForSaleSecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAggregateLosses	68900000	USD
CY2014	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Aggregate Losses AvailableForSaleSecuritiesContinuousUnrealizedLossPositionAggregateLosses	56300000	USD
CY2015	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Aggregate Losses AvailableForSaleSecuritiesContinuousUnrealizedLossPositionAggregateLosses	259300000	USD
CY2014Q4	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Fair Value AvailableForSaleSecuritiesContinuousUnrealizedLossPositionFairValue	1841800000	USD
CY2015Q4	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Fair Value AvailableForSaleSecuritiesContinuousUnrealizedLossPositionFairValue	3556600000	USD
CY2014	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Less Than12 Months Aggregate Losses AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAggregateLosses	42600000	USD
CY2015	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Less Than12 Months Aggregate Losses AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAggregateLosses	190400000	USD
CY2014Q4	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Less Than Twelve Months Fair Value AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue	1184300000	USD
CY2015Q4	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Less Than Twelve Months Fair Value AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue	3129500000	USD
CY2014Q4	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Twelve Months Or Longer Fair Value AvailableForSaleSecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue	657500000	USD
CY2015Q4	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Twelve Months Or Longer Fair Value AvailableForSaleSecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue	427000000	USD
CY2015Q4	us-gaap	Available For Sale Securities Debt Maturities After Five Through Ten Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsAmortizedCost	3663600000	USD
CY2015Q4	us-gaap	Available For Sale Securities Debt Maturities After Five Through Ten Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue	3586500000	USD
CY2015Q4	us-gaap	Available For Sale Securities Debt Maturities After One Through Five Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsAmortizedCost	3468400000	USD
CY2015Q4	us-gaap	Available For Sale Securities Debt Maturities After One Through Five Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue	3571900000	USD
CY2015	us-gaap	Benefits Losses And Expenses BenefitsLossesAndExpenses	5134300000	USD
CY2012Q4	us-gaap	Cash Cash	101200000	USD
CY2013Q4	us-gaap	Cash Cash	153300000	USD
CY2015Q4	us-gaap	Available For Sale Securities Debt Maturities After Ten Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsAmortizedCost	176100000	USD
CY2015Q4	us-gaap	Available For Sale Securities Debt Maturities After Ten Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue	175600000	USD
CY2015Q4	us-gaap	Available For Sale Securities Debt Maturities Within One Year Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost	841200000	USD
CY2015Q4	us-gaap	Available For Sale Securities Debt Maturities Within One Year Fair Value AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue	847300000	USD
CY2014Q4	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	8417200000	USD
CY2015Q4	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	8181500000	USD
CY2014Q4	us-gaap	Available For Sale Securities Equity Securities AvailableForSaleSecuritiesEquitySecurities	2011700000	USD
CY2015Q4	us-gaap	Available For Sale Securities Equity Securities AvailableForSaleSecuritiesEquitySecurities	1987800000	USD
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CY2014Q1	us-gaap	Benefits Losses And Expenses BenefitsLossesAndExpenses	1133600000	USD
CY2014Q2	us-gaap	Benefits Losses And Expenses BenefitsLossesAndExpenses	1234200000	USD
CY2014Q3	us-gaap	Benefits Losses And Expenses BenefitsLossesAndExpenses	1269600000	USD
CY2014Q4	us-gaap	Benefits Losses And Expenses BenefitsLossesAndExpenses	1283600000	USD
CY2014	us-gaap	Benefits Losses And Expenses BenefitsLossesAndExpenses	4921200000	USD
CY2015Q1	us-gaap	Benefits Losses And Expenses BenefitsLossesAndExpenses	1176400000	USD
CY2015Q2	us-gaap	Benefits Losses And Expenses BenefitsLossesAndExpenses	1258100000	USD
CY2015Q3	us-gaap	Benefits Losses And Expenses BenefitsLossesAndExpenses	1360900000	USD
CY2015Q4	us-gaap	Benefits Losses And Expenses BenefitsLossesAndExpenses	1338700000	USD
CY2014Q4	us-gaap	Cash Cash	136700000	USD
CY2015Q4	us-gaap	Cash Cash	159800000	USD
CY2013	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	52000000	USD
CY2014	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	-16600000	USD
CY2015	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	23000000	USD
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CY2014	us-gaap	Ceded Premiums Earned CededPremiumsEarned	933200000	USD
CY2015	us-gaap	Ceded Premiums Earned CededPremiumsEarned	1036900000	USD
CY2014Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		USD
CY2015Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		USD
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CY2014	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.73
CY2015	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.74
CY2014Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	1.00
CY2015Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	1.00
CY2014Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	500000000	shares
CY2015Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	500000000	shares
CY2014Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	260946810	shares
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CY2015Q4	us-gaap	Common Stock Value CommonStockValue	261900000	USD
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CY2014	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	323900000	USD
CY2015	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	159000000	USD
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CY2015	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	201000000	USD
CY2014Q4	us-gaap	Debt And Capital Lease Obligations DebtAndCapitalLeaseObligations	965000000	USD
CY2015Q4	us-gaap	Debt And Capital Lease Obligations DebtAndCapitalLeaseObligations	961700000	USD
CY2014Q4	us-gaap	Debt Instrument Fair Value DebtInstrumentFairValue	1074700000	USD
CY2015Q4	us-gaap	Debt Instrument Fair Value DebtInstrumentFairValue	1125800000	USD
CY2013	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	146000000	USD
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CY2015	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	8600000	USD
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CY2015	us-gaap	Deferred Policy Acquisition Cost Amortization Expense DeferredPolicyAcquisitionCostAmortizationExpense	396100000	USD
CY2012Q4	us-gaap	Deferred Policy Acquisition Costs DeferredPolicyAcquisitionCosts	165500000	USD
CY2013Q4	us-gaap	Deferred Policy Acquisition Costs DeferredPolicyAcquisitionCosts	192600000	USD
CY2014Q4	us-gaap	Deferred Policy Acquisition Costs DeferredPolicyAcquisitionCosts	230800000	USD
CY2015Q4	us-gaap	Deferred Policy Acquisition Costs DeferredPolicyAcquisitionCosts	255400000	USD
CY2013	us-gaap	Deferred Policy Acquisition Costs Additions DeferredPolicyAcquisitionCostsAdditions	359100000	USD
CY2014	us-gaap	Deferred Policy Acquisition Costs Additions DeferredPolicyAcquisitionCostsAdditions	402700000	USD
CY2015	us-gaap	Deferred Policy Acquisition Costs Additions DeferredPolicyAcquisitionCostsAdditions	420700000	USD
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CY2014	us-gaap	Deferred Policy Acquisition Costs Period Increase Decrease DeferredPolicyAcquisitionCostsPeriodIncreaseDecrease	38100000	USD
CY2015	us-gaap	Deferred Policy Acquisition Costs Period Increase Decrease DeferredPolicyAcquisitionCostsPeriodIncreaseDecrease	24600000	USD
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CY2014Q4	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	467200000	USD
CY2015Q4	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	483300000	USD
CY2013Q4	us-gaap	Deferred Tax Assets Liabilities Net DeferredTaxAssetsLiabilitiesNet	48400000	USD
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CY2015Q4	us-gaap	Deferred Tax Assets Liabilities Net DeferredTaxAssetsLiabilitiesNet	154500000	USD
CY2013Q4	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	435700000	USD
CY2014Q4	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	457600000	USD
CY2015Q4	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	483300000	USD
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CY2014Q4	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	38400000	USD
CY2015Q4	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	35500000	USD
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CY2014Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Pensions DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPensions	75800000	USD
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CY2014Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	9600000	USD
CY2015Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	0	USD
CY2013Q4	us-gaap	Deferred Tax Liabilities DeferredTaxLiabilities	387100000	USD
CY2014Q4	us-gaap	Deferred Tax Liabilities DeferredTaxLiabilities	420600000	USD
CY2015Q4	us-gaap	Deferred Tax Liabilities DeferredTaxLiabilities	328900000	USD
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CY2015Q4	us-gaap	Deferred Tax Liabilities Deferred Expense Deferred Policy Acquisition Cost DeferredTaxLiabilitiesDeferredExpenseDeferredPolicyAcquisitionCost	84800000	USD
CY2013Q4	us-gaap	Deferred Tax Liabilities Other DeferredTaxLiabilitiesOther	30600000	USD
CY2014Q4	us-gaap	Deferred Tax Liabilities Other DeferredTaxLiabilitiesOther	31900000	USD
CY2015Q4	us-gaap	Deferred Tax Liabilities Other DeferredTaxLiabilitiesOther	31900000	USD
CY2013Q4	us-gaap	Deferred Tax Liabilities Unrealized Gains On Trading Securities DeferredTaxLiabilitiesUnrealizedGainsOnTradingSecurities	220500000	USD
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CY2014	us-gaap	Depreciation Depreciation	26100000	USD
CY2015	us-gaap	Depreciation Depreciation	26600000	USD
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CY2014Q4	us-gaap	Dividends Receivable DividendsReceivable	281100000	USD
CY2015Q4	us-gaap	Dividends Receivable DividendsReceivable	326000000	USD
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CY2014	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	0.003
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CY2015	us-gaap	Effective Income Tax Rate Reconciliation Tax Exempt Income EffectiveIncomeTaxRateReconciliationTaxExemptIncome	0.001
CY2013	us-gaap	Employee Service Share Based Compensation Cash Received From Exercise Of Stock Options EmployeeServiceShareBasedCompensationCashReceivedFromExerciseOfStockOptions	10900000	USD
CY2014	us-gaap	Employee Service Share Based Compensation Cash Received From Exercise Of Stock Options EmployeeServiceShareBasedCompensationCashReceivedFromExerciseOfStockOptions	4800000	USD
CY2015	us-gaap	Employee Service Share Based Compensation Cash Received From Exercise Of Stock Options EmployeeServiceShareBasedCompensationCashReceivedFromExerciseOfStockOptions	11100000	USD
CY2015Q4	us-gaap	Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized	2200000	USD
CY2013	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	500000	USD
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CY2013	us-gaap	Employee Service Share Based Compensation Tax Benefit Realized From Exercise Of Stock Options EmployeeServiceShareBasedCompensationTaxBenefitRealizedFromExerciseOfStockOptions	1100000	USD
CY2014	us-gaap	Employee Service Share Based Compensation Tax Benefit Realized From Exercise Of Stock Options EmployeeServiceShareBasedCompensationTaxBenefitRealizedFromExerciseOfStockOptions	600000	USD
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CY2014Q4	us-gaap	Equity Method Investments EquityMethodInvestments	17700000	USD
CY2015Q4	us-gaap	Equity Method Investments EquityMethodInvestments	27700000	USD
CY2014Q4	us-gaap	Funds Held Under Reinsurance Agreements Asset FundsHeldUnderReinsuranceAgreementsAsset	148700000	USD
CY2015Q4	us-gaap	Funds Held Under Reinsurance Agreements Asset FundsHeldUnderReinsuranceAgreementsAsset	129000000	USD
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CY2014	us-gaap	Gain Loss On Investments GainLossOnInvestments	272300000	USD
CY2015	us-gaap	Gain Loss On Investments GainLossOnInvestments	91300000	USD
CY2013Q4	us-gaap	Goodwill Goodwill	160700000	USD
CY2014Q4	us-gaap	Goodwill Goodwill	160700000	USD
CY2015Q4	us-gaap	Goodwill Goodwill	160700000	USD
CY2014	us-gaap	Goodwill Acquired During Period GoodwillAcquiredDuringPeriod	0	USD
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CY2015Q4	us-gaap	Held To Maturity Securities HeldToMaturitySecurities	355800000	USD
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CY2015Q4	us-gaap	Held To Maturity Securities Debt Maturities After Ten Years Fair Value HeldToMaturitySecuritiesDebtMaturitiesAfterTenYearsFairValue	21100000	USD
CY2015Q4	us-gaap	Held To Maturity Securities Debt Maturities After Ten Years Net Carrying Amount HeldToMaturitySecuritiesDebtMaturitiesAfterTenYearsNetCarryingAmount	20800000	USD
CY2015Q4	us-gaap	Held To Maturity Securities Debt Maturities Within One Year Fair Value HeldToMaturitySecuritiesDebtMaturitiesWithinOneYearFairValue	0	USD
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CY2014Q4	us-gaap	Held To Maturity Securities Fair Value HeldToMaturitySecuritiesFairValue	0	USD
CY2015Q4	us-gaap	Held To Maturity Securities Fair Value HeldToMaturitySecuritiesFairValue	359700000	USD
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CY2015	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	631800000	USD
CY2013	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	225000000	USD
CY2014	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	199700000	USD
CY2015	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	209600000	USD
CY2014Q4	us-gaap	Income Tax Receivable IncomeTaxReceivable	29200000	USD
CY2015Q4	us-gaap	Income Tax Receivable IncomeTaxReceivable	26500000	USD
CY2013	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	122300000	USD
CY2014	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	67300000	USD
CY2015	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	198500000	USD
CY2013	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	67300000	USD
CY2014	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	36100000	USD
CY2015	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	96800000	USD
CY2013	us-gaap	Increase Decrease In Deferred Policy Acquisition Costs IncreaseDecreaseInDeferredPolicyAcquisitionCosts	27900000	USD
CY2014	us-gaap	Increase Decrease In Deferred Policy Acquisition Costs IncreaseDecreaseInDeferredPolicyAcquisitionCosts	39000000	USD
CY2015	us-gaap	Increase Decrease In Deferred Policy Acquisition Costs IncreaseDecreaseInDeferredPolicyAcquisitionCosts	24100000	USD
CY2013	us-gaap	Increase Decrease In Funds Held Under Reinsurance Agreements IncreaseDecreaseInFundsHeldUnderReinsuranceAgreements	-55500000	USD
CY2014	us-gaap	Increase Decrease In Funds Held Under Reinsurance Agreements IncreaseDecreaseInFundsHeldUnderReinsuranceAgreements	-70600000	USD
CY2015	us-gaap	Increase Decrease In Funds Held Under Reinsurance Agreements IncreaseDecreaseInFundsHeldUnderReinsuranceAgreements	-27300000	USD
CY2013	us-gaap	Increase Decrease In Loss And Loss Adjustment Expense Reserve IncreaseDecreaseInLossAndLossAdjustmentExpenseReserve	-141200000	USD
CY2014	us-gaap	Increase Decrease In Loss And Loss Adjustment Expense Reserve IncreaseDecreaseInLossAndLossAdjustmentExpenseReserve	480600000	USD
CY2015	us-gaap	Increase Decrease In Loss And Loss Adjustment Expense Reserve IncreaseDecreaseInLossAndLossAdjustmentExpenseReserve	-214400000	USD
CY2013	us-gaap	Increase Decrease In Other Policyholder Funds IncreaseDecreaseInOtherPolicyholderFunds	102900000	USD
CY2014	us-gaap	Increase Decrease In Other Policyholder Funds IncreaseDecreaseInOtherPolicyholderFunds	104400000	USD
CY2015	us-gaap	Increase Decrease In Other Policyholder Funds IncreaseDecreaseInOtherPolicyholderFunds	69600000	USD
CY2013	us-gaap	Increase Decrease In Premiums Receivable IncreaseDecreaseInPremiumsReceivable	55900000	USD
CY2014	us-gaap	Increase Decrease In Premiums Receivable IncreaseDecreaseInPremiumsReceivable	97200000	USD
CY2015	us-gaap	Increase Decrease In Premiums Receivable IncreaseDecreaseInPremiumsReceivable	22600000	USD
CY2015	us-gaap	Incremental Common Shares Attributable To Conversion Of Debt Securities IncrementalCommonSharesAttributableToConversionOfDebtSecurities	35598805	shares
CY2013	us-gaap	Increase Decrease In Prepaid Taxes IncreaseDecreaseInPrepaidTaxes	0	USD
CY2014	us-gaap	Increase Decrease In Prepaid Taxes IncreaseDecreaseInPrepaidTaxes	45700000	USD
CY2015	us-gaap	Increase Decrease In Prepaid Taxes IncreaseDecreaseInPrepaidTaxes	17500000	USD
CY2013	us-gaap	Incremental Common Shares Attributable To Conversion Of Debt Securities IncrementalCommonSharesAttributableToConversionOfDebtSecurities	35455956	shares
CY2014	us-gaap	Incremental Common Shares Attributable To Conversion Of Debt Securities IncrementalCommonSharesAttributableToConversionOfDebtSecurities	35515026	shares
CY2013	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	784080	shares
CY2014	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	1004518	shares
CY2015	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	988091	shares
CY2014Q1	us-gaap	Insurance Services Revenue InsuranceServicesRevenue	1156500000	USD
CY2014Q2	us-gaap	Insurance Services Revenue InsuranceServicesRevenue	1198400000	USD
CY2014Q3	us-gaap	Insurance Services Revenue InsuranceServicesRevenue	1283300000	USD
CY2014Q4	us-gaap	Insurance Services Revenue InsuranceServicesRevenue	1274200000	USD
CY2015Q1	us-gaap	Insurance Services Revenue InsuranceServicesRevenue	1219800000	USD
CY2015Q2	us-gaap	Insurance Services Revenue InsuranceServicesRevenue	1300000000	USD
CY2015Q3	us-gaap	Insurance Services Revenue InsuranceServicesRevenue	1399900000	USD
CY2015Q4	us-gaap	Insurance Services Revenue InsuranceServicesRevenue	1366000000	USD
CY2013	us-gaap	Interest Expense Debt InterestExpenseDebt	23100000	USD
CY2014	us-gaap	Interest Expense Debt InterestExpenseDebt	28300000	USD
CY2015	us-gaap	Interest Expense Debt InterestExpenseDebt	42900000	USD
CY2013	us-gaap	Interest On Convertible Debt Net Of Tax InterestOnConvertibleDebtNetOfTax	14600000	USD
CY2014	us-gaap	Interest On Convertible Debt Net Of Tax InterestOnConvertibleDebtNetOfTax	14600000	USD
CY2015	us-gaap	Interest On Convertible Debt Net Of Tax InterestOnConvertibleDebtNetOfTax	14600000	USD
CY2013	us-gaap	Interest Paid Net InterestPaidNet	21300000	USD
CY2014	us-gaap	Interest Paid Net InterestPaidNet	21200000	USD
CY2015	us-gaap	Interest Paid Net InterestPaidNet	40800000	USD
CY2013	us-gaap	Investment Income Investment Expense InvestmentIncomeInvestmentExpense	4900000	USD
CY2014	us-gaap	Investment Income Investment Expense InvestmentIncomeInvestmentExpense	3700000	USD
CY2015	us-gaap	Investment Income Investment Expense InvestmentIncomeInvestmentExpense	3400000	USD
CY2014Q4	us-gaap	Investments Investments	11068800000	USD
CY2015Q4	us-gaap	Investments Investments	11225500000	USD
CY2013	us-gaap	Lease And Rental Expense LeaseAndRentalExpense	49700000	USD
CY2014	us-gaap	Lease And Rental Expense LeaseAndRentalExpense	51400000	USD
CY2015	us-gaap	Lease And Rental Expense LeaseAndRentalExpense	54700000	USD
CY2014Q4	us-gaap	Liabilities Liabilities	13064000000	USD
CY2015Q4	us-gaap	Liabilities Liabilities	13229600000	USD
CY2014Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	16988100000	USD
CY2015Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	17110500000	USD
CY2012Q4	us-gaap	Liability For Claims And Claims Adjustment Expense LiabilityForClaimsAndClaimsAdjustmentExpense	9303300000	USD
CY2013Q4	us-gaap	Liability For Claims And Claims Adjustment Expense LiabilityForClaimsAndClaimsAdjustmentExpense	9433500000	USD
CY2014Q4	us-gaap	Liability For Claims And Claims Adjustment Expense LiabilityForClaimsAndClaimsAdjustmentExpense	9122000000	USD
CY2015Q4	us-gaap	Liability For Claims And Claims Adjustment Expense LiabilityForClaimsAndClaimsAdjustmentExpense	9120100000	USD
CY2013	us-gaap	Liability For Unpaid Claims And Claims Adjustment Expense Claims Paid Current Year1 LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseClaimsPaidCurrentYear1	695900000	USD
CY2014	us-gaap	Liability For Unpaid Claims And Claims Adjustment Expense Claims Paid Current Year1 LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseClaimsPaidCurrentYear1	735900000	USD
CY2015	us-gaap	Liability For Unpaid Claims And Claims Adjustment Expense Claims Paid Current Year1 LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseClaimsPaidCurrentYear1	677600000	USD
CY2013	us-gaap	Liability For Unpaid Claims And Claims Adjustment Expense Claims Paid Prior Years1 LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseClaimsPaidPriorYears1	1388000000	USD
CY2014	us-gaap	Liability For Unpaid Claims And Claims Adjustment Expense Claims Paid Prior Years1 LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseClaimsPaidPriorYears1	2246500000	USD
CY2015	us-gaap	Liability For Unpaid Claims And Claims Adjustment Expense Claims Paid Prior Years1 LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseClaimsPaidPriorYears1	1493100000	USD
CY2013Q4	us-gaap	Liability For Unpaid Claims And Claims Adjustment Expense Incurred But Not Reported Ibnr Claims Amount LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseIncurredButNotReportedIBNRClaimsAmount	2651000000	USD
CY2014Q4	us-gaap	Liability For Unpaid Claims And Claims Adjustment Expense Incurred But Not Reported Ibnr Claims Amount LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseIncurredButNotReportedIBNRClaimsAmount	2843000000	USD
CY2014	us-gaap	Liability For Unpaid Claims And Claims Adjustment Expense Incurred Claims1 LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseIncurredClaims1	2500900000	USD
CY2015	us-gaap	Liability For Unpaid Claims And Claims Adjustment Expense Incurred Claims1 LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseIncurredClaims1	2443000000	USD
CY2015Q4	us-gaap	Liability For Unpaid Claims And Claims Adjustment Expense Incurred But Not Reported Ibnr Claims Amount LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseIncurredButNotReportedIBNRClaimsAmount	3015300000	USD
CY2013	us-gaap	Liability For Unpaid Claims And Claims Adjustment Expense Incurred Claims1 LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseIncurredClaims1	2224500000	USD
CY2013Q4	us-gaap	Liability For Unpaid Claims And Claims Adjustment Expense Net LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseNet	6456200000	USD
CY2014Q4	us-gaap	Liability For Unpaid Claims And Claims Adjustment Expense Net LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseNet	6596800000	USD
CY2015Q4	us-gaap	Liability For Unpaid Claims And Claims Adjustment Expense Net LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseNet	6115300000	USD
CY2015Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Next Twelve Months LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths	3500000	USD
CY2015Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Five LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive	400000000	USD
CY2015Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Four LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour	0	USD
CY2015Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Three LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree	554200000	USD
CY2015Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Two LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo	3900000	USD
CY2013	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-176900000	USD
CY2014	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	207900000	USD
CY2015	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-215200000	USD
CY2013	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-457600000	USD
CY2014	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-43300000	USD
CY2015	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-449800000	USD
CY2013	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	686700000	USD
CY2014	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	-181200000	USD
CY2015	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	688200000	USD
CY2013	us-gaap	Net Income Loss NetIncomeLoss	447800000	USD
CY2014Q1	us-gaap	Net Income Loss NetIncomeLoss	194400000	USD
CY2014Q2	us-gaap	Net Income Loss NetIncomeLoss	66100000	USD
CY2014Q3	us-gaap	Net Income Loss NetIncomeLoss	85800000	USD
CY2014Q4	us-gaap	Net Income Loss NetIncomeLoss	63300000	USD
CY2014	us-gaap	Net Income Loss NetIncomeLoss	409700000	USD
CY2015Q1	us-gaap	Net Income Loss NetIncomeLoss	103400000	USD
CY2015Q2	us-gaap	Net Income Loss NetIncomeLoss	102000000	USD
CY2015Q3	us-gaap	Net Income Loss NetIncomeLoss	125900000	USD
CY2015Q4	us-gaap	Net Income Loss NetIncomeLoss	90600000	USD
CY2015	us-gaap	Net Income Loss NetIncomeLoss	422100000	USD
CY2013	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	447800000	USD
CY2014	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	409700000	USD
CY2015	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	422100000	USD
CY2013	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	462400000	USD
CY2014	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	424300000	USD
CY2015	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	436700000	USD
CY2013	us-gaap	Net Investment Income NetInvestmentIncome	318700000	USD
CY2014	us-gaap	Net Investment Income NetInvestmentIncome	345500000	USD
CY2015	us-gaap	Net Investment Income NetInvestmentIncome	388600000	USD
CY2015Q4	us-gaap	Operating Leases Future Minimum Payments Due Current OperatingLeasesFutureMinimumPaymentsDueCurrent	52300000	USD
CY2015Q4	us-gaap	Operating Leases Future Minimum Payments Due In Five Years OperatingLeasesFutureMinimumPaymentsDueInFiveYears	21000000	USD
CY2015Q4	us-gaap	Operating Leases Future Minimum Payments Due In Four Years OperatingLeasesFutureMinimumPaymentsDueInFourYears	31400000	USD
CY2015Q4	us-gaap	Operating Leases Future Minimum Payments Due In Three Years OperatingLeasesFutureMinimumPaymentsDueInThreeYears	39700000	USD
CY2015Q4	us-gaap	Operating Leases Future Minimum Payments Due In Two Years OperatingLeasesFutureMinimumPaymentsDueInTwoYears	47100000	USD
CY2015Q4	us-gaap	Operating Leases Future Minimum Payments Due Thereafter OperatingLeasesFutureMinimumPaymentsDueThereafter	80600000	USD
CY2015Q4	us-gaap	Operating Loss Carryforwards OperatingLossCarryforwards	105200000	USD
CY2013	us-gaap	Origination Of Loans To Employee Stock Ownership Plans OriginationOfLoansToEmployeeStockOwnershipPlans	0	USD
CY2014	us-gaap	Origination Of Loans To Employee Stock Ownership Plans OriginationOfLoansToEmployeeStockOwnershipPlans	0	USD
CY2015	us-gaap	Origination Of Loans To Employee Stock Ownership Plans OriginationOfLoansToEmployeeStockOwnershipPlans	-34000000	USD
CY2014Q4	us-gaap	Other Assets OtherAssets	476800000	USD
CY2015Q4	us-gaap	Other Assets OtherAssets	484500000	USD
CY2013	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Before Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentBeforeTax	-255200000	USD
CY2014	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Before Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentBeforeTax	-31600000	USD
CY2015	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Before Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentBeforeTax	-382700000	USD
CY2013	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax	-89000000	USD
CY2014	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax	-11100000	USD
CY2015	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax	-133800000	USD
CY2013	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	-9900000	USD
CY2014	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	-12200000	USD
CY2015	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	-20100000	USD
CY2013	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-103500000	USD
CY2014	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-85800000	USD
CY2015	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-263100000	USD
CY2013	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Before Reclassification Adjustments And Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeReclassificationAdjustmentsAndTax	-104700000	USD
CY2014	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Before Reclassification Adjustments And Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeReclassificationAdjustmentsAndTax	79600000	USD
CY2015	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Before Reclassification Adjustments And Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeReclassificationAdjustmentsAndTax	-8100000	USD
CY2013	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Before Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax	-111700000	USD
CY2014	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Before Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax	81600000	USD
CY2015	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Before Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax	-9100000	USD
CY2013	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	-72600000	USD
CY2014	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	53000000	USD
CY2015	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	-5900000	USD
CY2013	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax	39100000	USD
CY2014	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax	-28500000	USD
CY2015	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax	3200000	USD
CY2013	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax	-107000000	USD
CY2014	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax	240700000	USD
CY2015	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax	-291400000	USD
CY2013	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	-166200000	USD
CY2014	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	-20400000	USD
CY2015	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	-248900000	USD
CY2013	us-gaap	Other Income OtherIncome	90100000	USD
CY2014	us-gaap	Other Income OtherIncome	101600000	USD
CY2015	us-gaap	Other Income OtherIncome	106700000	USD
CY2014Q4	us-gaap	Other Investments OtherInvestments	5500000	USD
CY2015Q4	us-gaap	Other Investments OtherInvestments	3500000	USD
CY2014Q4	us-gaap	Other Liabilities OtherLiabilities	215800000	USD
CY2015Q4	us-gaap	Other Liabilities OtherLiabilities	253900000	USD
CY2014Q4	us-gaap	Other Short Term Investments OtherShortTermInvestments	609400000	USD
CY2015Q4	us-gaap	Other Short Term Investments OtherShortTermInvestments	669400000	USD
CY2013	us-gaap	Payments For Losses And Loss Adjustment Expense PaymentsForLossesAndLossAdjustmentExpense	2083900000	USD
CY2014	us-gaap	Payments For Losses And Loss Adjustment Expense PaymentsForLossesAndLossAdjustmentExpense	2982400000	USD
CY2015	us-gaap	Payments For Losses And Loss Adjustment Expense PaymentsForLossesAndLossAdjustmentExpense	2170700000	USD
CY2013	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	400000	USD
CY2014	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	2200000	USD
CY2015	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	-1300000	USD
CY2013	us-gaap	Payments For Proceeds From Short Term Investments PaymentsForProceedsFromShortTermInvestments	-139100000	USD
CY2014	us-gaap	Payments For Proceeds From Short Term Investments PaymentsForProceedsFromShortTermInvestments	-513000000	USD
CY2015	us-gaap	Payments For Proceeds From Short Term Investments PaymentsForProceedsFromShortTermInvestments	55500000	USD
CY2013	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	184800000	USD
CY2014	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	188300000	USD
CY2015	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	191300000	USD
CY2013	us-gaap	Payments To Acquire Available For Sale Securities Debt PaymentsToAcquireAvailableForSaleSecuritiesDebt	2120800000	USD
CY2014	us-gaap	Payments To Acquire Available For Sale Securities Debt PaymentsToAcquireAvailableForSaleSecuritiesDebt	1373200000	USD
CY2015	us-gaap	Payments To Acquire Available For Sale Securities Debt PaymentsToAcquireAvailableForSaleSecuritiesDebt	1023000000	USD
CY2013	us-gaap	Payments To Acquire Available For Sale Securities Equity PaymentsToAcquireAvailableForSaleSecuritiesEquity	209500000	USD
CY2014	us-gaap	Payments To Acquire Available For Sale Securities Equity PaymentsToAcquireAvailableForSaleSecuritiesEquity	1466600000	USD
CY2015	us-gaap	Payments To Acquire Available For Sale Securities Equity PaymentsToAcquireAvailableForSaleSecuritiesEquity	486900000	USD
CY2013	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	5100000	USD
CY2014	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	2800000	USD
CY2015	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	0	USD
CY2013	us-gaap	Payments To Acquire Held To Maturity Securities PaymentsToAcquireHeldToMaturitySecurities	0	USD
CY2014	us-gaap	Payments To Acquire Held To Maturity Securities PaymentsToAcquireHeldToMaturitySecurities	0	USD
CY2015	us-gaap	Payments To Acquire Held To Maturity Securities PaymentsToAcquireHeldToMaturitySecurities	357900000	USD
CY2013	us-gaap	Payments To Acquire Other Investments PaymentsToAcquireOtherInvestments	44600000	USD
CY2014	us-gaap	Payments To Acquire Other Investments PaymentsToAcquireOtherInvestments	47600000	USD
CY2015	us-gaap	Payments To Acquire Other Investments PaymentsToAcquireOtherInvestments	46600000	USD
CY2013	us-gaap	Policyholder Benefits And Claims Incurred Net PolicyholderBenefitsAndClaimsIncurredNet	2223000000	USD
CY2014	us-gaap	Policyholder Benefits And Claims Incurred Net PolicyholderBenefitsAndClaimsIncurredNet	2500000000	USD
CY2015	us-gaap	Policyholder Benefits And Claims Incurred Net PolicyholderBenefitsAndClaimsIncurredNet	2441300000	USD
CY2013	us-gaap	Policyholder Dividends PolicyholderDividends	15200000	USD
CY2014	us-gaap	Policyholder Dividends PolicyholderDividends	14400000	USD
CY2015	us-gaap	Policyholder Dividends PolicyholderDividends	17900000	USD
CY2014Q4	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	0.01
CY2015Q4	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	0.01
CY2014Q4	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	75000000	shares
CY2015Q4	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	75000000	shares
CY2014Q4	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	0	shares
CY2015Q4	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	0	shares
CY2014Q4	us-gaap	Preferred Stock Value Outstanding PreferredStockValueOutstanding	0	USD
CY2015Q4	us-gaap	Preferred Stock Value Outstanding PreferredStockValueOutstanding	0	USD
CY2014Q4	us-gaap	Premiums And Other Receivables Net PremiumsAndOtherReceivablesNet	1287600000	USD
CY2015Q4	us-gaap	Premiums And Other Receivables Net PremiumsAndOtherReceivablesNet	1310200000	USD
CY2013	us-gaap	Premiums Earned Net PremiumsEarnedNet	4456600000	USD
CY2014	us-gaap	Premiums Earned Net PremiumsEarnedNet	4446300000	USD
CY2015	us-gaap	Premiums Earned Net PremiumsEarnedNet	4758800000	USD
CY2013	us-gaap	Premiums Percentage Assumed To Net PremiumsPercentageAssumedToNet	0.006
CY2014	us-gaap	Premiums Percentage Assumed To Net PremiumsPercentageAssumedToNet	0.007
CY2015	us-gaap	Premiums Percentage Assumed To Net PremiumsPercentageAssumedToNet	0.008
CY2014Q4	us-gaap	Prepaid Taxes PrepaidTaxes	45700000	USD
CY2015Q4	us-gaap	Prepaid Taxes PrepaidTaxes	63300000	USD
CY2013	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	11800000	USD
CY2014	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	5700000	USD
CY2015	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	12000000	USD
CY2013	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	1387400000	USD
CY2014	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	854200000	USD
CY2015	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	764100000	USD
CY2013	us-gaap	Proceeds From Other Debt ProceedsFromOtherDebt	0	USD
CY2014	us-gaap	Proceeds From Other Debt ProceedsFromOtherDebt	394400000	USD
CY2015	us-gaap	Proceeds From Other Debt ProceedsFromOtherDebt	0	USD
CY2013	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	-300000	USD
CY2014	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	400000	USD
CY2015	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	1300000	USD
CY2013	us-gaap	Proceeds From Sale And Maturity Of Other Investments ProceedsFromSaleAndMaturityOfOtherInvestments	29300000	USD
CY2014	us-gaap	Proceeds From Sale And Maturity Of Other Investments ProceedsFromSaleAndMaturityOfOtherInvestments	17400000	USD
CY2015	us-gaap	Proceeds From Sale And Maturity Of Other Investments ProceedsFromSaleAndMaturityOfOtherInvestments	32800000	USD
CY2013	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	194800000	USD
CY2014	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	847500000	USD
CY2015	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	259500000	USD
CY2013	us-gaap	Proceeds From Sale Of Available For Sale Securities Equity ProceedsFromSaleOfAvailableForSaleSecuritiesEquity	172500000	USD
CY2014	us-gaap	Proceeds From Sale Of Available For Sale Securities Equity ProceedsFromSaleOfAvailableForSaleSecuritiesEquity	617000000	USD
CY2015	us-gaap	Proceeds From Sale Of Available For Sale Securities Equity ProceedsFromSaleOfAvailableForSaleSecuritiesEquity	462400000	USD
CY2013	us-gaap	Realized Investment Gains Losses RealizedInvestmentGainsLosses	148100000	USD
CY2014	us-gaap	Realized Investment Gains Losses RealizedInvestmentGainsLosses	272300000	USD
CY2015	us-gaap	Realized Investment Gains Losses RealizedInvestmentGainsLosses	91300000	USD
CY2014Q4	us-gaap	Reinsurance Receivables Paid Losses Recoverable ReinsuranceReceivablesPaidLossesRecoverable	66900000	USD
CY2015Q4	us-gaap	Reinsurance Receivables Paid Losses Recoverable ReinsuranceReceivablesPaidLossesRecoverable	61100000	USD
CY2013	us-gaap	Repayments Of Other Debt RepaymentsOfOtherDebt	3600000	USD
CY2014	us-gaap	Repayments Of Other Debt RepaymentsOfOtherDebt	4200000	USD
CY2015	us-gaap	Repayments Of Other Debt RepaymentsOfOtherDebt	3300000	USD
CY2014Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	2706700000	USD
CY2015Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	2937500000	USD
CY2015Q4	us-gaap	Retention Payable RetentionPayable	500000	USD
CY2013	us-gaap	Revenues Revenues	5442700000	USD
CY2014Q1	us-gaap	Revenues Revenues	1430600000	USD
CY2014Q2	us-gaap	Revenues Revenues	1333900000	USD
CY2014Q3	us-gaap	Revenues Revenues	1391000000	USD
CY2014Q4	us-gaap	Revenues Revenues	1375000000	USD
CY2014	us-gaap	Revenues Revenues	5530700000	USD
CY2015Q1	us-gaap	Revenues Revenues	1330200000	USD
CY2015Q2	us-gaap	Revenues Revenues	1410000000	USD
CY2015Q3	us-gaap	Revenues Revenues	1545700000	USD
CY2015Q4	us-gaap	Revenues Revenues	1480200000	USD
CY2015	us-gaap	Revenues Revenues	5766100000	USD
CY2013	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Dividend Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate	0.0599
CY2014	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Dividend Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate	0.0475
CY2015	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Dividend Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate	0.0506
CY2013	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Volatility Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate	0.33
CY2014	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Volatility Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate	0.33
CY2015	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Volatility Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate	0.28
CY2013	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate	0.0119
CY2014	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate	0.0210
CY2015	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate	0.0170
CY2015Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Number Of Shares Authorized ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized	985000	shares
CY2013Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber	10582298	shares
CY2014Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber	9349180	shares
CY2015Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber	7870396	shares
CY2013Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice	18.03
CY2014Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice	17.44
CY2015Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice	17.17
CY2013	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	2900000	USD
CY2014	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	1700000	USD
CY2015	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	4200000	USD
CY2013	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures And Expirations In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod	1510468	shares
CY2014	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures And Expirations In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod	1972610	shares
CY2015	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures And Expirations In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod	1706259	shares
CY2013	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures And Expirations In Period Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice	15.01
CY2014	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures And Expirations In Period Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice	19.26
CY2015	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures And Expirations In Period Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice	18.69
CY2013	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod	922500	shares
CY2014	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod	1085000	shares
CY2015	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod	991750	shares
CY2013	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue	1.94
CY2014	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue	3.15
CY2015	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue	2.25
CY2012Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	14293149	shares
CY2013Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	12807272	shares
CY2014Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	11510433	shares
CY2015Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	9875574	shares
CY2012Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	16.75
CY2013Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	16.97
CY2014Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	16.67
CY2015Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	16.60
CY2013	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice	12.22
CY2014	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice	11.85
CY2015	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice	12.14
CY2013	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice	12.57
CY2014	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice	16.06
CY2015	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice	15.26
CY2013	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Fair Value Assumptions Expected Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1	P7Y
CY2014	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Fair Value Assumptions Expected Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1	P7Y
CY2015	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Fair Value Assumptions Expected Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1	P7Y
CY2015	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Weighted Average Remaining Contractual Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1	P3Y
CY2015Q4	us-gaap	Statutory Accounting Practices Statutory Amount Available For Dividend Payments Without Regulatory Approval StatutoryAccountingPracticesStatutoryAmountAvailableForDividendPaymentsWithoutRegulatoryApproval	493800000	USD
CY2013	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	897909	shares
CY2014	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	409229	shares
CY2015	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	920350	shares
CY2014Q4	us-gaap	Stockholders Equity StockholdersEquity	3924000000	USD
CY2015Q4	us-gaap	Stockholders Equity StockholdersEquity	3880800000	USD
CY2015Q4	us-gaap	Summary Of Investments Other Than Investments In Related Parties Carrying Amount SummaryOfInvestmentsOtherThanInvestmentsInRelatedPartiesCarryingAmount	11225500000	USD
CY2015Q4	us-gaap	Summary Of Investments Other Than Investments In Related Parties Cost SummaryOfInvestmentsOtherThanInvestmentsInRelatedPartiesCost	11032000000	USD
CY2013	us-gaap	Supplemental Information For Property Casualty Insurance Underwriters Current Year Claims And Claims Adjustment Expense SupplementalInformationForPropertyCasualtyInsuranceUnderwritersCurrentYearClaimsAndClaimsAdjustmentExpense	2523700000	USD
CY2014	us-gaap	Supplemental Information For Property Casualty Insurance Underwriters Current Year Claims And Claims Adjustment Expense SupplementalInformationForPropertyCasualtyInsuranceUnderwritersCurrentYearClaimsAndClaimsAdjustmentExpense	2483000000	USD
CY2015	us-gaap	Supplemental Information For Property Casualty Insurance Underwriters Current Year Claims And Claims Adjustment Expense SupplementalInformationForPropertyCasualtyInsuranceUnderwritersCurrentYearClaimsAndClaimsAdjustmentExpense	2542800000	USD
CY2013	us-gaap	Supplemental Information For Property Casualty Insurance Underwriters Prior Year Claims And Claims Adjustment Expense SupplementalInformationForPropertyCasualtyInsuranceUnderwritersPriorYearClaimsAndClaimsAdjustmentExpense	-299100000	USD
CY2014	us-gaap	Supplemental Information For Property Casualty Insurance Underwriters Prior Year Claims And Claims Adjustment Expense SupplementalInformationForPropertyCasualtyInsuranceUnderwritersPriorYearClaimsAndClaimsAdjustmentExpense	17800000	USD
CY2015	us-gaap	Supplemental Information For Property Casualty Insurance Underwriters Prior Year Claims And Claims Adjustment Expense SupplementalInformationForPropertyCasualtyInsuranceUnderwritersPriorYearClaimsAndClaimsAdjustmentExpense	-99700000	USD
CY2013	us-gaap	Supplementary Insurance Information Amortization Of Deferred Policy Acquisition Costs SupplementaryInsuranceInformationAmortizationOfDeferredPolicyAcquisitionCosts	331900000	USD
CY2014	us-gaap	Supplementary Insurance Information Amortization Of Deferred Policy Acquisition Costs SupplementaryInsuranceInformationAmortizationOfDeferredPolicyAcquisitionCosts	364600000	USD
CY2015	us-gaap	Supplementary Insurance Information Amortization Of Deferred Policy Acquisition Costs SupplementaryInsuranceInformationAmortizationOfDeferredPolicyAcquisitionCosts	396100000	USD
CY2013	us-gaap	Supplementary Insurance Information Benefits Claims Losses And Settlement Expense SupplementaryInsuranceInformationBenefitsClaimsLossesAndSettlementExpense	2238300000	USD
CY2014	us-gaap	Supplementary Insurance Information Benefits Claims Losses And Settlement Expense SupplementaryInsuranceInformationBenefitsClaimsLossesAndSettlementExpense	2514500000	USD
CY2015	us-gaap	Supplementary Insurance Information Benefits Claims Losses And Settlement Expense SupplementaryInsuranceInformationBenefitsClaimsLossesAndSettlementExpense	2459300000	USD
CY2013Q4	us-gaap	Supplementary Insurance Information Deferred Policy Acquisition Costs SupplementaryInsuranceInformationDeferredPolicyAcquisitionCosts	192600000	USD
CY2014Q4	us-gaap	Supplementary Insurance Information Deferred Policy Acquisition Costs SupplementaryInsuranceInformationDeferredPolicyAcquisitionCosts	230800000	USD
CY2015Q4	us-gaap	Supplementary Insurance Information Deferred Policy Acquisition Costs SupplementaryInsuranceInformationDeferredPolicyAcquisitionCosts	255400000	USD
CY2013Q4	us-gaap	Supplementary Insurance Information Liability For Future Policy Benefits Losses Claims And Loss Expense Reserves SupplementaryInsuranceInformationLiabilityForFuturePolicyBenefitsLossesClaimsAndLossExpenseReserves	9433500000	USD
CY2014Q4	us-gaap	Supplementary Insurance Information Liability For Future Policy Benefits Losses Claims And Loss Expense Reserves SupplementaryInsuranceInformationLiabilityForFuturePolicyBenefitsLossesClaimsAndLossExpenseReserves	9122000000	USD
CY2015Q4	us-gaap	Supplementary Insurance Information Liability For Future Policy Benefits Losses Claims And Loss Expense Reserves SupplementaryInsuranceInformationLiabilityForFuturePolicyBenefitsLossesClaimsAndLossExpenseReserves	9120100000	USD
CY2013	us-gaap	Supplementary Insurance Information Net Investment Income SupplementaryInsuranceInformationNetInvestmentIncome	318700000	USD
CY2014	us-gaap	Supplementary Insurance Information Net Investment Income SupplementaryInsuranceInformationNetInvestmentIncome	345500000	USD
CY2015	us-gaap	Supplementary Insurance Information Net Investment Income SupplementaryInsuranceInformationNetInvestmentIncome	388600000	USD
CY2013	us-gaap	Supplementary Insurance Information Other Operating Expense SupplementaryInsuranceInformationOtherOperatingExpense	2199400000	USD
CY2014	us-gaap	Supplementary Insurance Information Other Operating Expense SupplementaryInsuranceInformationOtherOperatingExpense	2042000000	USD
CY2015	us-gaap	Supplementary Insurance Information Other Operating Expense SupplementaryInsuranceInformationOtherOperatingExpense	2278900000	USD
CY2013Q4	us-gaap	Supplementary Insurance Information Other Policy Claims And Benefits Payable SupplementaryInsuranceInformationOtherPolicyClaimsAndBenefitsPayable	207800000	USD
CY2014Q4	us-gaap	Supplementary Insurance Information Other Policy Claims And Benefits Payable SupplementaryInsuranceInformationOtherPolicyClaimsAndBenefitsPayable	205000000	USD
CY2015Q4	us-gaap	Supplementary Insurance Information Other Policy Claims And Benefits Payable SupplementaryInsuranceInformationOtherPolicyClaimsAndBenefitsPayable	196400000	USD
CY2013	us-gaap	Supplementary Insurance Information Premium Revenue SupplementaryInsuranceInformationPremiumRevenue	4456600000	USD
CY2014	us-gaap	Supplementary Insurance Information Premium Revenue SupplementaryInsuranceInformationPremiumRevenue	4446300000	USD
CY2015	us-gaap	Supplementary Insurance Information Premium Revenue SupplementaryInsuranceInformationPremiumRevenue	4758800000	USD
CY2013	us-gaap	Supplementary Insurance Information Premiums Written SupplementaryInsuranceInformationPremiumsWritten	4533600000	USD
CY2014	us-gaap	Supplementary Insurance Information Premiums Written SupplementaryInsuranceInformationPremiumsWritten	4553100000	USD
CY2015	us-gaap	Supplementary Insurance Information Premiums Written SupplementaryInsuranceInformationPremiumsWritten	4824100000	USD
CY2013Q4	us-gaap	Supplementary Insurance Information Unearned Premiums SupplementaryInsuranceInformationUnearnedPremiums	1487800000	USD
CY2014Q4	us-gaap	Supplementary Insurance Information Unearned Premiums SupplementaryInsuranceInformationUnearnedPremiums	1627700000	USD
CY2015Q4	us-gaap	Supplementary Insurance Information Unearned Premiums SupplementaryInsuranceInformationUnearnedPremiums	1748700000	USD
CY2014Q4	us-gaap	Unearned Premiums UnearnedPremiums	1627700000	USD
CY2015Q4	us-gaap	Unearned Premiums UnearnedPremiums	1748700000	USD
CY2013	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	293684035	shares
CY2014Q1	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	294513903	shares
CY2014Q2	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	295051774	shares
CY2014Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	295049613	shares
CY2014Q4	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	295166316	shares
CY2014	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	295073206	shares
CY2015Q1	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	295547223	shares
CY2015Q2	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	295987501	shares
CY2015Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	295868117	shares
CY2015Q4	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	295206909	shares
CY2015	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	296088963	shares
CY2013	us-gaap	Weighted Average Number Of Shares Issued Basic WeightedAverageNumberOfSharesIssuedBasic	257443999	shares
CY2014	us-gaap	Weighted Average Number Of Shares Issued Basic WeightedAverageNumberOfSharesIssuedBasic	258553662	shares
CY2015	us-gaap	Weighted Average Number Of Shares Issued Basic WeightedAverageNumberOfSharesIssuedBasic	259502067	shares
CY2013	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	257443999	shares
CY2014Q1	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	257933928	shares
CY2014Q2	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	258379076	shares
CY2014Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	258607162	shares
CY2014Q4	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	258812995	shares
CY2014	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	258553662	shares
CY2015Q1	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	259118634	shares
CY2015Q2	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	259468711	shares
CY2015Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	259266696	shares
CY2015Q4	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	258257224	shares
CY2015	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	259502067	shares

Files In Submission

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$ORI
OLD REPUBLIC INTERNATIONAL CORP Stock $ori

2014 Q4 Form 10-K Financial Statement

#000007426016000082 Filed on February 29, 2016

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$ORI OLD REPUBLIC INTERNATIONAL CORP Stock $ori

2014 Q4 Form 10-K Financial Statement

#000007426016000082 Filed on February 29, 2016

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$ORI
OLD REPUBLIC INTERNATIONAL CORP Stock $ori