$KMPR
Kemper Corp Stock $kmpr

$kmpr Overview Financials Valuation SEC Filings Company Website

2012 Q4 Form 10-K Financial Statement

#000086074814000026 Filed on February 14, 2014

Income Statement

Concept	2012 Q4	2012 Q3	2012 Q2
Revenue	$596.6M	$645.6M	$608.9M
YoY Change	-2.72%	8.91%	-5.99%
Cost Of Revenue	$413.0M	$368.7M	$423.8M
YoY Change	9.64%	-7.73%	-11.17%
Gross Profit	$183.6M	$276.9M	$185.1M
YoY Change	-22.4%	43.32%	8.5%
Gross Profit Margin	30.77%	42.89%	30.4%
Selling, General & Admin
YoY Change
% of Gross Profit
Research & Development
YoY Change
% of Gross Profit
Depreciation & Amortization	$6.300M	$6.700M	$5.000M
YoY Change	90.91%	4.69%	-23.08%
% of Gross Profit	3.43%	2.42%	2.7%
Operating Expenses	$602.6M	$564.1M	$612.4M
YoY Change	3.5%	-5.64%	-8.41%
Operating Profit	-$419.0M	$33.80M	-$7.200M
YoY Change	21.24%	704.76%	-80.75%
Interest Expense	-$20.10M	-$22.70M	-$20.90M
YoY Change	-8.22%	6.07%	0.0%
% of Operating Profit		-67.16%
Other Income/Expense, Net	$169.5M	$172.7M	$167.7M
YoY Change	-0.35%	-2.32%	-1.7%
Pretax Income	-$6.000M	$81.50M	-$3.500M
YoY Change	-118.35%	-10287.5%	-78.92%
Income Tax	-$4.300M	$25.90M	-$5.100M
% Of Pretax Income		31.78%
Net Earnings	$1.900M	$55.60M	$2.300M
YoY Change	-92.18%	2680.0%	-169.7%
Net Earnings / Revenue	0.32%	8.61%	0.38%
Basic Earnings Per Share	$0.03	$0.95	$0.04
Diluted Earnings Per Share	$0.03	$0.95	$0.04
COMMON SHARES
Basic Shares Outstanding	58.35M shares	58.30M shares	59.20M shares
Diluted Shares Outstanding		58.47M shares	59.33M shares

Balance Sheet

Concept	2012 Q4	2012 Q3	2012 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	$206.0M	$208.0M	$207.0M
YoY Change	-5.94%	-65.56%	-65.03%
LONG-TERM ASSETS
Property, Plant & Equipment
YoY Change
Goodwill	$311.8M	$311.8M	$311.8M
YoY Change	0.0%	0.0%	0.0%
Intangibles
YoY Change
Long-Term Investments	$6.460B	$6.336B	$6.294B
YoY Change	3.81%	4.49%	1.96%
Other Assets	$5.000M	$0.00	$10.00M
YoY Change	-16.67%	-100.0%	-75.61%
Total Long-Term Assets	$7.803B	$7.913B	$7.800B
YoY Change	1.13%	4.16%	2.77%
TOTAL ASSETS
Total Short-Term Assets	$206.0M	$208.0M	$207.0M
Total Long-Term Assets	$7.803B	$7.913B	$7.800B
Total Assets	$8.009B	$8.121B	$8.007B
YoY Change	0.94%	-0.97%	-2.14%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable
YoY Change
Accrued Expenses	$431.0M	$440.0M	$416.0M
YoY Change	6.95%	12.53%	-24.09%
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	$453.0M	$499.0M	$441.0M
YoY Change	10.76%	8.48%	-23.04%
LONG-TERM LIABILITIES
Long-Term Debt	$611.0M	$611.0M	$611.0M
YoY Change	0.0%	-9.48%	0.16%
Other Long-Term Liabilities
YoY Change
Total Long-Term Liabilities	$611.0M	$611.0M	$611.0M
YoY Change	0.0%	-9.48%	0.16%
TOTAL LIABILITIES
Total Short-Term Liabilities	$453.0M	$499.0M	$441.0M
Total Long-Term Liabilities	$611.0M	$611.0M	$611.0M
Total Liabilities	$5.847B	$5.916B	$5.858B
YoY Change	0.5%	-1.07%	-3.1%
SHAREHOLDERS EQUITY
Retained Earnings	$1.118B	$1.131B	$1.102B
YoY Change	0.86%	-5.81%	-9.0%
Common Stock	$725.0M	$722.8M	$729.7M
YoY Change	-3.32%	-3.82%	-2.73%
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity	$2.162B	$2.205B	$2.149B
YoY Change
Total Liabilities & Shareholders Equity	$8.009B	$8.121B	$8.007B
YoY Change	0.94%	-0.97%	-2.14%

Cashflow Statement

Concept	2012 Q4	2012 Q3	2012 Q2
OPERATING ACTIVITIES
Net Income	$1.900M	$55.60M	$2.300M
YoY Change	-92.18%	2680.0%	-169.7%
Depreciation, Depletion And Amortization	$6.300M	$6.700M	$5.000M
YoY Change	90.91%	4.69%	-23.08%
Cash From Operating Activities	-$33.90M	$42.90M	$1.100M
YoY Change	127.52%	-237.06%	-102.12%
INVESTING ACTIVITIES
Capital Expenditures		-$6.100M	-$6.700M
YoY Change
Acquisitions
YoY Change
Other Investing Activities	-$194.0M	$64.80M	$161.6M
YoY Change	61.67%	-80.21%	-43.99%
Cash From Investing Activities	-$173.1M	$58.70M	$154.9M
YoY Change	44.25%	-82.08%	-46.31%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	-15.40M	-32.40M	-35.20M
YoY Change	-81.86%	-163.53%	-81.49%
NET CHANGE
Cash From Operating Activities	-33.90M	42.90M	1.100M
Cash From Investing Activities	-173.1M	58.70M	154.9M
Cash From Financing Activities	-15.40M	-32.40M	-35.20M
Net Change In Cash	-222.4M	69.20M	120.8M
YoY Change	1.18%	-80.07%	160.91%
FREE CASH FLOW
Cash From Operating Activities	-$33.90M	$42.90M	$1.100M
Capital Expenditures		-$6.100M	-$6.700M
Free Cash Flow		$49.00M	$7.800M
YoY Change

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
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CY2012Q4	us-gaap	Accumulated Other Comprehensive Income Loss Other Than Temporary Impairment Not Credit Loss Net Of Tax Availableforsale Debt Securities AccumulatedOtherComprehensiveIncomeLossOtherThanTemporaryImpairmentNotCreditLossNetOfTaxAvailableforsaleDebtSecurities	-1400000	USD
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CY2013	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	5500000	USD
CY2011	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	5300000	USD
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CY2013Q4	us-gaap	Deferred Tax Liabilities DeferredTaxLiabilities	262800000	USD
CY2012Q4	us-gaap	Deferred Tax Liabilities DeferredTaxLiabilities	396800000	USD
CY2013Q4	us-gaap	Deferred Tax Liabilities Deferred Expense Deferred Policy Acquisition Cost DeferredTaxLiabilitiesDeferredExpenseDeferredPolicyAcquisitionCost	106000000	USD
CY2012Q4	us-gaap	Deferred Tax Liabilities Deferred Expense Deferred Policy Acquisition Cost DeferredTaxLiabilitiesDeferredExpenseDeferredPolicyAcquisitionCost	104100000	USD
CY2013Q4	us-gaap	Deferred Tax Liabilities Goodwill And Intangible Assets DeferredTaxLiabilitiesGoodwillAndIntangibleAssets	26800000	USD
CY2012Q4	us-gaap	Deferred Tax Liabilities Goodwill And Intangible Assets DeferredTaxLiabilitiesGoodwillAndIntangibleAssets	23500000	USD
CY2013Q4	us-gaap	Deferred Tax Liabilities Investments DeferredTaxLiabilitiesInvestments	80000000	USD
CY2012Q4	us-gaap	Deferred Tax Liabilities Investments DeferredTaxLiabilitiesInvestments	208400000	USD
CY2013Q4	us-gaap	Deferred Tax Liabilities Other DeferredTaxLiabilitiesOther	3800000	USD
CY2012Q4	us-gaap	Deferred Tax Liabilities Other DeferredTaxLiabilitiesOther	6300000	USD
CY2012Q4	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	29300000	USD
CY2013Q4	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	26000000	USD
CY2013	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	7300000	USD
CY2012	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	7800000	USD
CY2011	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	7300000	USD
CY2013	us-gaap	Depreciation Depreciation	17400000	USD
CY2012	us-gaap	Depreciation Depreciation	15300000	USD
CY2011	us-gaap	Depreciation Depreciation	10900000	USD
CY2012	us-gaap	Direct Premiums Earned DirectPremiumsEarned	2105600000	USD
CY2011	us-gaap	Direct Premiums Earned DirectPremiumsEarned	2170600000	USD
CY2013	us-gaap	Direct Premiums Earned DirectPremiumsEarned	2007000000	USD
CY2012	us-gaap	Direct Premiums Life Insurance In Force DirectPremiumsLifeInsuranceInForce	21340400000	USD
CY2011	us-gaap	Direct Premiums Life Insurance In Force DirectPremiumsLifeInsuranceInForce	21627800000	USD
CY2013	us-gaap	Direct Premiums Life Insurance In Force DirectPremiumsLifeInsuranceInForce	21006000000	USD
CY2012	us-gaap	Discontinued Operation Gain Loss From Disposal Of Discontinued Operation Before Income Tax DiscontinuedOperationGainLossFromDisposalOfDiscontinuedOperationBeforeIncomeTax	12900000	USD
CY2013	us-gaap	Discontinued Operation Gain Loss From Disposal Of Discontinued Operation Before Income Tax DiscontinuedOperationGainLossFromDisposalOfDiscontinuedOperationBeforeIncomeTax	0	USD
CY2011	us-gaap	Discontinued Operation Gain Loss From Disposal Of Discontinued Operation Before Income Tax DiscontinuedOperationGainLossFromDisposalOfDiscontinuedOperationBeforeIncomeTax	4500000	USD
CY2013	us-gaap	Discontinued Operation Income Loss From Discontinued Operation Before Income Tax DiscontinuedOperationIncomeLossFromDiscontinuedOperationBeforeIncomeTax	4900000	USD
CY2012	us-gaap	Discontinued Operation Income Loss From Discontinued Operation Before Income Tax DiscontinuedOperationIncomeLossFromDiscontinuedOperationBeforeIncomeTax	18900000	USD
CY2011	us-gaap	Discontinued Operation Income Loss From Discontinued Operation Before Income Tax DiscontinuedOperationIncomeLossFromDiscontinuedOperationBeforeIncomeTax	19500000	USD
CY2011	us-gaap	Discontinued Operation Tax Effect Of Discontinued Operation DiscontinuedOperationTaxEffectOfDiscontinuedOperation	6700000	USD
CY2012	us-gaap	Discontinued Operation Tax Effect Of Discontinued Operation DiscontinuedOperationTaxEffectOfDiscontinuedOperation	7300000	USD
CY2013	us-gaap	Discontinued Operation Tax Effect Of Discontinued Operation DiscontinuedOperationTaxEffectOfDiscontinuedOperation	1700000	USD
CY2013	us-gaap	Disposal Group Including Discontinued Operation Other Income DisposalGroupIncludingDiscontinuedOperationOtherIncome	0	USD
CY2011	us-gaap	Disposal Group Including Discontinued Operation Other Income DisposalGroupIncludingDiscontinuedOperationOtherIncome	1400000	USD
CY2012	us-gaap	Disposal Group Including Discontinued Operation Other Income DisposalGroupIncludingDiscontinuedOperationOtherIncome	0	USD
CY2013	us-gaap	Disposal Group Including Discontinued Operation Revenue DisposalGroupIncludingDiscontinuedOperationRevenue	0	USD
CY2012	us-gaap	Disposal Group Including Discontinued Operation Revenue DisposalGroupIncludingDiscontinuedOperationRevenue	12900000	USD
CY2011	us-gaap	Disposal Group Including Discontinued Operation Revenue DisposalGroupIncludingDiscontinuedOperationRevenue	38600000	USD
CY2011	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	58200000	USD
CY2012	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	56900000	USD
CY2013	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	54900000	USD
CY2011	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.23
CY2012	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.75
CY2013	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	3.81
CY2012Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.04
CY2012Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.73
CY2012Q4	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.03
CY2012Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.95
CY2013Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.24
CY2013Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.59
CY2013Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.00
CY2013Q4	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.99
CY2013	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	3.80
CY2011	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.23
CY2012Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.95
CY2012	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.74
CY2012Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.04
CY2012Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.72
CY2012Q4	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.03
CY2013Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.59
CY2013Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.23
CY2013Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.00
CY2013Q4	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.99
CY2012	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.250
CY2011	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.095
CY2013	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.318
CY2013	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.350
CY2012	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.350
CY2011	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.350
CY2011	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	-0.010
CY2013	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	0.001
CY2012	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	0.007
CY2012	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0.007
CY2011	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0.015
CY2013	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0.001
CY2011	us-gaap	Effective Income Tax Rate Reconciliation Tax Exempt Income EffectiveIncomeTaxRateReconciliationTaxExemptIncome	-0.260
CY2012	us-gaap	Effective Income Tax Rate Reconciliation Tax Exempt Income EffectiveIncomeTaxRateReconciliationTaxExemptIncome	-0.114
CY2013	us-gaap	Effective Income Tax Rate Reconciliation Tax Exempt Income EffectiveIncomeTaxRateReconciliationTaxExemptIncome	-0.034
CY2013Q4	us-gaap	Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized	5400000	USD
CY2013	us-gaap	Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized Period For Recognition1 EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1	P1Y4M24D
CY2013	us-gaap	Equity Method Investment Dividends Or Distributions EquityMethodInvestmentDividendsOrDistributions	15400000	USD
CY2011	us-gaap	Equity Method Investment Dividends Or Distributions EquityMethodInvestmentDividendsOrDistributions	0	USD
CY2012	us-gaap	Equity Method Investment Dividends Or Distributions EquityMethodInvestmentDividendsOrDistributions	15400000	USD
CY2012Q4	us-gaap	Equity Method Investment Summarized Financial Information Assets EquityMethodInvestmentSummarizedFinancialInformationAssets	3643600000	USD
CY2013Q4	us-gaap	Equity Method Investment Summarized Financial Information Assets EquityMethodInvestmentSummarizedFinancialInformationAssets	3392100000	USD
CY2013Q4	us-gaap	Equity Method Investment Summarized Financial Information Liabilities EquityMethodInvestmentSummarizedFinancialInformationLiabilities	576300000	USD
CY2012Q4	us-gaap	Equity Method Investment Summarized Financial Information Liabilities EquityMethodInvestmentSummarizedFinancialInformationLiabilities	421000000	USD
CY2013	us-gaap	Equity Method Investment Summarized Financial Information Net Income Loss EquityMethodInvestmentSummarizedFinancialInformationNetIncomeLoss	181100000	USD
CY2012	us-gaap	Equity Method Investment Summarized Financial Information Net Income Loss EquityMethodInvestmentSummarizedFinancialInformationNetIncomeLoss	134600000	USD
CY2011	us-gaap	Equity Method Investment Summarized Financial Information Net Income Loss EquityMethodInvestmentSummarizedFinancialInformationNetIncomeLoss	-13800000	USD
CY2011	us-gaap	Excess Tax Benefit From Share Based Compensation Financing Activities ExcessTaxBenefitFromShareBasedCompensationFinancingActivities	200000	USD
CY2013	us-gaap	Excess Tax Benefit From Share Based Compensation Financing Activities ExcessTaxBenefitFromShareBasedCompensationFinancingActivities	1300000	USD
CY2012	us-gaap	Excess Tax Benefit From Share Based Compensation Financing Activities ExcessTaxBenefitFromShareBasedCompensationFinancingActivities	500000	USD
CY2012	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Gain Loss Included In Earnings1 FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings1	6800000	USD
CY2013	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Gain Loss Included In Earnings1 FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings1	-10000000	USD
CY2012	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Gain Loss Included In Other Comprehensive Income Loss FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInOtherComprehensiveIncomeLoss	8900000	USD
CY2013	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Gain Loss Included In Other Comprehensive Income Loss FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInOtherComprehensiveIncomeLoss	1000000	USD
CY2012	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Purchases FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases	253400000	USD
CY2013	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Purchases FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases	270100000	USD
CY2012	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Sales FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSales	4600000	USD
CY2013	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Sales FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSales	2800000	USD
CY2012	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Settlements FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSettlements	87000000	USD
CY2013	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Settlements FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSettlements	151400000	USD
CY2012	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Transfers Into Level3 FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersIntoLevel3	900000	USD
CY2013	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Transfers Into Level3 FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersIntoLevel3	8200000	USD
CY2012	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Transfers Out Of Level3 FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersOutOfLevel3	6100000	USD
CY2013	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Transfers Out Of Level3 FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersOutOfLevel3	8800000	USD
CY2011Q4	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Value FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue	348100000	USD
CY2012Q4	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Value FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue	520400000	USD
CY2013Q4	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Value FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue	626700000	USD
CY2013	us-gaap	Gain Loss On Investments Excluding Other Than Temporary Impairments GainLossOnInvestmentsExcludingOtherThanTemporaryImpairments	99100000	USD
CY2012	us-gaap	Gain Loss On Investments Excluding Other Than Temporary Impairments GainLossOnInvestmentsExcludingOtherThanTemporaryImpairments	65400000	USD
CY2011	us-gaap	Gain Loss On Investments Excluding Other Than Temporary Impairments GainLossOnInvestmentsExcludingOtherThanTemporaryImpairments	33700000	USD
CY2012Q1	us-gaap	Gain Loss On Investments Excluding Other Than Temporary Impairments GainLossOnInvestmentsExcludingOtherThanTemporaryImpairments	4900000	USD
CY2012Q2	us-gaap	Gain Loss On Investments Excluding Other Than Temporary Impairments GainLossOnInvestmentsExcludingOtherThanTemporaryImpairments	4100000	USD
CY2012Q3	us-gaap	Gain Loss On Investments Excluding Other Than Temporary Impairments GainLossOnInvestmentsExcludingOtherThanTemporaryImpairments	50900000	USD
CY2012Q4	us-gaap	Gain Loss On Investments Excluding Other Than Temporary Impairments GainLossOnInvestmentsExcludingOtherThanTemporaryImpairments	5500000	USD
CY2013Q4	us-gaap	Gain Loss On Investments Excluding Other Than Temporary Impairments GainLossOnInvestmentsExcludingOtherThanTemporaryImpairments	20800000	USD
CY2013Q2	us-gaap	Gain Loss On Investments Excluding Other Than Temporary Impairments GainLossOnInvestmentsExcludingOtherThanTemporaryImpairments	2300000	USD
CY2013Q3	us-gaap	Gain Loss On Investments Excluding Other Than Temporary Impairments GainLossOnInvestmentsExcludingOtherThanTemporaryImpairments	49100000	USD
CY2013Q1	us-gaap	Gain Loss On Investments Excluding Other Than Temporary Impairments GainLossOnInvestmentsExcludingOtherThanTemporaryImpairments	26900000	USD
CY2013Q4	us-gaap	Goodwill Goodwill	311800000	USD
CY2012Q4	us-gaap	Goodwill Goodwill	311800000	USD
CY2013	us-gaap	Impairment Of Intangible Assets Excluding Goodwill ImpairmentOfIntangibleAssetsExcludingGoodwill	0	USD
CY2012	us-gaap	Impairment Of Intangible Assets Excluding Goodwill ImpairmentOfIntangibleAssetsExcludingGoodwill	0	USD
CY2011	us-gaap	Impairment Of Intangible Assets Excluding Goodwill ImpairmentOfIntangibleAssetsExcludingGoodwill	13500000	USD
CY2013	us-gaap	Impairment Of Intangible Assets Finitelived ImpairmentOfIntangibleAssetsFinitelived	0	USD
CY2012	us-gaap	Impairment Of Intangible Assets Finitelived ImpairmentOfIntangibleAssetsFinitelived	0	USD
CY2011	us-gaap	Impairment Of Intangible Assets Finitelived ImpairmentOfIntangibleAssetsFinitelived	13500000	USD
CY2013	us-gaap	Impairment Of Intangible Assets Indefinitelived Excluding Goodwill ImpairmentOfIntangibleAssetsIndefinitelivedExcludingGoodwill	1400000	USD
CY2011	us-gaap	Impairment Of Investments ImpairmentOfInvestments	11400000	USD
CY2013	us-gaap	Impairment Of Investments ImpairmentOfInvestments	15800000	USD
CY2012	us-gaap	Impairment Of Investments ImpairmentOfInvestments	7200000	USD
CY2012Q4	us-gaap	Impairment Of Investments ImpairmentOfInvestments	3100000	USD
CY2012Q3	us-gaap	Impairment Of Investments ImpairmentOfInvestments	3200000	USD
CY2012Q2	us-gaap	Impairment Of Investments ImpairmentOfInvestments	400000	USD
CY2012Q1	us-gaap	Impairment Of Investments ImpairmentOfInvestments	500000	USD
CY2013Q3	us-gaap	Impairment Of Investments ImpairmentOfInvestments	3500000	USD
CY2013Q2	us-gaap	Impairment Of Investments ImpairmentOfInvestments	2300000	USD
CY2013Q4	us-gaap	Impairment Of Investments ImpairmentOfInvestments	7600000	USD
CY2013Q1	us-gaap	Impairment Of Investments ImpairmentOfInvestments	2400000	USD
CY2012	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	122400000	USD
CY2013	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	314400000	USD
CY2011	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	68300000	USD
CY2013Q1	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	84600000	USD
CY2013Q2	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	46400000	USD
CY2013Q4	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	81400000	USD
CY2013Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	102000000	USD
CY2012Q2	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	-3500000	USD
CY2012	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	122400000	USD
CY2012Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	81500000	USD
CY2012Q1	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	50400000	USD
CY2012Q4	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	-6000000	USD
CY2012	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	91800000	USD
CY2013	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	214500000	USD
CY2011	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	61700000	USD
CY2012Q1	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	36300000	USD
CY2012Q3	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	55600000	USD
CY2012Q2	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	1600000	USD
CY2012Q4	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	-1700000	USD
CY2013Q2	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	32500000	USD
CY2013Q1	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	58600000	USD
CY2013Q4	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	54800000	USD
CY2013Q3	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	68600000	USD
CY2012	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	1.55
CY2013	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	3.75
CY2011	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	1.02
CY2012Q1	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	0.61
CY2012Q3	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	0.95
CY2012Q4	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	-0.03
CY2012Q2	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	0.03
CY2013Q1	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	1.00
CY2013Q3	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	1.21
CY2013Q4	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	0.98
CY2013Q2	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	0.56
CY2011	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	1.02
CY2013	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	3.74
CY2012	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	1.54
CY2012Q2	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	0.03
CY2012Q1	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	0.60
CY2012Q4	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	-0.03
CY2012Q3	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	0.95
CY2013Q4	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	0.98
CY2013Q1	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	1.00
CY2013Q2	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	0.56
CY2013Q3	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	1.21
CY2012	us-gaap	Income Loss From Discontinued Operations Net Of Tax IncomeLossFromDiscontinuedOperationsNetOfTax	11600000	USD
CY2013	us-gaap	Income Loss From Discontinued Operations Net Of Tax IncomeLossFromDiscontinuedOperationsNetOfTax	3200000	USD
CY2013Q3	us-gaap	Income Loss From Discontinued Operations Net Of Tax IncomeLossFromDiscontinuedOperationsNetOfTax	1500000	USD
CY2011	us-gaap	Income Loss From Discontinued Operations Net Of Tax IncomeLossFromDiscontinuedOperationsNetOfTax	12800000	USD
CY2012Q1	us-gaap	Income Loss From Discontinued Operations Net Of Tax IncomeLossFromDiscontinuedOperationsNetOfTax	7300000	USD
CY2012Q4	us-gaap	Income Loss From Discontinued Operations Net Of Tax IncomeLossFromDiscontinuedOperationsNetOfTax	3600000	USD
CY2012Q2	us-gaap	Income Loss From Discontinued Operations Net Of Tax IncomeLossFromDiscontinuedOperationsNetOfTax	700000	USD
CY2012Q3	us-gaap	Income Loss From Discontinued Operations Net Of Tax IncomeLossFromDiscontinuedOperationsNetOfTax	0	USD
CY2013Q1	us-gaap	Income Loss From Discontinued Operations Net Of Tax IncomeLossFromDiscontinuedOperationsNetOfTax	-200000	USD
CY2013Q2	us-gaap	Income Loss From Discontinued Operations Net Of Tax IncomeLossFromDiscontinuedOperationsNetOfTax	1500000	USD
CY2013Q4	us-gaap	Income Loss From Discontinued Operations Net Of Tax IncomeLossFromDiscontinuedOperationsNetOfTax	400000	USD
CY2011	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Basic Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare	0.21
CY2012	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Basic Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare	0.20
CY2013	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Basic Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare	0.06
CY2011	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Diluted Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare	0.21
CY2013	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Diluted Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare	0.06
CY2012	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Diluted Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare	0.20
CY2012	us-gaap	Income Tax Effects Allocated Directly To Equity Equity Transactions IncomeTaxEffectsAllocatedDirectlyToEquityEquityTransactions	100000	USD
CY2013	us-gaap	Income Tax Effects Allocated Directly To Equity Equity Transactions IncomeTaxEffectsAllocatedDirectlyToEquityEquityTransactions	-200000	USD
CY2011	us-gaap	Income Tax Effects Allocated Directly To Equity Equity Transactions IncomeTaxEffectsAllocatedDirectlyToEquityEquityTransactions	1000000	USD
CY2011	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	6600000	USD
CY2013	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	99900000	USD
CY2012	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	30600000	USD
CY2012Q4	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-4300000	USD
CY2012Q1	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	14100000	USD
CY2012Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	25900000	USD
CY2012Q2	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-5100000	USD
CY2013Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	33400000	USD
CY2013Q4	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	26600000	USD
CY2013Q1	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	26000000	USD
CY2013Q2	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	13900000	USD
CY2012	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	42800000	USD
CY2011	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	23900000	USD
CY2013	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	110000000	USD
CY2011	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	-600000	USD
CY2012	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	900000	USD
CY2013	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	300000	USD
CY2013	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	200000	USD
CY2011	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	1000000	USD
CY2012	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	800000	USD
CY2011	us-gaap	Income Tax Reconciliation Tax Exempt Income IncomeTaxReconciliationTaxExemptIncome	17700000	USD
CY2013	us-gaap	Income Tax Reconciliation Tax Exempt Income IncomeTaxReconciliationTaxExemptIncome	10600000	USD
CY2012	us-gaap	Income Tax Reconciliation Tax Exempt Income IncomeTaxReconciliationTaxExemptIncome	13900000	USD
CY2012	us-gaap	Income Taxes Paid IncomeTaxesPaid	52200000	USD
CY2013	us-gaap	Income Taxes Paid IncomeTaxesPaid	42400000	USD
CY2011	us-gaap	Income Taxes Paid IncomeTaxesPaid	57100000	USD
CY2013Q4	us-gaap	Income Taxes Receivable IncomeTaxesReceivable	0	USD
CY2012Q4	us-gaap	Income Taxes Receivable IncomeTaxesReceivable	5400000	USD
CY2013	us-gaap	Increase Decrease In Deferred Policy Acquisition Costs IncreaseDecreaseInDeferredPolicyAcquisitionCosts	-500000	USD
CY2011	us-gaap	Increase Decrease In Deferred Policy Acquisition Costs IncreaseDecreaseInDeferredPolicyAcquisitionCosts	7800000	USD
CY2012	us-gaap	Increase Decrease In Deferred Policy Acquisition Costs IncreaseDecreaseInDeferredPolicyAcquisitionCosts	9400000	USD
CY2013	us-gaap	Increase Decrease In Income Taxes IncreaseDecreaseInIncomeTaxes	57900000	USD
CY2012	us-gaap	Increase Decrease In Income Taxes IncreaseDecreaseInIncomeTaxes	-14900000	USD
CY2011	us-gaap	Increase Decrease In Income Taxes IncreaseDecreaseInIncomeTaxes	17200000	USD
CY2013	us-gaap	Increase Decrease In Insurance Liabilities IncreaseDecreaseInInsuranceLiabilities	-72500000	USD
CY2011	us-gaap	Increase Decrease In Insurance Liabilities IncreaseDecreaseInInsuranceLiabilities	-52100000	USD
CY2012	us-gaap	Increase Decrease In Insurance Liabilities IncreaseDecreaseInInsuranceLiabilities	-1100000	USD
CY2011	us-gaap	Increase Decrease In Other Accrued Liabilities IncreaseDecreaseInOtherAccruedLiabilities	-47500000	USD
CY2012	us-gaap	Increase Decrease In Other Accrued Liabilities IncreaseDecreaseInOtherAccruedLiabilities	-15600000	USD
CY2013	us-gaap	Increase Decrease In Other Accrued Liabilities IncreaseDecreaseInOtherAccruedLiabilities	-54800000	USD
CY2011	us-gaap	Increase Decrease In Other Operating Capital Net IncreaseDecreaseInOtherOperatingCapitalNet	-30400000	USD
CY2013	us-gaap	Increase Decrease In Other Operating Capital Net IncreaseDecreaseInOtherOperatingCapitalNet	-36100000	USD
CY2012	us-gaap	Increase Decrease In Other Operating Capital Net IncreaseDecreaseInOtherOperatingCapitalNet	-33400000	USD
CY2011	us-gaap	Increase Decrease In Other Receivables IncreaseDecreaseInOtherReceivables	200000	USD
CY2012	us-gaap	Increase Decrease In Other Receivables IncreaseDecreaseInOtherReceivables	-13900000	USD
CY2013	us-gaap	Increase Decrease In Other Receivables IncreaseDecreaseInOtherReceivables	-43500000	USD
CY2011	us-gaap	Increase Decrease In Unearned Premiums IncreaseDecreaseInUnearnedPremiums	-12400000	USD
CY2013	us-gaap	Increase Decrease In Unearned Premiums IncreaseDecreaseInUnearnedPremiums	-52000000	USD
CY2012	us-gaap	Increase Decrease In Unearned Premiums IncreaseDecreaseInUnearnedPremiums	-15200000	USD
CY2011	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	103900	shares
CY2012	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	141700	shares
CY2013	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	126700	shares
CY2012	us-gaap	Insurance Commissions InsuranceCommissions	366100000	USD
CY2011	us-gaap	Insurance Commissions InsuranceCommissions	363500000	USD
CY2013	us-gaap	Insurance Commissions InsuranceCommissions	345700000	USD
CY2013	us-gaap	Interest Costs Incurred InterestCostsIncurred	39200000	USD
CY2011	us-gaap	Interest Costs Incurred InterestCostsIncurred	39800000	USD
CY2012	us-gaap	Interest Costs Incurred InterestCostsIncurred	39800000	USD
CY2012	us-gaap	Interest Costs Incurred Capitalized InterestCostsIncurredCapitalized	-1800000	USD
CY2013	us-gaap	Interest Costs Incurred Capitalized InterestCostsIncurredCapitalized	-900000	USD
CY2011	us-gaap	Interest Costs Incurred Capitalized InterestCostsIncurredCapitalized	-2500000	USD
CY2012	us-gaap	Interest Expense Debt InterestExpenseDebt	38000000	USD
CY2013	us-gaap	Interest Expense Debt InterestExpenseDebt	38300000	USD
CY2011	us-gaap	Interest Expense Debt InterestExpenseDebt	37300000	USD
CY2012	us-gaap	Interest Paid InterestPaid	39300000	USD
CY2013	us-gaap	Interest Paid InterestPaid	37700000	USD
CY2011	us-gaap	Interest Paid InterestPaid	38400000	USD
CY2012	us-gaap	Investment Income Investment Expense InvestmentIncomeInvestmentExpense	31800000	USD
CY2011	us-gaap	Investment Income Investment Expense InvestmentIncomeInvestmentExpense	27500000	USD
CY2013	us-gaap	Investment Income Investment Expense InvestmentIncomeInvestmentExpense	25900000	USD
CY2013Q4	us-gaap	Investments Investments	6151300000	USD
CY2012Q4	us-gaap	Investments Investments	6460100000	USD
CY2013Q4	us-gaap	Investments In Affiliates Subsidiaries Associates And Joint Ventures InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures	245100000	USD
CY2012Q4	us-gaap	Investments In Affiliates Subsidiaries Associates And Joint Ventures InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures	253000000	USD
CY2012Q4	us-gaap	Liabilities Liabilities	5847400000	USD
CY2013Q4	us-gaap	Liabilities Liabilities	5604900000	USD
CY2013Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	7656400000	USD
CY2012Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	8009100000	USD
CY2013Q4	us-gaap	Liability For Claims And Claims Adjustment Expense Property Casualty Liability LiabilityForClaimsAndClaimsAdjustmentExpensePropertyCasualtyLiability	843500000	USD
CY2012Q4	us-gaap	Liability For Claims And Claims Adjustment Expense Property Casualty Liability LiabilityForClaimsAndClaimsAdjustmentExpensePropertyCasualtyLiability	970600000	USD
CY2010Q4	us-gaap	Liability For Claims And Claims Adjustment Expense Property Casualty Liability LiabilityForClaimsAndClaimsAdjustmentExpensePropertyCasualtyLiability	1118700000	USD
CY2011Q4	us-gaap	Liability For Claims And Claims Adjustment Expense Property Casualty Liability LiabilityForClaimsAndClaimsAdjustmentExpensePropertyCasualtyLiability	1029100000	USD
CY2013Q4	us-gaap	Liability For Future Policy Benefits LiabilityForFuturePolicyBenefits	3217500000	USD
CY2012Q4	us-gaap	Liability For Future Policy Benefits LiabilityForFuturePolicyBenefits	3161600000	USD
CY2012Q4	us-gaap	Liability For Future Policy Benefits And Unpaid Claims And Claims Adjustment Expense LiabilityForFuturePolicyBenefitsAndUnpaidClaimsAndClaimsAdjustmentExpense	4132200000	USD
CY2013Q4	us-gaap	Liability For Future Policy Benefits And Unpaid Claims And Claims Adjustment Expense LiabilityForFuturePolicyBenefitsAndUnpaidClaimsAndClaimsAdjustmentExpense	4061000000	USD
CY2012	us-gaap	Liability For Unpaid Claims And Claims Adjustment Expense Claims Paid LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseClaimsPaid	1271800000	USD
CY2013	us-gaap	Liability For Unpaid Claims And Claims Adjustment Expense Claims Paid LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseClaimsPaid	1116200000	USD
CY2011	us-gaap	Liability For Unpaid Claims And Claims Adjustment Expense Claims Paid LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseClaimsPaid	1391400000	USD
CY2012	us-gaap	Liability For Unpaid Claims And Claims Adjustment Expense Claims Paid Prior Years LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseClaimsPaidPriorYears	470400000	USD
CY2011	us-gaap	Liability For Unpaid Claims And Claims Adjustment Expense Claims Paid Prior Years LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseClaimsPaidPriorYears	503700000	USD
CY2013	us-gaap	Liability For Unpaid Claims And Claims Adjustment Expense Claims Paid Prior Years LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseClaimsPaidPriorYears	434000000	USD
CY2011	us-gaap	Liability For Unpaid Claims And Claims Adjustment Expense Incurred Claims LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseIncurredClaims	1305400000	USD
CY2013	us-gaap	Liability For Unpaid Claims And Claims Adjustment Expense Incurred Claims LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseIncurredClaims	991900000	USD
CY2012	us-gaap	Liability For Unpaid Claims And Claims Adjustment Expense Incurred Claims LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseIncurredClaims	1221600000	USD
CY2012	us-gaap	Liability For Unpaid Claims And Claims Adjustment Expense Incurred Claims Prior Years LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseIncurredClaimsPriorYears	-31500000	USD
CY2011	us-gaap	Liability For Unpaid Claims And Claims Adjustment Expense Incurred Claims Prior Years LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseIncurredClaimsPriorYears	-33100000	USD
CY2013	us-gaap	Liability For Unpaid Claims And Claims Adjustment Expense Incurred Claims Prior Years LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseIncurredClaimsPriorYears	-64600000	USD
CY2010Q4	us-gaap	Liability For Unpaid Claims And Claims Adjustment Expense Net LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseNet	1040600000	USD
CY2012Q4	us-gaap	Liability For Unpaid Claims And Claims Adjustment Expense Net LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseNet	904400000	USD
CY2011Q4	us-gaap	Liability For Unpaid Claims And Claims Adjustment Expense Net LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseNet	954600000	USD
CY2013Q4	us-gaap	Liability For Unpaid Claims And Claims Adjustment Expense Net LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseNet	780100000	USD
CY2011	us-gaap	Life Insurance In Force Premiums Percentage Assumed To Net LifeInsuranceInForcePremiumsPercentageAssumedToNet	0.012
CY2012	us-gaap	Life Insurance In Force Premiums Percentage Assumed To Net LifeInsuranceInForcePremiumsPercentageAssumedToNet	0.012
CY2013	us-gaap	Life Insurance In Force Premiums Percentage Assumed To Net LifeInsuranceInForcePremiumsPercentageAssumedToNet	0.011
CY2011	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-405600000	USD
CY2012	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-114400000	USD
CY2013	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-156700000	USD
CY2012	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-106200000	USD
CY2013	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	4800000	USD
CY2011	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	564600000	USD
CY2012	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	65700000	USD
CY2013	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	122100000	USD
CY2011	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	-25000000	USD
CY2011	us-gaap	Net Investment Income NetInvestmentIncome	298000000	USD
CY2013	us-gaap	Net Investment Income NetInvestmentIncome	314700000	USD
CY2012	us-gaap	Net Investment Income NetInvestmentIncome	295900000	USD
CY2012Q3	us-gaap	Net Investment Income NetInvestmentIncome	70400000	USD
CY2012Q2	us-gaap	Net Investment Income NetInvestmentIncome	75200000	USD
CY2012Q1	us-gaap	Net Investment Income NetInvestmentIncome	77400000	USD
CY2012Q4	us-gaap	Net Investment Income NetInvestmentIncome	72900000	USD
CY2013Q4	us-gaap	Net Investment Income NetInvestmentIncome	76900000	USD
CY2013Q1	us-gaap	Net Investment Income NetInvestmentIncome	80800000	USD
CY2013Q3	us-gaap	Net Investment Income NetInvestmentIncome	82400000	USD
CY2013Q2	us-gaap	Net Investment Income NetInvestmentIncome	74600000	USD
CY2013Q4	us-gaap	Notes Payable NotesPayable	606900000	USD
CY2012Q4	us-gaap	Notes Payable NotesPayable	611400000	USD
CY2013Q4	us-gaap	Notes Payable Fair Value Disclosure NotesPayableFairValueDisclosure	667100000	USD
CY2012Q4	us-gaap	Notes Payable Fair Value Disclosure NotesPayableFairValueDisclosure	675500000	USD
CY2013	us-gaap	Number Of Operating Segments NumberOfOperatingSegments	4	segments
CY2011	us-gaap	Operating Expenses OperatingExpenses	2426700000	USD
CY2013	us-gaap	Operating Expenses OperatingExpenses	2112100000	USD
CY2012	us-gaap	Operating Expenses OperatingExpenses	2339900000	USD
CY2012Q2	us-gaap	Operating Expenses OperatingExpenses	612400000	USD
CY2012Q3	us-gaap	Operating Expenses OperatingExpenses	564100000	USD
CY2012Q4	us-gaap	Operating Expenses OperatingExpenses	602600000	USD
CY2012Q1	us-gaap	Operating Expenses OperatingExpenses	560800000	USD
CY2013Q1	us-gaap	Operating Expenses OperatingExpenses	531300000	USD
CY2013Q4	us-gaap	Operating Expenses OperatingExpenses	504600000	USD
CY2013Q3	us-gaap	Operating Expenses OperatingExpenses	533700000	USD
CY2013Q2	us-gaap	Operating Expenses OperatingExpenses	542500000	USD
CY2011	us-gaap	Operating Income Loss OperatingIncomeLoss	45900000	USD
CY2012	us-gaap	Operating Income Loss OperatingIncomeLoss	63900000	USD
CY2013	us-gaap	Operating Income Loss OperatingIncomeLoss	229200000	USD
CY2013Q4	us-gaap	Operating Leases Future Minimum Payments Due OperatingLeasesFutureMinimumPaymentsDue	99800000	USD
CY2013Q4	us-gaap	Operating Leases Future Minimum Payments Due Current OperatingLeasesFutureMinimumPaymentsDueCurrent	25100000	USD
CY2013Q4	us-gaap	Operating Leases Future Minimum Payments Due In Five Years OperatingLeasesFutureMinimumPaymentsDueInFiveYears	8900000	USD
CY2013Q4	us-gaap	Operating Leases Future Minimum Payments Due In Four Years OperatingLeasesFutureMinimumPaymentsDueInFourYears	15100000	USD
CY2013Q4	us-gaap	Operating Leases Future Minimum Payments Due In Three Years OperatingLeasesFutureMinimumPaymentsDueInThreeYears	16700000	USD
CY2013Q4	us-gaap	Operating Leases Future Minimum Payments Due In Two Years OperatingLeasesFutureMinimumPaymentsDueInTwoYears	18700000	USD
CY2013Q4	us-gaap	Operating Leases Future Minimum Payments Due Thereafter OperatingLeasesFutureMinimumPaymentsDueThereafter	15300000	USD
CY2013	us-gaap	Operating Leases Rent Expense Minimum Rentals OperatingLeasesRentExpenseMinimumRentals	28300000	USD
CY2012	us-gaap	Operating Leases Rent Expense Minimum Rentals OperatingLeasesRentExpenseMinimumRentals	33200000	USD
CY2011	us-gaap	Operating Leases Rent Expense Minimum Rentals OperatingLeasesRentExpenseMinimumRentals	31500000	USD
CY2012	us-gaap	Operating Leases Rent Expense Net OperatingLeasesRentExpenseNet	30700000	USD
CY2013	us-gaap	Operating Leases Rent Expense Net OperatingLeasesRentExpenseNet	26500000	USD
CY2011	us-gaap	Operating Leases Rent Expense Net OperatingLeasesRentExpenseNet	29400000	USD
CY2012	us-gaap	Operating Leases Rent Expense Sublease Rentals1 OperatingLeasesRentExpenseSubleaseRentals1	2500000	USD
CY2011	us-gaap	Operating Leases Rent Expense Sublease Rentals1 OperatingLeasesRentExpenseSubleaseRentals1	2100000	USD
CY2013	us-gaap	Operating Leases Rent Expense Sublease Rentals1 OperatingLeasesRentExpenseSubleaseRentals1	1800000	USD
CY2013Q4	us-gaap	Other Assets OtherAssets	267400000	USD
CY2012Q4	us-gaap	Other Assets OtherAssets	256700000	USD
CY2012	us-gaap	Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Tax OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodTax	-10300000	USD
CY2011	us-gaap	Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Tax OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodTax	-19000000	USD
CY2013	us-gaap	Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Tax OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodTax	21600000	USD
CY2011	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Gain Loss Before Reclassification And Tax OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossBeforeReclassificationAndTax	400000	USD
CY2013	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Gain Loss Before Reclassification And Tax OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossBeforeReclassificationAndTax	200000	USD
CY2012	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Gain Loss Before Reclassification And Tax OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossBeforeReclassificationAndTax	1600000	USD
CY2013	us-gaap	Other Comprehensive Income Foreign Currency Translation Gain Loss Arising During Period Tax OtherComprehensiveIncomeForeignCurrencyTranslationGainLossArisingDuringPeriodTax	100000	USD
CY2011	us-gaap	Other Comprehensive Income Foreign Currency Translation Gain Loss Arising During Period Tax OtherComprehensiveIncomeForeignCurrencyTranslationGainLossArisingDuringPeriodTax	100000	USD
CY2012	us-gaap	Other Comprehensive Income Foreign Currency Translation Gain Loss Arising During Period Tax OtherComprehensiveIncomeForeignCurrencyTranslationGainLossArisingDuringPeriodTax	600000	USD
CY2012	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Before Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentBeforeTax	96700000	USD
CY2011	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Before Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentBeforeTax	201200000	USD
CY2013	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Before Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentBeforeTax	-362800000	USD
CY2013	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax	-129100000	USD
CY2012	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax	34400000	USD
CY2011	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax	71600000	USD
CY2012	us-gaap	Other Comprehensive Income Loss Before Tax OtherComprehensiveIncomeLossBeforeTax	85100000	USD
CY2011	us-gaap	Other Comprehensive Income Loss Before Tax OtherComprehensiveIncomeLossBeforeTax	156400000	USD
CY2013	us-gaap	Other Comprehensive Income Loss Before Tax OtherComprehensiveIncomeLossBeforeTax	-276000000	USD
CY2012	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Before Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax	1600000	USD
CY2011	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Before Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax	400000	USD
CY2013	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Before Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax	200000	USD
CY2012	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Reclassification Adjustment From Aoci Realized Upon Sale Or Liquidation Before Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationReclassificationAdjustmentFromAOCIRealizedUponSaleOrLiquidationBeforeTax	0	USD
CY2011	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Reclassification Adjustment From Aoci Realized Upon Sale Or Liquidation Before Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationReclassificationAdjustmentFromAOCIRealizedUponSaleOrLiquidationBeforeTax	0	USD
CY2013	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Reclassification Adjustment From Aoci Realized Upon Sale Or Liquidation Before Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationReclassificationAdjustmentFromAOCIRealizedUponSaleOrLiquidationBeforeTax	0	USD
CY2011	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Reclassification Adjustment From Aoci Realized Upon Sale Or Liquidation Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationReclassificationAdjustmentFromAOCIRealizedUponSaleOrLiquidationTax	0	USD
CY2012	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Reclassification Adjustment From Aoci Realized Upon Sale Or Liquidation Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationReclassificationAdjustmentFromAOCIRealizedUponSaleOrLiquidationTax	0	USD
CY2013	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Reclassification Adjustment From Aoci Realized Upon Sale Or Liquidation Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationReclassificationAdjustmentFromAOCIRealizedUponSaleOrLiquidationTax	0	USD
CY2012	us-gaap	Other Comprehensive Income Loss Foreign Currency Translation Adjustment Tax OtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentTax	600000	USD
CY2013	us-gaap	Other Comprehensive Income Loss Foreign Currency Translation Adjustment Tax OtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentTax	100000	USD
CY2011	us-gaap	Other Comprehensive Income Loss Foreign Currency Translation Adjustment Tax OtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentTax	100000	USD
CY2011	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	100600000	USD
CY2013	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-177400000	USD
CY2012	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	54700000	USD
CY2012	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Before Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax	13200000	USD
CY2013	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Before Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax	-86600000	USD
CY2011	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Before Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax	45200000	USD
CY2013	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Net Unamortized Gain Loss Arising During Period Before Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansNetUnamortizedGainLossArisingDuringPeriodBeforeTax	61600000	USD
CY2012	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Net Unamortized Gain Loss Arising During Period Before Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansNetUnamortizedGainLossArisingDuringPeriodBeforeTax	-29400000	USD
CY2011	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Net Unamortized Gain Loss Arising During Period Before Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansNetUnamortizedGainLossArisingDuringPeriodBeforeTax	-53900000	USD
CY2012	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax	4600000	USD
CY2011	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax	15900000	USD
CY2013	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax	-30400000	USD
CY2011	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax	30900000	USD
CY2012	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax	61200000	USD
CY2013	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax	37900000	USD
CY2011	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax	10900000	USD
CY2013	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax	13200000	USD
CY2012	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax	21500000	USD
CY2011	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Gain Loss Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossBeforeTax	-8700000	USD
CY2013	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Gain Loss Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossBeforeTax	-25000000	USD
CY2012	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Gain Loss Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossBeforeTax	-16200000	USD
CY2013	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Gain Loss Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossTax	-8800000	USD
CY2012	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Gain Loss Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossTax	-5700000	USD
CY2011	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Gain Loss Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossTax	-3100000	USD
CY2012	us-gaap	Other Comprehensive Income Loss Tax OtherComprehensiveIncomeLossTax	30400000	USD
CY2013	us-gaap	Other Comprehensive Income Loss Tax OtherComprehensiveIncomeLossTax	-98600000	USD
CY2011	us-gaap	Other Comprehensive Income Loss Tax OtherComprehensiveIncomeLossTax	55800000	USD
CY2013	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax	-324900000	USD
CY2011	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax	232100000	USD
CY2012	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax	157900000	USD
CY2013	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	-115900000	USD
CY2012	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	55900000	USD
CY2011	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	82500000	USD
CY2012	us-gaap	Other Expenses OtherExpenses	672300000	USD
CY2013	us-gaap	Other Expenses OtherExpenses	654400000	USD
CY2011	us-gaap	Other Expenses OtherExpenses	683600000	USD
CY2012Q3	us-gaap	Other Expenses OtherExpenses	172700000	USD
CY2012Q2	us-gaap	Other Expenses OtherExpenses	167700000	USD
CY2012Q4	us-gaap	Other Expenses OtherExpenses	169500000	USD
CY2012Q1	us-gaap	Other Expenses OtherExpenses	162400000	USD
CY2013Q4	us-gaap	Other Expenses OtherExpenses	162900000	USD
CY2013Q1	us-gaap	Other Expenses OtherExpenses	158300000	USD
CY2013Q2	us-gaap	Other Expenses OtherExpenses	163100000	USD
CY2013Q3	us-gaap	Other Expenses OtherExpenses	170100000	USD
CY2012	us-gaap	Other Income OtherIncome	800000	USD
CY2013	us-gaap	Other Income OtherIncome	800000	USD
CY2011	us-gaap	Other Income OtherIncome	1000000	USD
CY2012Q2	us-gaap	Other Income OtherIncome	200000	USD
CY2012Q1	us-gaap	Other Income OtherIncome	200000	USD
CY2012Q4	us-gaap	Other Income OtherIncome	200000	USD
CY2012Q3	us-gaap	Other Income OtherIncome	200000	USD
CY2013Q4	us-gaap	Other Income OtherIncome	300000	USD
CY2013Q2	us-gaap	Other Income OtherIncome	200000	USD
CY2013Q1	us-gaap	Other Income OtherIncome	200000	USD
CY2013Q3	us-gaap	Other Income OtherIncome	100000	USD
CY2012Q4	us-gaap	Other Investments OtherInvestments	497500000	USD
CY2013Q4	us-gaap	Other Investments OtherInvestments	448000000	USD
CY2012Q4	us-gaap	Other Liabilities OtherLiabilities	431400000	USD
CY2013Q4	us-gaap	Other Liabilities OtherLiabilities	329800000	USD
CY2012Q4	us-gaap	Other Receivables OtherReceivables	206100000	USD
CY2013Q4	us-gaap	Other Receivables OtherReceivables	193100000	USD
CY2013Q4	us-gaap	Other Short Term Investments OtherShortTermInvestments	284700000	USD
CY2012Q4	us-gaap	Other Short Term Investments OtherShortTermInvestments	327500000	USD
CY2013	us-gaap	Other Than Temporary Impairment Losses Investments Portion In Other Comprehensive Income Loss Before Tax Including Portion Attributable To Noncontrolling Interest OtherThanTemporaryImpairmentLossesInvestmentsPortionInOtherComprehensiveIncomeLossBeforeTaxIncludingPortionAttributableToNoncontrollingInterest	-1900000	USD
CY2011	us-gaap	Other Than Temporary Impairment Losses Investments Portion In Other Comprehensive Income Loss Before Tax Including Portion Attributable To Noncontrolling Interest OtherThanTemporaryImpairmentLossesInvestmentsPortionInOtherComprehensiveIncomeLossBeforeTaxIncludingPortionAttributableToNoncontrollingInterest	-100000	USD
CY2012	us-gaap	Other Than Temporary Impairment Losses Investments Portion In Other Comprehensive Income Loss Before Tax Including Portion Attributable To Noncontrolling Interest OtherThanTemporaryImpairmentLossesInvestmentsPortionInOtherComprehensiveIncomeLossBeforeTaxIncludingPortionAttributableToNoncontrollingInterest	-300000	USD
CY2012Q1	us-gaap	Other Than Temporary Impairment Losses Investments Portion In Other Comprehensive Income Loss Before Tax Including Portion Attributable To Noncontrolling Interest OtherThanTemporaryImpairmentLossesInvestmentsPortionInOtherComprehensiveIncomeLossBeforeTaxIncludingPortionAttributableToNoncontrollingInterest	0	USD
CY2012Q2	us-gaap	Other Than Temporary Impairment Losses Investments Portion In Other Comprehensive Income Loss Before Tax Including Portion Attributable To Noncontrolling Interest OtherThanTemporaryImpairmentLossesInvestmentsPortionInOtherComprehensiveIncomeLossBeforeTaxIncludingPortionAttributableToNoncontrollingInterest	0	USD
CY2012Q3	us-gaap	Other Than Temporary Impairment Losses Investments Portion In Other Comprehensive Income Loss Before Tax Including Portion Attributable To Noncontrolling Interest OtherThanTemporaryImpairmentLossesInvestmentsPortionInOtherComprehensiveIncomeLossBeforeTaxIncludingPortionAttributableToNoncontrollingInterest	0	USD
CY2012Q4	us-gaap	Other Than Temporary Impairment Losses Investments Portion In Other Comprehensive Income Loss Before Tax Including Portion Attributable To Noncontrolling Interest OtherThanTemporaryImpairmentLossesInvestmentsPortionInOtherComprehensiveIncomeLossBeforeTaxIncludingPortionAttributableToNoncontrollingInterest	-300000	USD
CY2013Q2	us-gaap	Other Than Temporary Impairment Losses Investments Portion In Other Comprehensive Income Loss Before Tax Including Portion Attributable To Noncontrolling Interest OtherThanTemporaryImpairmentLossesInvestmentsPortionInOtherComprehensiveIncomeLossBeforeTaxIncludingPortionAttributableToNoncontrollingInterest	-1300000	USD
CY2013Q3	us-gaap	Other Than Temporary Impairment Losses Investments Portion In Other Comprehensive Income Loss Before Tax Including Portion Attributable To Noncontrolling Interest OtherThanTemporaryImpairmentLossesInvestmentsPortionInOtherComprehensiveIncomeLossBeforeTaxIncludingPortionAttributableToNoncontrollingInterest	-100000	USD
CY2013Q4	us-gaap	Other Than Temporary Impairment Losses Investments Portion In Other Comprehensive Income Loss Before Tax Including Portion Attributable To Noncontrolling Interest OtherThanTemporaryImpairmentLossesInvestmentsPortionInOtherComprehensiveIncomeLossBeforeTaxIncludingPortionAttributableToNoncontrollingInterest	0	USD
CY2013Q1	us-gaap	Other Than Temporary Impairment Losses Investments Portion In Other Comprehensive Income Loss Before Tax Including Portion Attributable To Noncontrolling Interest OtherThanTemporaryImpairmentLossesInvestmentsPortionInOtherComprehensiveIncomeLossBeforeTaxIncludingPortionAttributableToNoncontrollingInterest	-500000	USD
CY2012	us-gaap	Other Than Temporary Impairment Losses Investments Portion Recognized In Earnings Net OtherThanTemporaryImpairmentLossesInvestmentsPortionRecognizedInEarningsNet	6900000	USD
CY2013	us-gaap	Other Than Temporary Impairment Losses Investments Portion Recognized In Earnings Net OtherThanTemporaryImpairmentLossesInvestmentsPortionRecognizedInEarningsNet	13900000	USD
CY2011	us-gaap	Other Than Temporary Impairment Losses Investments Portion Recognized In Earnings Net OtherThanTemporaryImpairmentLossesInvestmentsPortionRecognizedInEarningsNet	11300000	USD
CY2012Q1	us-gaap	Other Than Temporary Impairment Losses Investments Portion Recognized In Earnings Net OtherThanTemporaryImpairmentLossesInvestmentsPortionRecognizedInEarningsNet	500000	USD
CY2012Q3	us-gaap	Other Than Temporary Impairment Losses Investments Portion Recognized In Earnings Net OtherThanTemporaryImpairmentLossesInvestmentsPortionRecognizedInEarningsNet	3200000	USD
CY2012Q2	us-gaap	Other Than Temporary Impairment Losses Investments Portion Recognized In Earnings Net OtherThanTemporaryImpairmentLossesInvestmentsPortionRecognizedInEarningsNet	400000	USD
CY2012Q4	us-gaap	Other Than Temporary Impairment Losses Investments Portion Recognized In Earnings Net OtherThanTemporaryImpairmentLossesInvestmentsPortionRecognizedInEarningsNet	2800000	USD
CY2013Q4	us-gaap	Other Than Temporary Impairment Losses Investments Portion Recognized In Earnings Net OtherThanTemporaryImpairmentLossesInvestmentsPortionRecognizedInEarningsNet	7600000	USD
CY2013Q2	us-gaap	Other Than Temporary Impairment Losses Investments Portion Recognized In Earnings Net OtherThanTemporaryImpairmentLossesInvestmentsPortionRecognizedInEarningsNet	1000000	USD
CY2013Q3	us-gaap	Other Than Temporary Impairment Losses Investments Portion Recognized In Earnings Net OtherThanTemporaryImpairmentLossesInvestmentsPortionRecognizedInEarningsNet	3400000	USD
CY2013Q1	us-gaap	Other Than Temporary Impairment Losses Investments Portion Recognized In Earnings Net OtherThanTemporaryImpairmentLossesInvestmentsPortionRecognizedInEarningsNet	1900000	USD
CY2013	us-gaap	Other Underwriting Expense OtherUnderwritingExpense	257100000	USD
CY2011	us-gaap	Other Underwriting Expense OtherUnderwritingExpense	270100000	USD
CY2012	us-gaap	Other Underwriting Expense OtherUnderwritingExpense	262900000	USD
CY2011	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	500000	USD
CY2013	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	13200000	USD
CY2012	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	6400000	USD
CY2012	us-gaap	Payments For Proceeds From Short Term Investments PaymentsForProceedsFromShortTermInvestments	80000000	USD
CY2013	us-gaap	Payments For Proceeds From Short Term Investments PaymentsForProceedsFromShortTermInvestments	-41800000	USD
CY2011	us-gaap	Payments For Proceeds From Short Term Investments PaymentsForProceedsFromShortTermInvestments	-155500000	USD
CY2011	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	27400000	USD
CY2013	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	100400000	USD
CY2012	us-gaap	Payments For Time Deposits PaymentsForTimeDeposits	0	USD
CY2012	us-gaap	Payments For Restructuring PaymentsForRestructuring	4000000	USD
CY2013	us-gaap	Payments For Time Deposits PaymentsForTimeDeposits	0	USD
CY2011	us-gaap	Payments For Time Deposits PaymentsForTimeDeposits	321800000	USD
CY2012	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	60700000	USD
CY2013	us-gaap	Payments For Restructuring PaymentsForRestructuring	4200000	USD
CY2011	us-gaap	Payments For Restructuring PaymentsForRestructuring	2600000	USD
CY2012	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	56900000	USD
CY2011	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	58200000	USD
CY2013	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	54900000	USD
CY2012	us-gaap	Payments To Acquire Available For Sale Securities Debt PaymentsToAcquireAvailableForSaleSecuritiesDebt	872600000	USD
CY2011	us-gaap	Payments To Acquire Available For Sale Securities Debt PaymentsToAcquireAvailableForSaleSecuritiesDebt	663400000	USD
CY2013	us-gaap	Payments To Acquire Available For Sale Securities Debt PaymentsToAcquireAvailableForSaleSecuritiesDebt	744500000	USD
CY2013	us-gaap	Payments To Acquire Available For Sale Securities Equity PaymentsToAcquireAvailableForSaleSecuritiesEquity	213400000	USD
CY2011	us-gaap	Payments To Acquire Available For Sale Securities Equity PaymentsToAcquireAvailableForSaleSecuritiesEquity	199200000	USD
CY2012	us-gaap	Payments To Acquire Available For Sale Securities Equity PaymentsToAcquireAvailableForSaleSecuritiesEquity	137700000	USD
CY2011	us-gaap	Payments To Acquire Interest In Subsidiaries And Affiliates PaymentsToAcquireInterestInSubsidiariesAndAffiliates	25700000	USD
CY2013	us-gaap	Payments To Acquire Interest In Subsidiaries And Affiliates PaymentsToAcquireInterestInSubsidiariesAndAffiliates	20500000	USD
CY2012	us-gaap	Payments To Acquire Interest In Subsidiaries And Affiliates PaymentsToAcquireInterestInSubsidiariesAndAffiliates	31000000	USD
CY2011	us-gaap	Payments To Acquire Other Investments PaymentsToAcquireOtherInvestments	15600000	USD
CY2012	us-gaap	Payments To Acquire Other Investments PaymentsToAcquireOtherInvestments	12400000	USD
CY2013	us-gaap	Payments To Acquire Other Investments PaymentsToAcquireOtherInvestments	9100000	USD
CY2011	us-gaap	Payments To Acquire Real Estate Held For Investment PaymentsToAcquireRealEstateHeldForInvestment	6400000	USD
CY2013	us-gaap	Payments To Acquire Real Estate Held For Investment PaymentsToAcquireRealEstateHeldForInvestment	5400000	USD
CY2012	us-gaap	Payments To Acquire Real Estate Held For Investment PaymentsToAcquireRealEstateHeldForInvestment	5500000	USD
CY2013	us-gaap	Payments To Acquire Software PaymentsToAcquireSoftware	15200000	USD
CY2011	us-gaap	Payments To Acquire Software PaymentsToAcquireSoftware	23200000	USD
CY2012	us-gaap	Payments To Acquire Software PaymentsToAcquireSoftware	26500000	USD
CY2012	us-gaap	Policyholder Benefits And Claims Incurred Net PolicyholderBenefitsAndClaimsIncurredNet	1582100000	USD
CY2013	us-gaap	Policyholder Benefits And Claims Incurred Net PolicyholderBenefitsAndClaimsIncurredNet	1357200000	USD
CY2011	us-gaap	Policyholder Benefits And Claims Incurred Net PolicyholderBenefitsAndClaimsIncurredNet	1645700000	USD
CY2012Q3	us-gaap	Policyholder Benefits And Claims Incurred Net PolicyholderBenefitsAndClaimsIncurredNet	368700000	USD
CY2012Q1	us-gaap	Policyholder Benefits And Claims Incurred Net PolicyholderBenefitsAndClaimsIncurredNet	376600000	USD
CY2012Q4	us-gaap	Policyholder Benefits And Claims Incurred Net PolicyholderBenefitsAndClaimsIncurredNet	413000000	USD
CY2012Q2	us-gaap	Policyholder Benefits And Claims Incurred Net PolicyholderBenefitsAndClaimsIncurredNet	423800000	USD
CY2013Q4	us-gaap	Policyholder Benefits And Claims Incurred Net PolicyholderBenefitsAndClaimsIncurredNet	315500000	USD
CY2013Q2	us-gaap	Policyholder Benefits And Claims Incurred Net PolicyholderBenefitsAndClaimsIncurredNet	354200000	USD
CY2013Q3	us-gaap	Policyholder Benefits And Claims Incurred Net PolicyholderBenefitsAndClaimsIncurredNet	338300000	USD
CY2013Q1	us-gaap	Policyholder Benefits And Claims Incurred Net PolicyholderBenefitsAndClaimsIncurredNet	349200000	USD
CY2013Q4	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	0.1
CY2013Q4	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	20000000	shares
CY2012Q4	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	0	shares
CY2013Q4	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	0	shares
CY2013Q4	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	0	shares
CY2012Q4	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	0	shares
CY2011	us-gaap	Premiums Earned Net PremiumsEarnedNet	2173600000	USD
CY2012	us-gaap	Premiums Earned Net PremiumsEarnedNet	2107100000	USD
CY2013	us-gaap	Premiums Earned Net PremiumsEarnedNet	2025800000	USD
CY2012Q3	us-gaap	Premiums Earned Net PremiumsEarnedNet	527300000	USD
CY2012Q1	us-gaap	Premiums Earned Net PremiumsEarnedNet	529200000	USD
CY2012Q4	us-gaap	Premiums Earned Net PremiumsEarnedNet	520800000	USD
CY2012Q2	us-gaap	Premiums Earned Net PremiumsEarnedNet	529800000	USD
CY2013Q3	us-gaap	Premiums Earned Net PremiumsEarnedNet	507500000	USD
CY2013Q4	us-gaap	Premiums Earned Net PremiumsEarnedNet	495600000	USD
CY2013Q1	us-gaap	Premiums Earned Net PremiumsEarnedNet	509900000	USD
CY2013Q2	us-gaap	Premiums Earned Net PremiumsEarnedNet	512800000	USD
CY2011	us-gaap	Premiums Earned Net Accident And Health PremiumsEarnedNetAccidentAndHealth	166300000	USD
CY2012	us-gaap	Premiums Earned Net Accident And Health PremiumsEarnedNetAccidentAndHealth	165200000	USD
CY2013	us-gaap	Premiums Earned Net Accident And Health PremiumsEarnedNetAccidentAndHealth	161400000	USD
CY2011	us-gaap	Premiums Earned Net Life PremiumsEarnedNetLife	395100000	USD
CY2013	us-gaap	Premiums Earned Net Life PremiumsEarnedNetLife	392700000	USD
CY2012	us-gaap	Premiums Earned Net Life PremiumsEarnedNetLife	393400000	USD
CY2013	us-gaap	Premiums Net Life Insurance In Force PremiumsNetLifeInsuranceInForce	20659100000	USD
CY2012	us-gaap	Premiums Net Life Insurance In Force PremiumsNetLifeInsuranceInForce	20972900000	USD
CY2011	us-gaap	Premiums Net Life Insurance In Force PremiumsNetLifeInsuranceInForce	21222700000	USD
CY2011	us-gaap	Premiums Percentage Assumed To Net PremiumsPercentageAssumedToNet	0.020
CY2013	us-gaap	Premiums Percentage Assumed To Net PremiumsPercentageAssumedToNet	0.026
CY2012	us-gaap	Premiums Percentage Assumed To Net PremiumsPercentageAssumedToNet	0.021
CY2013Q4	us-gaap	Premiums Receivable At Carrying Value PremiumsReceivableAtCarryingValue	331600000	USD
CY2012Q4	us-gaap	Premiums Receivable At Carrying Value PremiumsReceivableAtCarryingValue	369300000	USD
CY2013	us-gaap	Proceeds From Divestiture Of Businesses Net Of Cash Divested ProceedsFromDivestitureOfBusinessesNetOfCashDivested	3800000	USD
CY2011	us-gaap	Proceeds From Divestiture Of Businesses Net Of Cash Divested ProceedsFromDivestitureOfBusinessesNetOfCashDivested	0	USD
CY2012	us-gaap	Proceeds From Divestiture Of Businesses Net Of Cash Divested ProceedsFromDivestitureOfBusinessesNetOfCashDivested	0	USD
CY2012	us-gaap	Proceeds From Equity Method Investment Dividends Or Distributions Return Of Capital ProceedsFromEquityMethodInvestmentDividendsOrDistributionsReturnOfCapital	56000000	USD
CY2011	us-gaap	Proceeds From Equity Method Investment Dividends Or Distributions Return Of Capital ProceedsFromEquityMethodInvestmentDividendsOrDistributionsReturnOfCapital	57000000	USD
CY2013	us-gaap	Proceeds From Equity Method Investment Dividends Or Distributions Return Of Capital ProceedsFromEquityMethodInvestmentDividendsOrDistributionsReturnOfCapital	31300000	USD
CY2012	us-gaap	Proceeds From Issuance Of Debt ProceedsFromIssuanceOfDebt	0	USD
CY2011	us-gaap	Proceeds From Issuance Of Debt ProceedsFromIssuanceOfDebt	95000000	USD
CY2013	us-gaap	Proceeds From Issuance Of Debt ProceedsFromIssuanceOfDebt	0	USD
CY2011	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	1400000	USD
CY2012	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	1400000	USD
CY2013	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	1100000	USD
CY2012	us-gaap	Proceeds From Principal Repayments On Loans And Leases Held For Investment ProceedsFromPrincipalRepaymentsOnLoansAndLeasesHeldForInvestment	2000000	USD
CY2013	us-gaap	Proceeds From Principal Repayments On Loans And Leases Held For Investment ProceedsFromPrincipalRepaymentsOnLoansAndLeasesHeldForInvestment	0	USD
CY2011	us-gaap	Proceeds From Principal Repayments On Loans And Leases Held For Investment ProceedsFromPrincipalRepaymentsOnLoansAndLeasesHeldForInvestment	166500000	USD
CY2013	us-gaap	Proceeds From Sale Of Available For Sale Securities Equity ProceedsFromSaleOfAvailableForSaleSecuritiesEquity	182100000	USD
CY2011	us-gaap	Proceeds From Sale Of Available For Sale Securities Equity ProceedsFromSaleOfAvailableForSaleSecuritiesEquity	248300000	USD
CY2012	us-gaap	Proceeds From Sale Of Available For Sale Securities Equity ProceedsFromSaleOfAvailableForSaleSecuritiesEquity	70800000	USD
CY2012	us-gaap	Proceeds From Sale Of Loans Receivable ProceedsFromSaleOfLoansReceivable	16700000	USD
CY2013	us-gaap	Proceeds From Sale Of Loans Receivable ProceedsFromSaleOfLoansReceivable	0	USD
CY2011	us-gaap	Proceeds From Sale Of Loans Receivable ProceedsFromSaleOfLoansReceivable	220700000	USD
CY2013	us-gaap	Proceeds From Sale Of Real Estate Heldforinvestment ProceedsFromSaleOfRealEstateHeldforinvestment	102700000	USD
CY2011	us-gaap	Proceeds From Sale Of Real Estate Heldforinvestment ProceedsFromSaleOfRealEstateHeldforinvestment	300000	USD
CY2012	us-gaap	Proceeds From Sale Of Real Estate Heldforinvestment ProceedsFromSaleOfRealEstateHeldforinvestment	6000000	USD
CY2012	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	1300000	USD
CY2011	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	200000	USD
CY2013	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	1700000	USD
CY2012	us-gaap	Profit Loss ProfitLoss	103400000	USD
CY2011	us-gaap	Profit Loss ProfitLoss	74500000	USD
CY2013	us-gaap	Profit Loss ProfitLoss	217700000	USD
CY2012Q1	us-gaap	Profit Loss ProfitLoss	43600000	USD
CY2012Q3	us-gaap	Profit Loss ProfitLoss	55600000	USD
CY2012Q4	us-gaap	Profit Loss ProfitLoss	1900000	USD
CY2012Q2	us-gaap	Profit Loss ProfitLoss	2300000	USD
CY2013Q3	us-gaap	Profit Loss ProfitLoss	70100000	USD
CY2013Q4	us-gaap	Profit Loss ProfitLoss	55200000	USD
CY2013Q1	us-gaap	Profit Loss ProfitLoss	58400000	USD
CY2013Q2	us-gaap	Profit Loss ProfitLoss	34000000	USD
CY2011	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	-42000000	USD
CY2013	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	0	USD
CY2012	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	-2000000	USD
CY2013Q4	us-gaap	Real Estate Investment Property Net RealEstateInvestmentPropertyNet	167100000	USD
CY2012Q4	us-gaap	Real Estate Investment Property Net RealEstateInvestmentPropertyNet	226200000	USD
CY2012Q4	us-gaap	Reinsurance Recoverables ReinsuranceRecoverables	66200000	USD
CY2013Q4	us-gaap	Reinsurance Recoverables ReinsuranceRecoverables	63400000	USD
CY2011Q4	us-gaap	Reinsurance Recoverables ReinsuranceRecoverables	74500000	USD
CY2010Q4	us-gaap	Reinsurance Recoverables ReinsuranceRecoverables	78100000	USD
CY2011	us-gaap	Repayments Of Debt RepaymentsOfDebt	95000000	USD
CY2012	us-gaap	Repayments Of Debt RepaymentsOfDebt	0	USD
CY2013	us-gaap	Repayments Of Debt RepaymentsOfDebt	5500000	USD
CY2013	us-gaap	Restructuring Charges RestructuringCharges	1800000	USD
CY2011	us-gaap	Restructuring Charges RestructuringCharges	3600000	USD
CY2012	us-gaap	Restructuring Charges RestructuringCharges	7200000	USD
CY2012Q4	us-gaap	Restructuring Reserve RestructuringReserve	4900000	USD
CY2011Q4	us-gaap	Restructuring Reserve RestructuringReserve	1700000	USD
CY2010Q4	us-gaap	Restructuring Reserve RestructuringReserve	700000	USD
CY2013Q4	us-gaap	Restructuring Reserve RestructuringReserve	2500000	USD
CY2012Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	1118200000	USD
CY2013Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	1215800000	USD
CY2011	us-gaap	Revenues Revenues	2495000000	USD
CY2012	us-gaap	Revenues Revenues	2462300000	USD
CY2013	us-gaap	Revenues Revenues	2426500000	USD
CY2012Q3	us-gaap	Revenues Revenues	645600000	USD
CY2012Q2	us-gaap	Revenues Revenues	608900000	USD
CY2012Q4	us-gaap	Revenues Revenues	596600000	USD
CY2012Q1	us-gaap	Revenues Revenues	611200000	USD
CY2013Q3	us-gaap	Revenues Revenues	635700000	USD
CY2013Q1	us-gaap	Revenues Revenues	615900000	USD
CY2013Q4	us-gaap	Revenues Revenues	586000000	USD
CY2013Q2	us-gaap	Revenues Revenues	588900000	USD
CY2012	kmpr	Disposal Group Including Discontinued Operation Net Investment Income DisposalGroupIncludingDiscontinuedOperationNetInvestmentIncome	0	USD
CY2011	kmpr	Disposal Group Including Discontinued Operation Net Investment Income DisposalGroupIncludingDiscontinuedOperationNetInvestmentIncome	500000	USD
CY2013Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Number Of Shares Authorized ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized	10000000	shares
CY2013Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Number Of Shares Available For Grant ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant	8750768	shares
CY2013	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	4100000	USD
CY2011	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	300000	USD
CY2012	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	3000000	USD
CY2013	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures And Expirations In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod	567381	shares
CY2013	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures And Expirations In Period Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice	42.83
CY2013	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Gross ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross	283750	shares
CY2013	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue	10.20
CY2011	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue	9.11
CY2012	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue	9.40
CY2013Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue	9300000	USD
CY2013Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	2543673	shares
CY2012Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	3192054	shares
CY2013Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	41.38
CY2012Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	40.53
CY2013Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Exercisable Aggregate Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableAggregateIntrinsicValue	6300000	USD
CY2013Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Exercisable Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableNumber	2226795	shares
CY2013Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Exercisable Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableWeightedAverageExercisePrice	42.81
CY2013Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Outstanding Aggregate Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingAggregateIntrinsicValue	9000000	USD
CY2013Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingNumber	2512512	shares
CY2013Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageExercisePrice	41.51
CY2013	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice	25.32
CY2013	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice	33.20
CY2013	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Outstanding Weighted Average Remaining Contractual Term2 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2	P3Y6M26D
CY2013	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Vested And Expected To Vest Exercisable Weighted Average Remaining Contractual Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedAndExpectedToVestExercisableWeightedAverageRemainingContractualTerm1	P2Y10M13D
CY2013	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Vested And Expected To Vest Outstanding Weighted Average Remaining Contractual Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageRemainingContractualTerm1	P3Y6M4D
CY2013	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	364750	shares
CY2012	us-gaap	Stock Repurchased And Retired During Period Shares StockRepurchasedAndRetiredDuringPeriodShares	2000000	shares
CY2011	us-gaap	Stock Repurchased And Retired During Period Shares StockRepurchasedAndRetiredDuringPeriodShares	900000	shares
CY2013	us-gaap	Stock Repurchased And Retired During Period Shares StockRepurchasedAndRetiredDuringPeriodShares	3000000	shares
CY2012	us-gaap	Stock Repurchased And Retired During Period Value StockRepurchasedAndRetiredDuringPeriodValue	60700000	USD
CY2013	us-gaap	Stock Repurchased And Retired During Period Value StockRepurchasedAndRetiredDuringPeriodValue	100400000	USD
CY2011	us-gaap	Stock Repurchased And Retired During Period Value StockRepurchasedAndRetiredDuringPeriodValue	27400000	USD
CY2012Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	2161700000	USD
CY2013Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	2051500000	USD
CY2011Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	2116600000	USD
CY2010Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	2023100000	USD
CY2013Q4	us-gaap	Summary Of Investments Other Than Investments In Related Parties Carrying Amount SummaryOfInvestmentsOtherThanInvestmentsInRelatedPartiesCarryingAmount	6151300000	USD
CY2013Q4	us-gaap	Summary Of Investments Other Than Investments In Related Parties Cost SummaryOfInvestmentsOtherThanInvestmentsInRelatedPartiesCost	5878300000	USD
CY2012	us-gaap	Supplementary Insurance Information Amortization Of Deferred Policy Acquisition Costs SupplementaryInsuranceInformationAmortizationOfDeferredPolicyAcquisitionCosts	257000000	USD
CY2013	us-gaap	Supplementary Insurance Information Amortization Of Deferred Policy Acquisition Costs SupplementaryInsuranceInformationAmortizationOfDeferredPolicyAcquisitionCosts	253900000	USD
CY2011	us-gaap	Supplementary Insurance Information Amortization Of Deferred Policy Acquisition Costs SupplementaryInsuranceInformationAmortizationOfDeferredPolicyAcquisitionCosts	260700000	USD
CY2011	us-gaap	Supplementary Insurance Information Benefits Claims Losses And Settlement Expense SupplementaryInsuranceInformationBenefitsClaimsLossesAndSettlementExpense	1645700000	USD
CY2012	us-gaap	Supplementary Insurance Information Benefits Claims Losses And Settlement Expense SupplementaryInsuranceInformationBenefitsClaimsLossesAndSettlementExpense	1582000000	USD
CY2013	us-gaap	Supplementary Insurance Information Benefits Claims Losses And Settlement Expense SupplementaryInsuranceInformationBenefitsClaimsLossesAndSettlementExpense	1357200000	USD
CY2013Q4	us-gaap	Supplementary Insurance Information Deferred Policy Acquisition Costs SupplementaryInsuranceInformationDeferredPolicyAcquisitionCosts	302900000	USD
CY2012Q4	us-gaap	Supplementary Insurance Information Deferred Policy Acquisition Costs SupplementaryInsuranceInformationDeferredPolicyAcquisitionCosts	303400000	USD
CY2012Q4	us-gaap	Supplementary Insurance Information Liability For Future Policy Benefits Losses Claims And Loss Expense Reserves SupplementaryInsuranceInformationLiabilityForFuturePolicyBenefitsLossesClaimsAndLossExpenseReserves	4132200000	USD
CY2013Q4	us-gaap	Supplementary Insurance Information Liability For Future Policy Benefits Losses Claims And Loss Expense Reserves SupplementaryInsuranceInformationLiabilityForFuturePolicyBenefitsLossesClaimsAndLossExpenseReserves	4061000000	USD
CY2013	us-gaap	Supplementary Insurance Information Net Investment Income SupplementaryInsuranceInformationNetInvestmentIncome	314700000	USD
CY2011	us-gaap	Supplementary Insurance Information Net Investment Income SupplementaryInsuranceInformationNetInvestmentIncome	298000000	USD
CY2012	us-gaap	Supplementary Insurance Information Net Investment Income SupplementaryInsuranceInformationNetInvestmentIncome	295900000	USD
CY2012	us-gaap	Supplementary Insurance Information Other Operating Expense SupplementaryInsuranceInformationOtherOperatingExpense	415300000	USD
CY2011	us-gaap	Supplementary Insurance Information Other Operating Expense SupplementaryInsuranceInformationOtherOperatingExpense	422900000	USD
CY2013	us-gaap	Supplementary Insurance Information Other Operating Expense SupplementaryInsuranceInformationOtherOperatingExpense	400500000	USD
CY2011	us-gaap	Supplementary Insurance Information Premium Revenue SupplementaryInsuranceInformationPremiumRevenue	2173600000	USD
CY2012	us-gaap	Supplementary Insurance Information Premium Revenue SupplementaryInsuranceInformationPremiumRevenue	2107100000	USD
CY2013	us-gaap	Supplementary Insurance Information Premium Revenue SupplementaryInsuranceInformationPremiumRevenue	2025800000	USD
CY2012Q4	us-gaap	Supplementary Insurance Information Unearned Premiums SupplementaryInsuranceInformationUnearnedPremiums	650900000	USD
CY2013Q4	us-gaap	Supplementary Insurance Information Unearned Premiums SupplementaryInsuranceInformationUnearnedPremiums	598900000	USD
CY2012Q4	us-gaap	Trading Securities TradingSecurities	4500000	USD
CY2013Q4	us-gaap	Trading Securities TradingSecurities	5000000	USD
CY2011	us-gaap	Trading Securities Realized Gain TradingSecuritiesRealizedGain	-900000	USD
CY2013	us-gaap	Trading Securities Realized Gain TradingSecuritiesRealizedGain	600000	USD
CY2012	us-gaap	Trading Securities Realized Gain TradingSecuritiesRealizedGain	300000	USD
CY2013	us-gaap	Traditional Life Interest Rate High End TraditionalLifeInterestRateHighEnd	0.07
CY2010Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	7800000	USD
CY2011Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	6200000	USD
CY2012Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	6400000	USD
CY2013Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	6800000	USD
CY2012	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsDecreasesResultingFromCurrentPeriodTaxPositions	0	USD
CY2013	us-gaap	Traditional Life Interest Rate Low End TraditionalLifeInterestRateLowEnd	0.03
CY2012Q4	us-gaap	Unearned Premiums UnearnedPremiums	650900000	USD
CY2013Q4	us-gaap	Unearned Premiums UnearnedPremiums	598900000	USD
CY2013	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsDecreasesResultingFromCurrentPeriodTaxPositions	-100000	USD
CY2011	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsDecreasesResultingFromCurrentPeriodTaxPositions	1800000	USD
CY2011	us-gaap	Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions	200000	USD
CY2013	us-gaap	Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions	300000	USD
CY2012	us-gaap	Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions	200000	USD
CY2012Q4	us-gaap	Unrecognized Tax Benefits Interest On Income Taxes Accrued UnrecognizedTaxBenefitsInterestOnIncomeTaxesAccrued	2900000	USD
CY2013Q4	us-gaap	Unrecognized Tax Benefits Interest On Income Taxes Accrued UnrecognizedTaxBenefitsInterestOnIncomeTaxesAccrued	3400000	USD
CY2011Q4	us-gaap	Unrecognized Tax Benefits Interest On Income Taxes Accrued UnrecognizedTaxBenefitsInterestOnIncomeTaxesAccrued	2500000	USD
CY2013	us-gaap	Unrecognized Tax Benefits Interest On Income Taxes Expense UnrecognizedTaxBenefitsInterestOnIncomeTaxesExpense	-400000	USD
CY2012	us-gaap	Unrecognized Tax Benefits Interest On Income Taxes Expense UnrecognizedTaxBenefitsInterestOnIncomeTaxesExpense	400000	USD
CY2011	us-gaap	Unrecognized Tax Benefits Interest On Income Taxes Expense UnrecognizedTaxBenefitsInterestOnIncomeTaxesExpense	400000	USD
CY2012	us-gaap	Unrecognized Tax Benefits Period Increase Decrease UnrecognizedTaxBenefitsPeriodIncreaseDecrease	200000	USD
CY2013	us-gaap	Unrecognized Tax Benefits Period Increase Decrease UnrecognizedTaxBenefitsPeriodIncreaseDecrease	400000	USD
CY2011	us-gaap	Unrecognized Tax Benefits Period Increase Decrease UnrecognizedTaxBenefitsPeriodIncreaseDecrease	-1600000	USD
CY2013	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	56983600	shares
CY2012	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	58999000	shares
CY2011	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	60366500	shares
CY2011	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	60262600	shares
CY2012	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	58857300	shares
CY2013	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	56856900	shares
CY2011	kmpr	Allocated Corporate Expenses AllocatedCorporateExpenses	33000000	USD
CY2013	kmpr	Allocated Corporate Expenses AllocatedCorporateExpenses	39700000	USD
CY2012	kmpr	Allocated Corporate Expenses AllocatedCorporateExpenses	31700000	USD
CY2013	kmpr	Amortization Of Investment Securities And Depreciation Of Investmet Real Estate AmortizationOfInvestmentSecuritiesAndDepreciationOfInvestmetRealEstate	16200000	USD
CY2013Q4	kmpr	Deferred Tax Assets Tax Capitalization Of Policy Acquisition Costs DeferredTaxAssetsTaxCapitalizationOfPolicyAcquisitionCosts	73300000	USD
CY2012Q4	kmpr	Deferred Tax Assets Tax Capitalization Of Policy Acquisition Costs DeferredTaxAssetsTaxCapitalizationOfPolicyAcquisitionCosts	73600000	USD
CY2012	kmpr	Amortization Of Investment Securities And Depreciation Of Investmet Real Estate AmortizationOfInvestmentSecuritiesAndDepreciationOfInvestmetRealEstate	15200000	USD
CY2011	kmpr	Amortization Of Investment Securities And Depreciation Of Investmet Real Estate AmortizationOfInvestmentSecuritiesAndDepreciationOfInvestmetRealEstate	16000000	USD
CY2012	kmpr	Amortization Of Value Of Business Acquired And Customer Relationships Acquired AmortizationOfValueOfBusinessAcquiredAndCustomerRelationshipsAcquired	8000000	USD
CY2011	kmpr	Amortization Of Value Of Business Acquired And Customer Relationships Acquired AmortizationOfValueOfBusinessAcquiredAndCustomerRelationshipsAcquired	11400000	USD
CY2013	kmpr	Amortization Of Value Of Business Acquired And Customer Relationships Acquired AmortizationOfValueOfBusinessAcquiredAndCustomerRelationshipsAcquired	8300000	USD
CY2013Q2	kmpr	Annual Awardsof Deferred Stock Unitstobe Issuedtoeach Non Employee Director AnnualAwardsofDeferredStockUnitstobeIssuedtoeachNonEmployeeDirector	500	shares
CY2012Q4	kmpr	Available For Sale Securities Continuous Unrealized Loss Position12 Months Or Longer Aggregate Losses Related To Securities That Have Previously Recognized Foregin Currency Impairment AvailableForSaleSecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAggregateLossesRelatedToSecuritiesThatHavePreviouslyRecognizedForeginCurrencyImpairment	100000	USD
CY2013Q4	kmpr	Available For Sale Securities Continuous Unrealized Loss Position12 Months Or Longer Securities That Have Had Recognized Credit Losses In Earnings Aggregate Losses AvailableForSaleSecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerSecuritiesThatHaveHadRecognizedCreditLossesInEarningsAggregateLosses	-300000	USD
CY2012Q4	kmpr	Available For Sale Securities Continuous Unrealized Loss Position12 Months Or Longer Securities That Have Had Recognized Credit Losses In Earnings Aggregate Losses AvailableForSaleSecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerSecuritiesThatHaveHadRecognizedCreditLossesInEarningsAggregateLosses	0	USD
CY2013Q4	kmpr	Available For Sale Securities Continuous Unrealized Loss Position Less Than Twelve Months Securities That Have Had Recognized Credit Losses In Earnings Aggregate Losses AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsSecuritiesThatHaveHadRecognizedCreditLossesInEarningsAggregateLosses	0	USD
CY2012Q4	kmpr	Available For Sale Securities Continuous Unrealized Loss Position Less Than Twelve Months Securities That Have Had Recognized Credit Losses In Earnings Aggregate Losses AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsSecuritiesThatHaveHadRecognizedCreditLossesInEarningsAggregateLosses	-300000	USD
CY2013Q4	kmpr	Availableforsale Debt Securities Gross Unrealized Gain Accumulatedin Investments AvailableforsaleDebtSecuritiesGrossUnrealizedGainAccumulatedinInvestments	284200000	USD
CY2012Q4	kmpr	Availableforsale Debt Securities Gross Unrealized Gain Accumulatedin Investments AvailableforsaleDebtSecuritiesGrossUnrealizedGainAccumulatedinInvestments	584500000	USD
CY2013Q4	kmpr	Availableforsale Debt Securities Gross Unrealized Loss Accumulatedin Investments AvailableforsaleDebtSecuritiesGrossUnrealizedLossAccumulatedinInvestments	79700000	USD
CY2012Q4	kmpr	Availableforsale Debt Securities Gross Unrealized Loss Accumulatedin Investments AvailableforsaleDebtSecuritiesGrossUnrealizedLossAccumulatedinInvestments	8100000	USD
CY2012Q4	kmpr	Availableforsale Equity Securities Gross Unrealized Gain Accumulatedin Investments AvailableforsaleEquitySecuritiesGrossUnrealizedGainAccumulatedinInvestments	62500000	USD
CY2013Q4	kmpr	Availableforsale Equity Securities Gross Unrealized Gain Accumulatedin Investments AvailableforsaleEquitySecuritiesGrossUnrealizedGainAccumulatedinInvestments	74700000	USD
CY2012Q4	kmpr	Availableforsale Equity Securities Gross Unrealized Loss Accumulatedin Investments AvailableforsaleEquitySecuritiesGrossUnrealizedLossAccumulatedinInvestments	3300000	USD
CY2013Q4	kmpr	Availableforsale Equity Securities Gross Unrealized Loss Accumulatedin Investments AvailableforsaleEquitySecuritiesGrossUnrealizedLossAccumulatedinInvestments	6200000	USD
CY2012Q4	kmpr	Availableforsale Securities Continuous Unrealized Loss Position12 Monthsor Longer Aggregate Losses Accumulatedin Investments AvailableforsaleSecuritiesContinuousUnrealizedLossPosition12MonthsorLongerAggregateLossesAccumulatedinInvestments	3800000	USD
CY2013Q4	kmpr	Availableforsale Securities Continuous Unrealized Loss Position12 Monthsor Longer Aggregate Losses Accumulatedin Investments AvailableforsaleSecuritiesContinuousUnrealizedLossPosition12MonthsorLongerAggregateLossesAccumulatedinInvestments	9900000	USD
CY2012Q4	kmpr	Availableforsale Securities Continuous Unrealized Loss Position Aggregate Losses Accumulatedin Investments AvailableforsaleSecuritiesContinuousUnrealizedLossPositionAggregateLossesAccumulatedinInvestments	11400000	USD
CY2013Q4	kmpr	Availableforsale Securities Continuous Unrealized Loss Position Aggregate Losses Accumulatedin Investments AvailableforsaleSecuritiesContinuousUnrealizedLossPositionAggregateLossesAccumulatedinInvestments	85900000	USD
CY2012Q4	kmpr	Availableforsale Securities Continuous Unrealized Loss Position Lessthan12 Months Aggregate Losses Accumulatedin Investments AvailableforsaleSecuritiesContinuousUnrealizedLossPositionLessthan12MonthsAggregateLossesAccumulatedinInvestments	7600000	USD
CY2013Q4	kmpr	Availableforsale Securities Continuous Unrealized Loss Position Lessthan12 Months Aggregate Losses Accumulatedin Investments AvailableforsaleSecuritiesContinuousUnrealizedLossPositionLessthan12MonthsAggregateLossesAccumulatedinInvestments	76000000	USD
CY2012	kmpr	Disposal Group Including Discontinued Operation Net Realized Gains On Sales Of Investments DisposalGroupIncludingDiscontinuedOperationNetRealizedGainsOnSalesOfInvestments	0	USD
CY2013	kmpr	Disposal Group Including Discontinued Operation Net Realized Gains On Sales Of Investments DisposalGroupIncludingDiscontinuedOperationNetRealizedGainsOnSalesOfInvestments	0	USD
CY2011	kmpr	Disposal Group Including Discontinued Operation Net Realized Gains On Sales Of Investments DisposalGroupIncludingDiscontinuedOperationNetRealizedGainsOnSalesOfInvestments	400000	USD
CY2013Q4	kmpr	Deferred Tax Liabilities Life Vi Fand Pc Relationships Acquired DeferredTaxLiabilitiesLifeVIFandPCRelationshipsAcquired	20200000	USD
CY2012Q4	kmpr	Deferred Tax Liabilities Life Vi Fand Pc Relationships Acquired DeferredTaxLiabilitiesLifeVIFandPCRelationshipsAcquired	25200000	USD
CY2011	kmpr	Disposal Group Including Discontinued Operation Automobile Finance Revenues DisposalGroupIncludingDiscontinuedOperationAutomobileFinanceRevenues	37700000	USD
CY2012	kmpr	Disposal Group Including Discontinued Operation Automobile Finance Revenues DisposalGroupIncludingDiscontinuedOperationAutomobileFinanceRevenues	12900000	USD
CY2013	kmpr	Disposal Group Including Discontinued Operation Automobile Finance Revenues DisposalGroupIncludingDiscontinuedOperationAutomobileFinanceRevenues	0	USD
CY2012	kmpr	Disposal Group Including Discontinued Operation Interest Loan Fees And Earned Discounts DisposalGroupIncludingDiscontinuedOperationInterestLoanFeesAndEarnedDiscounts	0	USD
CY2004Q3	kmpr	Common Stock Dividends Per Share Declared Preferred Stock Purchase Right Number CommonStockDividendsPerShareDeclaredPreferredStockPurchaseRightNumber	1.0
CY2004Q3	kmpr	Common Stock Dividends Per Share Declared Preferred Stock Purchase Right Term CommonStockDividendsPerShareDeclaredPreferredStockPurchaseRightTerm	10	years
CY2013Q4	kmpr	Company Action Level Rb Cas Percentageof Authorized Control Level Rbc CompanyActionLevelRBCasPercentageofAuthorizedControlLevelRBC	2
CY2013	kmpr	Comprehensive Income Loss Tax ComprehensiveIncomeLossTax	2800000	USD
CY2011	kmpr	Comprehensive Income Loss Tax ComprehensiveIncomeLossTax	70100000	USD
CY2012	kmpr	Comprehensive Income Loss Tax ComprehensiveIncomeLossTax	68400000	USD
CY2012Q4	kmpr	Current And Deferred Income Tax Assets CurrentAndDeferredIncomeTaxAssets	5400000	USD
CY2013Q4	kmpr	Current And Deferred Income Tax Assets CurrentAndDeferredIncomeTaxAssets	31800000	USD
CY2013Q2	kmpr	Deferred Stock Units Issued DeferredStockUnitsIssued	4000	shares
CY2013Q4	kmpr	Deferred Tax Assets Insurance Reserves DeferredTaxAssetsInsuranceReserves	76400000	USD
CY2012Q4	kmpr	Deferred Tax Assets Insurance Reserves DeferredTaxAssetsInsuranceReserves	79300000	USD
CY2013	kmpr	Disposal Group Including Discontinued Operation Interest Loan Fees And Earned Discounts DisposalGroupIncludingDiscontinuedOperationInterestLoanFeesAndEarnedDiscounts	0	USD
CY2011	kmpr	Disposal Group Including Discontinued Operation Interest Loan Fees And Earned Discounts DisposalGroupIncludingDiscontinuedOperationInterestLoanFeesAndEarnedDiscounts	31800000	USD
CY2013	kmpr	Disposal Group Including Discontinued Operation Net Investment Income DisposalGroupIncludingDiscontinuedOperationNetInvestmentIncome	0	USD
CY2012	kmpr	Gross Investment Income GrossInvestmentIncome	327700000	USD
CY2013Q4	kmpr	Dividends To Shareholders That Can Be Paid By Parent Company Without Restrictions DividendsToShareholdersThatCanBePaidByParentCompanyWithoutRestrictions	407000000	USD
CY2011	kmpr	Gain Loss On Investments Excluding Other Than Temporary Impairments From Continuing And Discontinued Operations GainLossOnInvestmentsExcludingOtherThanTemporaryImpairmentsFromContinuingAndDiscontinuedOperations	34100000	USD
CY2012	kmpr	Gain Loss On Investments Excluding Other Than Temporary Impairments From Continuing And Discontinued Operations GainLossOnInvestmentsExcludingOtherThanTemporaryImpairmentsFromContinuingAndDiscontinuedOperations	65400000	USD
CY2013	kmpr	Gain Loss On Investments Excluding Other Than Temporary Impairments From Continuing And Discontinued Operations GainLossOnInvestmentsExcludingOtherThanTemporaryImpairmentsFromContinuingAndDiscontinuedOperations	99100000	USD
CY2011	kmpr	Gross Investment Income GrossInvestmentIncome	325500000	USD
CY2011	kmpr	Equity In Income Losses Of Limited Liability Investment Companies And Limited Partnerships EquityInIncomeLossesOfLimitedLiabilityInvestmentCompaniesAndLimitedPartnerships	9600000	USD
CY2012	kmpr	Equity In Income Losses Of Limited Liability Investment Companies And Limited Partnerships EquityInIncomeLossesOfLimitedLiabilityInvestmentCompaniesAndLimitedPartnerships	9300000	USD
CY2013	kmpr	Equity In Income Losses Of Limited Liability Investment Companies And Limited Partnerships EquityInIncomeLossesOfLimitedLiabilityInvestmentCompaniesAndLimitedPartnerships	26400000	USD
CY2013	kmpr	Fair Value Level1 To Level2 Activity Transfers Amount FairValueLevel1ToLevel2ActivityTransfersAmount	0	USD
CY2012	kmpr	Fair Value Level1 To Level2 Activity Transfers Amount FairValueLevel1ToLevel2ActivityTransfersAmount	0	USD
CY2012	kmpr	Fair Value Level2 To Level1 Activity Transfers Amount FairValueLevel2ToLevel1ActivityTransfersAmount	0	USD
CY2013	kmpr	Fair Value Level2 To Level1 Activity Transfers Amount FairValueLevel2ToLevel1ActivityTransfersAmount	0	USD
CY2013Q2	kmpr	Fair Valueper Deferred Stock Unit Issued FairValueperDeferredStockUnitIssued	31.50
CY2013	kmpr	Gross Investment Income GrossInvestmentIncome	340600000	USD
CY2012	kmpr	Income Loss From Continuing Operations Diluted IncomeLossFromContinuingOperationsDiluted	91300000	USD
CY2011	kmpr	Income Loss From Continuing Operations Diluted IncomeLossFromContinuingOperationsDiluted	61400000	USD
CY2013	kmpr	Income Loss From Continuing Operations Diluted IncomeLossFromContinuingOperationsDiluted	213400000	USD
CY2011	kmpr	Income Taxes Refunded Net IncomeTaxesRefundedNet	4100000	USD
CY2013Q4	kmpr	Increasein Maximum Indebtedness Advancesfrom Fhl Band Issuanceof Surplus Notes IncreaseinMaximumIndebtednessAdvancesfromFHLBandIssuanceofSurplusNotes	150000000	USD
CY2013	kmpr	Insurance Tax Licenses And Fees InsuranceTaxLicensesAndFees	42800000	USD
CY2012	kmpr	Insurance Tax Licenses And Fees InsuranceTaxLicensesAndFees	44700000	USD
CY2011	kmpr	Insurance Tax Licenses And Fees InsuranceTaxLicensesAndFees	46400000	USD
CY2011	kmpr	Interest And Other Expenses InterestAndOtherExpenses	83900000	USD
CY2013	kmpr	Interest And Other Expenses InterestAndOtherExpenses	100500000	USD
CY2012	kmpr	Interest And Other Expenses InterestAndOtherExpenses	85500000	USD
CY2012Q2	kmpr	Interest And Other Expenses InterestAndOtherExpenses	20900000	USD
CY2012Q4	kmpr	Interest And Other Expenses InterestAndOtherExpenses	20100000	USD
CY2012Q3	kmpr	Interest And Other Expenses InterestAndOtherExpenses	22700000	USD
CY2012Q1	kmpr	Interest And Other Expenses InterestAndOtherExpenses	21800000	USD
CY2013Q4	kmpr	Interest And Other Expenses InterestAndOtherExpenses	26200000	USD
CY2013Q2	kmpr	Interest And Other Expenses InterestAndOtherExpenses	25200000	USD
CY2013Q1	kmpr	Interest And Other Expenses InterestAndOtherExpenses	23800000	USD
CY2013Q3	kmpr	Interest And Other Expenses InterestAndOtherExpenses	25300000	USD
CY2011	kmpr	Investment Income Equity Method Limited Liability Investments InvestmentIncomeEquityMethodLimitedLiabilityInvestments	9600000	USD
CY2013	kmpr	Investment Income Equity Method Limited Liability Investments InvestmentIncomeEquityMethodLimitedLiabilityInvestments	26400000	USD
CY2012	kmpr	Investment Income Equity Method Limited Liability Investments InvestmentIncomeEquityMethodLimitedLiabilityInvestments	9300000	USD
CY2012	kmpr	Investment Income Loans To Policyholders InvestmentIncomeLoansToPolicyholders	18900000	USD
CY2013	kmpr	Investment Income Loans To Policyholders InvestmentIncomeLoansToPolicyholders	19800000	USD
CY2011	kmpr	Investment Income Loans To Policyholders InvestmentIncomeLoansToPolicyholders	17700000	USD
CY2012	kmpr	Investment Income Other InvestmentIncomeOther	100000	USD
CY2013	kmpr	Investment Income Other InvestmentIncomeOther	0	USD
CY2011	kmpr	Investment Income Other InvestmentIncomeOther	300000	USD
CY2013	kmpr	Loss Threshold For Catastrophic Events Classification LossThresholdForCatastrophicEventsClassification	25000000	USD
CY2013Q4	kmpr	Maximum Indebtedness Advancesfrom Fhl Band Issuanceof Surplus Notes MaximumIndebtednessAdvancesfromFHLBandIssuanceofSurplusNotes	250000000	USD
CY2012	kmpr	Investment Income Real Estate InvestmentIncomeRealEstate	27400000	USD
CY2013	kmpr	Investment Income Real Estate InvestmentIncomeRealEstate	20800000	USD
CY2011	kmpr	Investment Income Real Estate InvestmentIncomeRealEstate	26000000	USD
CY2011	kmpr	Investment Income Short Term Investments InvestmentIncomeShortTermInvestments	100000	USD
CY2013	kmpr	Investment Income Short Term Investments InvestmentIncomeShortTermInvestments	100000	USD
CY2012	kmpr	Investment Income Short Term Investments InvestmentIncomeShortTermInvestments	200000	USD
CY2012Q4	kmpr	Liabilities For Income Taxes LiabilitiesForIncomeTaxes	21500000	USD
CY2013Q4	kmpr	Liabilities For Income Taxes LiabilitiesForIncomeTaxes	8300000	USD
CY2013	kmpr	Operating Income Loss Net Of Taxes OperatingIncomeLossNetOfTaxes	159200000	USD
CY2013Q4	kmpr	Maximum Indebtedness Issuanceof Surplus Notes MaximumIndebtednessIssuanceofSurplusNotes	100000000	USD
CY2011	kmpr	Operating Income Loss Net Of Taxes OperatingIncomeLossNetOfTaxes	47100000	USD
CY2012	kmpr	Operating Income Loss Net Of Taxes OperatingIncomeLossNetOfTaxes	53800000	USD
CY2013Q4	kmpr	Other Investments Other OtherInvestmentsOther	500000	USD
CY2012Q4	kmpr	Other Investments Other OtherInvestmentsOther	500000	USD
CY2013Q4	kmpr	Outstanding Commitments To Fund Equity Method Limited Liability Investments OutstandingCommitmentsToFundEquityMethodLimitedLiabilityInvestments	50400000	USD
CY2011	kmpr	Realized Investment Gains RealizedInvestmentGains	48300000	USD
CY2012	kmpr	Realized Investment Gains RealizedInvestmentGains	65400000	USD
CY2013	kmpr	Realized Investment Gains RealizedInvestmentGains	99500000	USD
CY2012	kmpr	Realized Investment Losses RealizedInvestmentLosses	300000	USD
CY2011	kmpr	Realized Investment Losses RealizedInvestmentLosses	13700000	USD
CY2013	kmpr	Realized Investment Losses RealizedInvestmentLosses	1000000	USD
CY2013	kmpr	Sales Paydownsand Maturitiesof Fixed Maturities SalesPaydownsandMaturitiesofFixedMaturities	664400000	USD
CY2012	kmpr	Sales Paydownsand Maturitiesof Fixed Maturities SalesPaydownsandMaturitiesofFixedMaturities	914400000	USD
CY2011	kmpr	Sales Paydownsand Maturitiesof Fixed Maturities SalesPaydownsandMaturitiesofFixedMaturities	650300000	USD
CY2013	kmpr	Share Based Awards Net Of Shares Exchanged ShareBasedAwardsNetOfSharesExchanged	-700000	USD
CY2012	kmpr	Share Based Awards Net Of Shares Exchanged ShareBasedAwardsNetOfSharesExchanged	-1200000	USD
CY2011	kmpr	Share Based Awards Net Of Shares Exchanged ShareBasedAwardsNetOfSharesExchanged	-1300000	USD
CY2013	kmpr	Share Based Compensation Arrangement By Share Based Payment Award Automatic Annual Grant Non Employee Directors Options ShareBasedCompensationArrangementByShareBasedPaymentAwardAutomaticAnnualGrantNonEmployeeDirectorsOptions	4000	shares
CY2013	kmpr	Sharebased Compensation Initial Grant For Non Employee Director Options SharebasedCompensationInitialGrantForNonEmployeeDirectorOptions	4000	shares
CY2012	kmpr	Supplementary Insurance Information Other Income SupplementaryInsuranceInformationOtherIncome	800000	USD
CY2011	kmpr	Supplementary Insurance Information Other Income SupplementaryInsuranceInformationOtherIncome	1000000	USD
CY2013	kmpr	Supplementary Insurance Information Other Income SupplementaryInsuranceInformationOtherIncome	800000	USD
CY2012	kmpr	Total Incurred Costs Insurance TotalIncurredCostsInsurance	673700000	USD
CY2011	kmpr	Total Incurred Costs Insurance TotalIncurredCostsInsurance	680000000	USD
CY2013	kmpr	Total Incurred Costs Insurance TotalIncurredCostsInsurance	645600000	USD
CY2012Q4	kmpr	Unrecognized Tax Benefit That Would Not Impact Effective Tax Rate Tax Position With Uncertain Timing Of Deductibility UnrecognizedTaxBenefitThatWouldNotImpactEffectiveTaxRateTaxPositionWithUncertainTimingOfDeductibility	3500000	USD
CY2013Q4	kmpr	Unrecognized Tax Benefit That Would Not Impact Effective Tax Rate Tax Position With Uncertain Timing Of Deductibility UnrecognizedTaxBenefitThatWouldNotImpactEffectiveTaxRateTaxPositionWithUncertainTimingOfDeductibility	3400000	USD
CY2011Q4	kmpr	Unrecognized Tax Benefit That Would Not Impact Effective Tax Rate Tax Position With Uncertain Timing Of Deductibility UnrecognizedTaxBenefitThatWouldNotImpactEffectiveTaxRateTaxPositionWithUncertainTimingOfDeductibility	3700000	USD
CY2013	dei	Amendment Flag AmendmentFlag	false
CY2013	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
CY2013	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	FY
CY2013	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2013
CY2013	dei	Document Period End Date DocumentPeriodEndDate	2013-12-31
CY2013	dei	Document Type DocumentType	10-K
CY2013	dei	Entity Central Index Key EntityCentralIndexKey	0000860748
CY2014Q1	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	55510825	shares
CY2013	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
CY2013	dei	Entity Filer Category EntityFilerCategory	Large Accelerated Filer
CY2013Q2	dei	Entity Public Float EntityPublicFloat	1900000000	USD
CY2013	dei	Entity Registrant Name EntityRegistrantName	KEMPER Corporation
CY2013	dei	Entity Voluntary Filers EntityVoluntaryFilers	No
CY2013	dei	Entity Well Known Seasoned Issuer EntityWellKnownSeasonedIssuer	Yes
CY2013	dei	Trading Symbol TradingSymbol	KMPR

Files In Submission

Name	View Source	Status
0000860748-14-000026-index-headers.html	Edgar Link	pending
0000860748-14-000026-index.html	Edgar Link	pending
0000860748-14-000026.txt	Edgar Link	pending
0000860748-14-000026-xbrl.zip	Edgar Link	pending
fhlbtrinityaddendumto_image1.gif	Edgar Link	pending
FilingSummary.xml	Edgar Link	unprocessable
Financial_Report.xls	Edgar Link	pending
Financial_Report.xlsx	Edgar Link	pending
kmpr-20131231.xml	Edgar Link	completed
kmpr-20131231.xsd	Edgar Link	pending
kmpr-20131231_cal.xml	Edgar Link	unprocessable
kmpr-20131231_def.xml	Edgar Link	unprocessable
kmpr-20131231_lab.xml	Edgar Link	unprocessable
kmpr-20131231_pre.xml	Edgar Link	unprocessable
kmpr1231201310k.htm	Edgar Link	pending
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kmpr201312312013ex101credi.htm	Edgar Link	pending
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$KMPR
Kemper Corp Stock $kmpr

2012 Q4 Form 10-K Financial Statement

#000086074814000026 Filed on February 14, 2014

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$KMPR Kemper Corp Stock $kmpr

2012 Q4 Form 10-K Financial Statement

#000086074814000026 Filed on February 14, 2014

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$KMPR
Kemper Corp Stock $kmpr