2011 Q4 Form 10-K Financial Statement
#000119312513075166 Filed on February 26, 2013
Income Statement
Concept | 2011 Q4 | 2011 Q3 | 2011 Q2 |
---|---|---|---|
Revenue | $1.136B | $1.108B | $853.9M |
YoY Change | 36.31% | 37.81% | 11.14% |
Cost Of Revenue | $734.9M | $617.5M | |
YoY Change | |||
Gross Profit | $373.1M | $236.4M | |
YoY Change | |||
Gross Profit Margin | 33.67% | 27.68% | |
Selling, General & Admin | |||
YoY Change | |||
% of Gross Profit | |||
Research & Development | |||
YoY Change | |||
% of Gross Profit | |||
Depreciation & Amortization | $14.40M | $222.3M | $162.7M |
YoY Change | 206.38% | 5192.86% | 4297.3% |
% of Gross Profit | 59.58% | 68.82% | |
Operating Expenses | $1.056B | $1.110B | $903.3M |
YoY Change | 41.88% | 54.35% | 19.88% |
Operating Profit | -$8.200M | -$47.30M | |
YoY Change | |||
Interest Expense | -$16.40M | -$17.40M | -$10.80M |
YoY Change | 42.61% | 47.46% | -7.69% |
% of Operating Profit | |||
Other Income/Expense, Net | |||
YoY Change | |||
Pretax Income | $63.60M | -$25.60M | -$58.10M |
YoY Change | -15.87% | -135.02% | -1974.19% |
Income Tax | $17.20M | -$9.300M | -$27.40M |
% Of Pretax Income | 27.04% | ||
Net Earnings | $49.60M | -$10.00M | -$32.20M |
YoY Change | -15.07% | -119.12% | -1500.0% |
Net Earnings / Revenue | 4.37% | -0.9% | -3.77% |
Basic Earnings Per Share | $1.10 | -$0.22 | -$0.71 |
Diluted Earnings Per Share | $1.09 | -$0.22 | -$0.71 |
COMMON SHARES | |||
Basic Shares Outstanding | 45.30M shares | 45.40M shares | |
Diluted Shares Outstanding | 45.30M shares | 45.40M shares |
Balance Sheet
Concept | 2011 Q4 | 2011 Q3 | 2011 Q2 |
---|---|---|---|
SHORT-TERM ASSETS | |||
Cash & Short-Term Investments | |||
YoY Change | |||
Cash & Equivalents | $820.4M | $922.7M | $721.6M |
Short-Term Investments | |||
Other Short-Term Assets | |||
YoY Change | |||
Inventory | |||
Prepaid Expenses | |||
Receivables | |||
Other Receivables | |||
Total Short-Term Assets | |||
YoY Change | |||
LONG-TERM ASSETS | |||
Property, Plant & Equipment | |||
YoY Change | |||
Goodwill | $185.5M | ||
YoY Change | |||
Intangibles | |||
YoY Change | |||
Long-Term Investments | $6.721B | $6.668B | $4.906B |
YoY Change | 35.34% | 31.47% | 0.7% |
Other Assets | $395.0M | $343.0M | $302.0M |
YoY Change | 27.01% | 37.2% | 9.82% |
Total Long-Term Assets | |||
YoY Change | |||
TOTAL ASSETS | |||
Total Short-Term Assets | |||
Total Long-Term Assets | |||
Total Assets | $12.60B | $12.69B | $8.981B |
YoY Change | 47.01% | 47.55% | 7.26% |
SHORT-TERM LIABILITIES | |||
YoY Change | |||
Accounts Payable | |||
YoY Change | |||
Accrued Expenses | |||
YoY Change | |||
Deferred Revenue | |||
YoY Change | |||
Short-Term Debt | $0.00 | $0.00 | $0.00 |
YoY Change | |||
Long-Term Debt Due | |||
YoY Change | |||
Total Short-Term Liabilities | $643.0M | $673.0M | $519.0M |
YoY Change | 18.63% | 28.44% | 3.59% |
LONG-TERM LIABILITIES | |||
Long-Term Debt | $911.0M | $902.0M | $858.0M |
YoY Change | 50.33% | 40.94% | 35.76% |
Other Long-Term Liabilities | $129.0M | $128.0M | $127.0M |
YoY Change | 0.0% | -5.19% | -4.51% |
Total Long-Term Liabilities | $1.040B | $1.030B | $985.0M |
YoY Change | 41.5% | 32.9% | 28.76% |
TOTAL LIABILITIES | |||
Total Short-Term Liabilities | $643.0M | $673.0M | $519.0M |
Total Long-Term Liabilities | $1.040B | $1.030B | $985.0M |
Total Liabilities | $10.11B | $10.23B | $6.496B |
YoY Change | 65.57% | 67.21% | 7.87% |
SHAREHOLDERS EQUITY | |||
Retained Earnings | $1.211B | ||
YoY Change | |||
Common Stock | $600.0K | ||
YoY Change | |||
Preferred Stock | |||
YoY Change | |||
Treasury Stock (at cost) | $723.1M | ||
YoY Change | |||
Treasury Stock Shares | 15.90M shares | ||
Shareholders Equity | $2.484B | $2.429B | $2.462B |
YoY Change | |||
Total Liabilities & Shareholders Equity | $12.60B | $12.69B | $8.981B |
YoY Change | 47.01% | 47.55% | 7.26% |
Cashflow Statement
Concept | 2011 Q4 | 2011 Q3 | 2011 Q2 |
---|---|---|---|
OPERATING ACTIVITIES | |||
Net Income | $49.60M | -$10.00M | -$32.20M |
YoY Change | -15.07% | -119.12% | -1500.0% |
Depreciation, Depletion And Amortization | $14.40M | $222.3M | $162.7M |
YoY Change | 206.38% | 5192.86% | 4297.3% |
Cash From Operating Activities | -$64.90M | $183.7M | $78.60M |
YoY Change | -166.56% | 140.13% | 185.82% |
INVESTING ACTIVITIES | |||
Capital Expenditures | -$6.700M | -$5.300M | -$2.400M |
YoY Change | 55.81% | 130.43% | 14.29% |
Acquisitions | |||
YoY Change | |||
Other Investing Activities | -$41.70M | $105.8M | $170.6M |
YoY Change | 1.46% | -220.64% | 293.09% |
Cash From Investing Activities | -$48.40M | $100.5M | $168.2M |
YoY Change | 6.61% | -211.67% | 307.26% |
FINANCING ACTIVITIES | |||
Cash Dividend Paid | |||
YoY Change | |||
Common Stock Issuance & Retirement, Net | |||
YoY Change | |||
Debt Paid & Issued, Net | |||
YoY Change | |||
Cash From Financing Activities | -13.50M | -54.70M | 256.0M |
YoY Change | -59.46% | -326.03% | -1597.08% |
NET CHANGE | |||
Cash From Operating Activities | -64.90M | 183.7M | 78.60M |
Cash From Investing Activities | -48.40M | 100.5M | 168.2M |
Cash From Financing Activities | -13.50M | -54.70M | 256.0M |
Net Change In Cash | -126.8M | 229.5M | 502.8M |
YoY Change | -774.47% | 2044.86% | 872.53% |
FREE CASH FLOW | |||
Cash From Operating Activities | -$64.90M | $183.7M | $78.60M |
Capital Expenditures | -$6.700M | -$5.300M | -$2.400M |
Free Cash Flow | -$58.20M | $189.0M | $81.00M |
YoY Change | -157.17% | 139.85% | 173.65% |
Facts In Submission
Frame | Concept Type | Concept / XBRL Key | Value | Unit |
---|---|---|---|---|
CY2012Q2 | dei |
Entity Public Float
EntityPublicFloat
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1710334422 | |
CY2012Q4 | us-gaap |
Goodwill
Goodwill
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CY2012Q4 | us-gaap |
Operating Leases Future Minimum Payments Due Current
OperatingLeasesFutureMinimumPaymentsDueCurrent
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18000000 | |
CY2012Q4 | us-gaap |
Supplemental Information For Property Casualty Insurance Underwriters Unearned Premiums
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2474800000 | |
CY2012Q4 | us-gaap |
Available For Sale Securities Continuous Unrealized Loss Position Less Than Twelve Months Fair Value
AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue
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CY2012Q4 | us-gaap |
Accrued Investment Income Receivable
AccruedInvestmentIncomeReceivable
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CY2012Q4 | us-gaap |
Deferred Tax Assets Net
DeferredTaxAssetsNet
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267600000 | |
CY2012Q4 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Number Of Shares Available For Grant
ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant
|
1351319 | shares |
CY2012Q4 | us-gaap |
Debt Instrument Carrying Amount
DebtInstrumentCarryingAmount
|
851900000 | |
CY2012Q4 | us-gaap |
Liability For Unpaid Claims And Claims Adjustment Expense Net
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|
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CY2012Q4 | us-gaap |
New Accounting Pronouncement Or Change In Accounting Principle Cumulative Effect Of Change On Equity Or Net Assets1
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CY2012Q4 | us-gaap |
Other Investments
OtherInvestments
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CY2012Q4 | us-gaap |
Available For Sale Securities Debt Maturities Within One Year Fair Value
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CY2012Q4 | us-gaap |
Marketable Securities Restricted
MarketableSecuritiesRestricted
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CY2012Q4 | us-gaap |
Available For Sale Securities Debt Maturities After Five Through Ten Years Fair Value
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CY2012Q4 | us-gaap |
Deferred Tax Assets Valuation Allowance
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Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Number
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CY2012Q4 | us-gaap |
Stockholders Equity
StockholdersEquity
|
2595400000 | |
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Assets Of Disposal Group Including Discontinued Operation
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130500000 | |
CY2012Q4 | us-gaap |
Operating Leases Future Minimum Payments Due In Four Years
OperatingLeasesFutureMinimumPaymentsDueInFourYears
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7200000 | |
CY2012Q4 | us-gaap |
Area Of Real Estate Property
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200000 | sqft |
CY2012Q4 | us-gaap |
Other Assets
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511800000 | |
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Available For Sale Securities Amortized Cost
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Availableforsale Securities Continuous Unrealized Loss Position Less Than12 Months Aggregate Losses2
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Commitments And Contingencies
CommitmentsAndContingencies
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Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized
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CY2012Q4 | us-gaap |
Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Intrinsic Value1
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Common Stock Shares Authorized
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Deferred Tax Assets Tax Credit Carryforwards Alternative Minimum Tax
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Reinsurance Recoverables
ReinsuranceRecoverables
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Defined Benefit Plan Year That Rate Reaches Ultimate Trend Rate
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Liability For Unpaid Claims And Claims Adjustment Expense Gross
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Treasury Stock Shares
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Deferred Tax Liabilities
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Restricted Cash And Cash Equivalents
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Supplemental Information For Property Casualty Insurance Underwriters Discount Deducted From Reserves
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Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Weighted Average Exercise Price
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Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value
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Foreign Currency Exchange Rate Translation1
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Supplementary Insurance Information Deferred Policy Acquisition Costs
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Premiums And Other Receivables Net
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Available For Sale Securities Continuous Unrealized Loss Position Fair Value
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Liabilities
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Available For Sale Securities Debt Maturities After One Through Five Years Amortized Cost
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Supplementary Insurance Information Other Policy Claims And Benefits Payable
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Preferred Stock Shares Authorized
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Retained Earnings Accumulated Deficit
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Investments
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400000 | |
CY2012Q4 | us-gaap |
Long Term Debt
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CY2012Q4 | us-gaap |
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Treasury Stock Value
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299000000 | |
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Cash And Cash Equivalents At Carrying Value
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Common Stock Shares Issued
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Available For Sale Securities Debt Maturities Amortized Cost
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3200000 | |
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Deferred Tax Liabilities Investments
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CY2012Q4 | us-gaap |
Accounts Payable And Accrued Liabilities Current And Noncurrent
AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent
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CY2012Q4 | us-gaap |
Deferred Policy Acquisition Costs
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489500000 | |
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Availableforsale Securities Continuous Unrealized Loss Position12 Months Or Longer Aggregate Losses2
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15400000 | |
CY2012Q4 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber
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2892882 | shares |
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Common Stock Value
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600000 | |
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Common Stock Par Or Stated Value Per Share
CommonStockParOrStatedValuePerShare
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0.01 | |
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Reinsurance Payable
ReinsurancePayable
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466200000 | |
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58400000 | |
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523100000 | |
CY2012Q4 | us-gaap |
Preferred Stock Shares Issued
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CY2012Q4 | us-gaap |
Preferred Stock Value
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Available For Sale Securities Debt Maturities After Five Through Ten Years Amortized Cost
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1750900000 | |
CY2012Q4 | us-gaap |
Operating Leases Future Minimum Payments Due
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58500000 | |
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Unamortized Debt Issuance Expense
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1787100000 | |
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Summary Of Investments Other Than Investments In Related Parties Carrying Amount
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7478300000 | |
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57000000 | |
CY2012Q4 | us-gaap |
Sale Of Stock Price Per Share
SaleOfStockPricePerShare
|
0.533 | |
CY2012Q4 | us-gaap |
Unearned Premiums
UnearnedPremiums
|
2474800000 | |
CY2012Q4 | us-gaap |
Deferred Tax Liabilities Undistributed Foreign Earnings
DeferredTaxLiabilitiesUndistributedForeignEarnings
|
8000000 | |
CY2012Q4 | us-gaap |
Liabilities Of Disposal Group Including Discontinued Operation
LiabilitiesOfDisposalGroupIncludingDiscontinuedOperation
|
126300000 | |
CY2012Q4 | us-gaap |
Available For Sale Securities Fair Value Disclosure
AvailableForSaleSecuritiesFairValueDisclosure
|
5548200000 | |
CY2012Q4 | thg |
Percentage Of Net Earned Premium
PercentageOfNetEarnedPremium
|
0.1621 | pure |
CY2012Q4 | thg |
Concentration Of Investment In Single Investee Maximum
ConcentrationOfInvestmentInSingleInvesteeMaximum
|
0.10 | pure |
CY2012Q4 | thg |
Reinsurance Recoverables On Unpaid Losses Property Casualty Liability
ReinsuranceRecoverablesOnUnpaidLossesPropertyCasualtyLiability
|
2074300000 | |
CY2012Q4 | thg |
Available For Sale Securities Otti Unrealized Loss
AvailableForSaleSecuritiesOttiUnrealizedLoss
|
11000000 | |
CY2012Q4 | thg |
Deferred Tax Assets Untaxed Underwriting Losses
DeferredTaxAssetsUntaxedUnderwritingLosses
|
13500000 | |
CY2012Q4 | thg |
Estimated Taxes Payable On Undistributed Earnings
EstimatedTaxesPayableOnUndistributedEarnings
|
5000000 | |
CY2012Q4 | thg |
Deferred Tax Assets Net Of Valuation Allowance
DeferredTaxAssetsNetOfValuationAllowance
|
523100000 | |
CY2012Q4 | thg |
Available For Sale Equity Securities Unrealized Other Than Temporary Impairment Losses
AvailableForSaleEquitySecuritiesUnrealizedOtherThanTemporaryImpairmentLosses
|
||
CY2012Q4 | thg |
Other Comprehensive Income Appreciation Depreciation On Derivative During Period Net Of Tax
OtherComprehensiveIncomeAppreciationDepreciationOnDerivativeDuringPeriodNetOfTax
|
1000000 | |
CY2006Q2 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Number Of Shares Authorized
ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized
|
3000000 | shares |
CY2011Q2 | thg |
Aggregate Purchase Price
AggregatePurchasePrice
|
297700000 | |
CY2011Q2 | thg |
Aggregate Purchase Price
AggregatePurchasePrice
|
485300000 | |
CY2011Q3 | us-gaap |
Business Acquisition Cost Of Acquired Entity Liabilities Incurred
BusinessAcquisitionCostOfAcquiredEntityLiabilitiesIncurred
|
9500000 | |
CY2011Q3 | us-gaap |
Business Acquisition Cost Of Acquired Entity Liabilities Incurred
BusinessAcquisitionCostOfAcquiredEntityLiabilitiesIncurred
|
15300000 | |
CY2011Q3 | us-gaap |
Business Acquisition Cost Of Acquired Entity Cash Paid
BusinessAcquisitionCostOfAcquiredEntityCashPaid
|
287400000 | |
CY2011Q3 | us-gaap |
Business Acquisition Cost Of Acquired Entity Cash Paid
BusinessAcquisitionCostOfAcquiredEntityCashPaid
|
455000000 | |
CY2011Q3 | us-gaap |
Business Acquisition Cost Of Acquired Entity Purchase Price
BusinessAcquisitionCostOfAcquiredEntityPurchasePrice
|
296900000 | |
CY2011Q3 | us-gaap |
Business Acquisition Cost Of Acquired Entity Purchase Price
BusinessAcquisitionCostOfAcquiredEntityPurchasePrice
|
481600000 | |
CY2011Q3 | us-gaap |
Notional Amount Of Foreign Currency Derivatives
NotionalAmountOfForeignCurrencyDerivatives
|
297900000 | |
CY2011Q3 | thg |
Foreign Exchange Forward Settlement
ForeignExchangeForwardSettlement
|
11300000 | |
CY2011Q3 | thg |
Aggregate Purchase Price
AggregatePurchasePrice
|
485300000 | |
CY2009Q4 | thg |
Number Of Named Plaintiffs
NumberOfNamedPlaintiffs
|
2 | Plaintiff |
CY2011Q2 | us-gaap |
Business Acquisition Purchase Price Allocation Current Assets Receivables
BusinessAcquisitionPurchasePriceAllocationCurrentAssetsReceivables
|
469500000 | |
CY2011Q2 | us-gaap |
Business Acquisition Purchase Price Allocation Current Assets Cash And Cash Equivalents
BusinessAcquisitionPurchasePriceAllocationCurrentAssetsCashAndCashEquivalents
|
756100000 | |
CY2011Q2 | us-gaap |
Business Acquisition Purchase Price Allocation Net Tangible Assets
BusinessAcquisitionPurchasePriceAllocationNetTangibleAssets
|
383000000 | |
CY2011Q2 | us-gaap |
Business Acquisition Purchase Price Allocation Goodwill Amount
BusinessAcquisitionPurchasePriceAllocationGoodwillAmount
|
6000000 | |
CY2011Q2 | us-gaap |
Business Acquisition Purchase Price Allocation Other Noncurrent Assets
BusinessAcquisitionPurchasePriceAllocationOtherNoncurrentAssets
|
18100000 | |
CY2011Q2 | us-gaap |
Business Acquisition Cost Of Acquired Entity Purchase Price
BusinessAcquisitionCostOfAcquiredEntityPurchasePrice
|
493300000 | |
CY2011Q2 | us-gaap |
Business Acquisition Cost Of Acquired Entity Transaction Costs
BusinessAcquisitionCostOfAcquiredEntityTransactionCosts
|
11700000 | |
CY2011Q2 | us-gaap |
Business Acquisition Purchase Price Allocation Current Liabilities Other Liabilities
BusinessAcquisitionPurchasePriceAllocationCurrentLiabilitiesOtherLiabilities
|
64400000 | |
CY2011Q2 | us-gaap |
Business Acquisition Purchase Price Allocation Current Assets Marketable Securities
BusinessAcquisitionPurchasePriceAllocationCurrentAssetsMarketableSecurities
|
1630800000 | |
CY2011Q2 | us-gaap |
Business Acquisition Purchase Price Allocation Current Liabilities Long Term Debt
BusinessAcquisitionPurchasePriceAllocationCurrentLiabilitiesLongTermDebt
|
63300000 | |
CY2011Q2 | us-gaap |
Business Acquisition Purchase Price Allocation Deferred Income Taxes Asset Liability Net
BusinessAcquisitionPurchasePriceAllocationDeferredIncomeTaxesAssetLiabilityNet
|
52400000 | |
CY2011Q2 | thg |
Business Acquisition Purchase Price Allocation Intangible Assets
BusinessAcquisitionPurchasePriceAllocationIntangibleAssets
|
87700000 | |
CY2011Q2 | thg |
Business Acquisition Purchase Price Allocation Deferred Acquisition Costs
BusinessAcquisitionPurchasePriceAllocationDeferredAcquisitionCosts
|
171900000 | |
CY2011Q2 | thg |
Foreign Exchange Forward Settlement
ForeignExchangeForwardSettlement
|
4900000 | |
CY2011Q2 | thg |
Business Acquisition Purchase Price Allocation Reinsurance Recoverables Net
BusinessAcquisitionPurchasePriceAllocationReinsuranceRecoverablesNet
|
569800000 | |
CY2011Q2 | thg |
Business Acquisition Purchase Price Allocation Deferred Loss And Loss Adjustment Expense Reserves
BusinessAcquisitionPurchasePriceAllocationDeferredLossAndLossAdjustmentExpenseReserves
|
2300600000 | |
CY2011Q2 | thg |
Business Acquisition Purchase Price Allocation Deferred Unearned Premiums
BusinessAcquisitionPurchasePriceAllocationDeferredUnearnedPremiums
|
857300000 | |
CY2011Q2 | thg |
Intangible Asset Including Goodwill Fair Value
IntangibleAssetIncludingGoodwillFairValue
|
93700000 | |
CY2005Q1 | thg |
Defined Benefit Plan Interest Rate Used Calculating Annual Transition Pension Adjustment After Specific Completed Period Of Service
DefinedBenefitPlanInterestRateUsedCalculatingAnnualTransitionPensionAdjustmentAfterSpecificCompletedPeriodOfService
|
35 | Y |
CY2005Q1 | thg |
Defined Benefit Plan Interest Rate Used Calculating Annual Transition Pension Adjustment For Specified Completed Period Of Service
DefinedBenefitPlanInterestRateUsedCalculatingAnnualTransitionPensionAdjustmentForSpecifiedCompletedPeriodOfService
|
0.05 | pure |
CY2005Q1 | thg |
Defined Benefit Plan Interest Rate Used Calculating Annual Transition Pension Adjustment Thereafter
DefinedBenefitPlanInterestRateUsedCalculatingAnnualTransitionPensionAdjustmentThereafter
|
0.03 | pure |
CY2009Q4 | us-gaap |
Liability For Unpaid Claims And Claims Adjustment Expense Net
LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseNet
|
2093700000 | |
CY2009Q4 | us-gaap |
Deferred Tax Assets Valuation Allowance
DeferredTaxAssetsValuationAllowance
|
195600000 | |
CY2009Q4 | us-gaap |
Liability For Unpaid Claims And Claims Adjustment Expense Gross
LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseGross
|
3153900000 | |
CY2009Q4 | us-gaap |
Unrecognized Tax Benefits
UnrecognizedTaxBenefits
|
800000 | |
CY2009Q4 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice
|
39.16 | |
CY2009Q4 | us-gaap |
Other Than Temporary Impairment Credit Losses Recognized In Earnings Credit Losses On Debt Securities Held
OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsCreditLossesOnDebtSecuritiesHeld
|
20000000 | |
CY2009Q4 | us-gaap |
Valuation Allowances And Reserves Balance
ValuationAllowancesAndReservesBalance
|
6400000 | |
CY2009Q4 | us-gaap |
Cash And Cash Equivalents At Carrying Value
CashAndCashEquivalentsAtCarryingValue
|
316500000 | |
CY2009Q4 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber
|
3131142 | shares |
CY2009Q4 | thg |
Reinsurance Recoverables On Unpaid Losses Property Casualty Liability
ReinsuranceRecoverablesOnUnpaidLossesPropertyCasualtyLiability
|
1060200000 | |
CY2010Q4 | us-gaap |
Supplemental Information For Property Casualty Insurance Underwriters Unearned Premiums
SupplementalInformationForPropertyCasualtyInsuranceUnderwritersUnearnedPremiums
|
1520300000 | |
CY2010Q4 | us-gaap |
Liability For Unpaid Claims And Claims Adjustment Expense Net
LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseNet
|
2162200000 | |
CY2010Q4 | us-gaap |
Deferred Tax Assets Valuation Allowance
DeferredTaxAssetsValuationAllowance
|
91500000 | |
CY2010Q4 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Number
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber
|
2037159 | shares |
CY2010Q4 | us-gaap |
Stockholders Equity
StockholdersEquity
|
2437400000 | |
CY2010Q4 | us-gaap |
Liability For Unpaid Claims And Claims Adjustment Expense Gross
LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseGross
|
3277700000 | |
CY2010Q4 | us-gaap |
Supplemental Information For Property Casualty Insurance Underwriters Discount Deducted From Reserves
SupplementalInformationForPropertyCasualtyInsuranceUnderwritersDiscountDeductedFromReserves
|
||
CY2010Q4 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Weighted Average Exercise Price
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice
|
39.74 | |
CY2010Q4 | us-gaap |
Supplementary Insurance Information Deferred Policy Acquisition Costs
SupplementaryInsuranceInformationDeferredPolicyAcquisitionCosts
|
309700000 | |
CY2010Q4 | us-gaap |
Prepaid Reinsurance Premiums
PrepaidReinsurancePremiums
|
77000000 | |
CY2010Q4 | us-gaap |
Supplementary Insurance Information Unearned Premiums
SupplementaryInsuranceInformationUnearnedPremiums
|
1520300000 | |
CY2010Q4 | us-gaap |
Unrecognized Tax Benefits
UnrecognizedTaxBenefits
|
800000 | |
CY2010Q4 | us-gaap |
Supplementary Insurance Information Other Policy Claims And Benefits Payable
SupplementaryInsuranceInformationOtherPolicyClaimsAndBenefitsPayable
|
1900000 | |
CY2010Q4 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice
|
39.22 | |
CY2010Q4 | us-gaap |
Other Than Temporary Impairment Credit Losses Recognized In Earnings Credit Losses On Debt Securities Held
OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsCreditLossesOnDebtSecuritiesHeld
|
16700000 | |
CY2010Q4 | us-gaap |
Supplemental Information For Property Casualty Insurance Underwriters Deferred Policy Acquisition Costs
SupplementalInformationForPropertyCasualtyInsuranceUnderwritersDeferredPolicyAcquisitionCosts
|
309700000 | |
CY2010Q4 | us-gaap |
Investment Owned Unrecognized Unrealized Appreciation Depreciation Net
InvestmentOwnedUnrecognizedUnrealizedAppreciationDepreciationNet
|
1800000 | |
CY2010Q4 | us-gaap |
Valuation Allowances And Reserves Balance
ValuationAllowancesAndReservesBalance
|
5900000 | |
CY2010Q4 | us-gaap |
Supplemental Information For Property Casualty Insurance Underwriters Reserves For Unpaid Claims And Claims Adjustment Expense
SupplementalInformationForPropertyCasualtyInsuranceUnderwritersReservesForUnpaidClaimsAndClaimsAdjustmentExpense
|
3277700000 | |
CY2010Q4 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber
|
2843909 | shares |
CY2010Q4 | us-gaap |
Supplementary Insurance Information Liability For Future Policy Benefits Losses Claims And Loss Expense Reserves
SupplementaryInsuranceInformationLiabilityForFuturePolicyBenefitsLossesClaimsAndLossExpenseReserves
|
3275800000 | |
CY2010Q4 | us-gaap |
Cash And Cash Equivalents At Carrying Value
CashAndCashEquivalentsAtCarryingValue
|
290400000 | |
CY2010Q4 | us-gaap |
Reserve For Losses And Loss Adjustment Expenses
ReserveForLossesAndLossAdjustmentExpenses
|
1115500000 | |
CY2010Q4 | us-gaap |
Liability For Asbestos And Environmental Claims Net
LiabilityForAsbestosAndEnvironmentalClaimsNet
|
63900000 | |
CY2010Q4 | us-gaap |
Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Value
FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue
|
70900000 | |
CY2010Q4 | us-gaap |
Land Available For Development
LandAvailableForDevelopment
|
5000000 | |
CY2010Q4 | thg |
Percentage Of Net Earned Premium
PercentageOfNetEarnedPremium
|
0.0615 | pure |
CY2010Q4 | thg |
Land Purchased
LandPurchased
|
11 | pure |
CY2010Q4 | thg |
Reinsurance Recoverables On Unpaid Losses Property Casualty Liability
ReinsuranceRecoverablesOnUnpaidLossesPropertyCasualtyLiability
|
1115500000 | |
CY2010Q4 | thg |
Foreign Currency Exchange Rates Translation
ForeignCurrencyExchangeRatesTranslation
|
1.55 | pure |
CY2011Q4 | us-gaap |
Goodwill
Goodwill
|
185500000 | |
CY2011Q4 | us-gaap |
Supplemental Information For Property Casualty Insurance Underwriters Unearned Premiums
SupplementalInformationForPropertyCasualtyInsuranceUnderwritersUnearnedPremiums
|
2292100000 | |
CY2011Q4 | us-gaap |
Available For Sale Securities Continuous Unrealized Loss Position Less Than Twelve Months Fair Value
AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue
|
1389600000 | |
CY2011Q4 | us-gaap |
Accrued Investment Income Receivable
AccruedInvestmentIncomeReceivable
|
71800000 | |
CY2011Q4 | us-gaap |
Deferred Tax Assets Net
DeferredTaxAssetsNet
|
274000000 | |
CY2011Q4 | us-gaap |
Debt Instrument Carrying Amount
DebtInstrumentCarryingAmount
|
917800000 | |
CY2011Q4 | us-gaap |
Liability For Unpaid Claims And Claims Adjustment Expense Net
LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseNet
|
3828500000 | |
CY2011Q4 | us-gaap |
Other Investments
OtherInvestments
|
190200000 | |
CY2011Q4 | us-gaap |
Marketable Securities Restricted
MarketableSecuritiesRestricted
|
372000000 | |
CY2011Q4 | us-gaap |
Deferred Tax Assets Valuation Allowance
DeferredTaxAssetsValuationAllowance
|
35900000 | |
CY2011Q4 | us-gaap |
Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Employee Benefits
DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeBenefits
|
45600000 | |
CY2011Q4 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Number
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber
|
1686930 | shares |
CY2011Q4 | us-gaap |
Stockholders Equity
StockholdersEquity
|
2484000000 | |
CY2011Q4 | us-gaap |
Assets Of Disposal Group Including Discontinued Operation
AssetsOfDisposalGroupIncludingDiscontinuedOperation
|
121200000 | |
CY2011Q4 | us-gaap |
Other Assets
OtherAssets
|
515500000 | |
CY2011Q4 | us-gaap |
Availableforsale Securities Continuous Unrealized Loss Position Less Than12 Months Aggregate Losses2
AvailableforsaleSecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAggregateLosses2
|
45800000 | |
CY2011Q4 | us-gaap |
Commitments And Contingencies
CommitmentsAndContingencies
|
||
CY2011Q4 | us-gaap |
Common Stock Shares Authorized
CommonStockSharesAuthorized
|
300000000 | shares |
CY2011Q4 | us-gaap |
Reinsurance Recoverables
ReinsuranceRecoverables
|
2262200000 | |
CY2011Q4 | us-gaap |
Defined Benefit Plan Year That Rate Reaches Ultimate Trend Rate
DefinedBenefitPlanYearThatRateReachesUltimateTrendRate
|
2017 | |
CY2011Q4 | us-gaap |
Liability For Unpaid Claims And Claims Adjustment Expense Gross
LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseGross
|
5760300000 | |
CY2011Q4 | us-gaap |
Treasury Stock Shares
TreasuryStockShares
|
15900000 | shares |
CY2011Q4 | us-gaap |
Deferred Tax Liabilities
DeferredTaxLiabilities
|
197500000 | |
CY2011Q4 | us-gaap |
Restricted Cash And Cash Equivalents
RestrictedCashAndCashEquivalents
|
94000000 | |
CY2011Q4 | us-gaap |
Supplemental Information For Property Casualty Insurance Underwriters Discount Deducted From Reserves
SupplementalInformationForPropertyCasualtyInsuranceUnderwritersDiscountDeductedFromReserves
|
||
CY2011Q4 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Weighted Average Exercise Price
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice
|
37.69 | |
CY2011Q4 | us-gaap |
Availableforsale Securities Continuous Unrealized Loss Position Aggregate Losses2
AvailableforsaleSecuritiesContinuousUnrealizedLossPositionAggregateLosses2
|
63800000 | |
CY2011Q4 | us-gaap |
Foreign Currency Exchange Rate Translation1
ForeignCurrencyExchangeRateTranslation1
|
1.55 | pure |
CY2011Q4 | us-gaap |
Supplementary Insurance Information Deferred Policy Acquisition Costs
SupplementaryInsuranceInformationDeferredPolicyAcquisitionCosts
|
458600000 | |
CY2011Q4 | us-gaap |
Premiums And Other Receivables Net
PremiumsAndOtherReceivablesNet
|
1168100000 | |
CY2011Q4 | us-gaap |
Accounts Payable And Accrued Liabilities Current And Noncurrent
AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent
|
642900000 | |
CY2011Q4 | us-gaap |
Deferred Policy Acquisition Costs
DeferredPolicyAcquisitionCosts
|
458600000 | |
CY2011Q4 | us-gaap |
Availableforsale Securities Continuous Unrealized Loss Position12 Months Or Longer Aggregate Losses2
AvailableforsaleSecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAggregateLosses2
|
18000000 | |
CY2011Q4 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber
|
2715430 | shares |
CY2011Q4 | us-gaap |
Common Stock Value
CommonStockValue
|
600000 | |
CY2011Q4 | us-gaap |
Common Stock Par Or Stated Value Per Share
CommonStockParOrStatedValuePerShare
|
0.01 | |
CY2011Q4 | us-gaap |
Reinsurance Payable
ReinsurancePayable
|
378900000 | |
CY2011Q4 | us-gaap |
Deferred Tax Assets Gross
DeferredTaxAssetsGross
|
507400000 | |
CY2011Q4 | us-gaap |
Available For Sale Securities Continuous Unrealized Loss Position Fair Value
AvailableForSaleSecuritiesContinuousUnrealizedLossPositionFairValue
|
1513200000 | |
CY2011Q4 | us-gaap |
Prepaid Reinsurance Premiums
PrepaidReinsurancePremiums
|
234900000 | |
CY2011Q4 | us-gaap |
Supplementary Insurance Information Unearned Premiums
SupplementaryInsuranceInformationUnearnedPremiums
|
2292100000 | |
CY2011Q4 | us-gaap |
Available For Sale Securities Equity Securities
AvailableForSaleSecuritiesEquitySecurities
|
246400000 | |
CY2011Q4 | us-gaap |
Liabilities
Liabilities
|
10114600000 | |
CY2011Q4 | us-gaap |
Unrecognized Tax Benefits
UnrecognizedTaxBenefits
|
800000 | |
CY2011Q4 | us-gaap |
Deferred Tax Assets Operating Loss Carryforwards
DeferredTaxAssetsOperatingLossCarryforwards
|
79800000 | |
CY2011Q4 | us-gaap |
Supplementary Insurance Information Other Policy Claims And Benefits Payable
SupplementaryInsuranceInformationOtherPolicyClaimsAndBenefitsPayable
|
3000000 | |
CY2011Q4 | us-gaap |
Deferred Tax Assets Other
DeferredTaxAssetsOther
|
63000000 | |
CY2011Q4 | us-gaap |
Deferred Tax Assets Equity Method Investments
DeferredTaxAssetsEquityMethodInvestments
|
9300000 | |
CY2011Q4 | us-gaap |
Preferred Stock Shares Authorized
PreferredStockSharesAuthorized
|
20000000 | shares |
CY2011Q4 | us-gaap |
Deferred Tax Assets Tax Credit Carryforwards
DeferredTaxAssetsTaxCreditCarryforwards
|
112200000 | |
CY2011Q4 | us-gaap |
Retained Earnings Accumulated Deficit
RetainedEarningsAccumulatedDeficit
|
1211300000 | |
CY2011Q4 | us-gaap |
Assets
Assets
|
12598600000 | |
CY2011Q4 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice
|
38.57 | |
CY2011Q4 | us-gaap |
Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Loss Reserves
DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsLossReserves
|
178900000 | |
CY2011Q4 | us-gaap |
Investments
Investments
|
6721300000 | |
CY2011Q4 | us-gaap |
Availableforsale Securities Gross Unrealized Gain
AvailableforsaleSecuritiesGrossUnrealizedGain
|
331000000 | |
CY2011Q4 | us-gaap |
Other Than Temporary Impairment Credit Losses Recognized In Earnings Credit Losses On Debt Securities Held
OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsCreditLossesOnDebtSecuritiesHeld
|
14500000 | |
CY2011Q4 | us-gaap |
Supplemental Information For Property Casualty Insurance Underwriters Deferred Policy Acquisition Costs
SupplementalInformationForPropertyCasualtyInsuranceUnderwritersDeferredPolicyAcquisitionCosts
|
458600000 | |
CY2011Q4 | us-gaap |
Preferred Stock Par Or Stated Value Per Share
PreferredStockParOrStatedValuePerShare
|
0.01 | |
CY2011Q4 | us-gaap |
Liabilities And Stockholders Equity
LiabilitiesAndStockholdersEquity
|
12598600000 | |
CY2011Q4 | us-gaap |
Available For Sale Securities Debt Securities
AvailableForSaleSecuritiesDebtSecurities
|
6284700000 | |
CY2011Q4 | us-gaap |
Unrecognized Tax Benefits Interest On Income Taxes Accrued
UnrecognizedTaxBenefitsInterestOnIncomeTaxesAccrued
|
300000 | |
CY2011Q4 | us-gaap |
Long Term Debt
LongTermDebt
|
911100000 | |
CY2011Q4 | us-gaap |
Investment Owned Unrecognized Unrealized Appreciation Depreciation Net
InvestmentOwnedUnrecognizedUnrealizedAppreciationDepreciationNet
|
1900000 | |
CY2011Q4 | us-gaap |
Valuation Allowances And Reserves Balance
ValuationAllowancesAndReservesBalance
|
18700000 | |
CY2011Q4 | us-gaap |
Supplemental Information For Property Casualty Insurance Underwriters Reserves For Unpaid Claims And Claims Adjustment Expense
SupplementalInformationForPropertyCasualtyInsuranceUnderwritersReservesForUnpaidClaimsAndClaimsAdjustmentExpense
|
5760300000 | |
CY2011Q4 | us-gaap |
Treasury Stock Value
TreasuryStockValue
|
723100000 | |
CY2011Q4 | us-gaap |
Available For Sale Equity Securities Amortized Cost Basis
AvailableForSaleEquitySecuritiesAmortizedCostBasis
|
239900000 | |
CY2011Q4 | us-gaap |
Supplementary Insurance Information Liability For Future Policy Benefits Losses Claims And Loss Expense Reserves
SupplementaryInsuranceInformationLiabilityForFuturePolicyBenefitsLossesClaimsAndLossExpenseReserves
|
5757300000 | |
CY2011Q4 | us-gaap |
Available For Sale Securities Continuous Unrealized Loss Position Twelve Months Or Longer Fair Value
AvailableForSaleSecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue
|
123600000 | |
CY2011Q4 | us-gaap |
Cash And Cash Equivalents At Carrying Value
CashAndCashEquivalentsAtCarryingValue
|
820400000 | |
CY2011Q4 | us-gaap |
Available For Sale Securities Gross Unrealized Losses1
AvailableForSaleSecuritiesGrossUnrealizedLosses1
|
55000000 | |
CY2011Q4 | us-gaap |
Common Stock Shares Issued
CommonStockSharesIssued
|
60500000 | shares |
CY2011Q4 | us-gaap |
Deferred Tax Liabilities Deferred Expense Capitalized Software
DeferredTaxLiabilitiesDeferredExpenseCapitalizedSoftware
|
29900000 | |
CY2011Q4 | us-gaap |
Reserve For Losses And Loss Adjustment Expenses
ReserveForLossesAndLossAdjustmentExpenses
|
1931800000 | |
CY2011Q4 | us-gaap |
Liability For Asbestos And Environmental Claims Net
LiabilityForAsbestosAndEnvironmentalClaimsNet
|
59800000 | |
CY2011Q4 | us-gaap |
Available For Sale Securities Debt Maturities Amortized Cost
AvailableForSaleSecuritiesDebtMaturitiesAmortizedCost
|
6008700000 | |
CY2011Q4 | us-gaap |
Accumulated Other Comprehensive Income Loss Net Of Tax
AccumulatedOtherComprehensiveIncomeLossNetOfTax
|
210400000 | |
CY2011Q4 | us-gaap |
Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Value
FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue
|
102500000 | |
CY2011Q4 | us-gaap |
Preferred Stock Shares Issued
PreferredStockSharesIssued
|
shares | |
CY2011Q4 | us-gaap |
Preferred Stock Value
PreferredStockValue
|
||
CY2011Q4 | us-gaap |
Unamortized Debt Issuance Expense
UnamortizedDebtIssuanceExpense
|
3000000 | |
CY2011Q4 | us-gaap |
Deferred Tax Liabilities Deferred Expense Deferred Policy Acquisition Cost
DeferredTaxLiabilitiesDeferredExpenseDeferredPolicyAcquisitionCost
|
109700000 | |
CY2011Q4 | us-gaap |
Additional Paid In Capital
AdditionalPaidInCapital
|
1784800000 | |
CY2011Q4 | us-gaap |
Deferred Tax Liabilities Other
DeferredTaxLiabilitiesOther
|
57900000 | |
CY2011Q4 | us-gaap |
Unearned Premiums
UnearnedPremiums
|
2292100000 | |
CY2011Q4 | us-gaap |
Liabilities Of Disposal Group Including Discontinued Operation
LiabilitiesOfDisposalGroupIncludingDiscontinuedOperation
|
129300000 | |
CY2011Q4 | thg |
Percentage Of Net Earned Premium
PercentageOfNetEarnedPremium
|
0.1230 | pure |
CY2011Q4 | thg |
Reinsurance Recoverables On Unpaid Losses Property Casualty Liability
ReinsuranceRecoverablesOnUnpaidLossesPropertyCasualtyLiability
|
1931800000 | |
CY2011Q4 | thg |
Available For Sale Securities Otti Unrealized Loss
AvailableForSaleSecuritiesOttiUnrealizedLoss
|
19900000 | |
CY2011Q4 | thg |
Deferred Tax Assets Untaxed Underwriting Losses
DeferredTaxAssetsUntaxedUnderwritingLosses
|
18600000 | |
CY2011Q4 | thg |
Deferred Tax Assets Net Of Valuation Allowance
DeferredTaxAssetsNetOfValuationAllowance
|
471500000 | |
CY2011Q4 | thg |
Business Acquisition Loss
BusinessAcquisitionLoss
|
11300000 | |
CY2011Q4 | thg |
Available For Sale Equity Securities Gross Unrealized Other Than Temporary Impairment Losses
AvailableForSaleEquitySecuritiesGrossUnrealizedOtherThanTemporaryImpairmentLosses
|
||
CY2011Q4 | thg |
Foreign Currency Exchange Rates Translation
ForeignCurrencyExchangeRatesTranslation
|
1.60 | pure |
CY2011Q4 | thg |
Unamortized Fair Value Adjustment
UnamortizedFairValueAdjustment
|
2900000 | |
CY2011Q4 | thg |
Effect Of Currency Exchange Rates On Fair Value Of Debt
EffectOfCurrencyExchangeRatesOnFairValueOfDebt
|
800000 | |
CY2011Q4 | thg |
Other Comprehensive Income Appreciation Depreciation On Derivative During Period Net Of Tax
OtherComprehensiveIncomeAppreciationDepreciationOnDerivativeDuringPeriodNetOfTax
|
1200000 | |
CY2013Q1 | dei |
Entity Common Stock Shares Outstanding
EntityCommonStockSharesOutstanding
|
44645707 | shares |
us-gaap |
Finite Lived Intangible Assets Amortization Method
FiniteLivedIntangibleAssetsAmortizationMethod
|
Straight line | ||
thg |
Estimated Useful Life Indefinite
EstimatedUsefulLifeIndefinite
|
Indefinite | ||
thg |
Business Acquisition Cost Of Acquired Entity Purchase Price Excluding Transaction Cost
BusinessAcquisitionCostOfAcquiredEntityPurchasePriceExcludingTransactionCost
|
481600000 | ||
us-gaap |
Foreign Currency Transaction Gain Before Tax
ForeignCurrencyTransactionGainBeforeTax
|
5100000 | ||
thg |
Defined Benefit Plan Additional Cost Contribution
DefinedBenefitPlanAdditionalCostContribution
|
2400000 | ||
us-gaap |
Stock Repurchased During Period Value
StockRepurchasedDuringPeriodValue
|
384800000 | ||
us-gaap |
Stock Repurchased During Period Shares
StockRepurchasedDuringPeriodShares
|
9100000 | shares | |
CY2010Q1 | us-gaap |
Defined Benefit Plan Contributions By Employer
DefinedBenefitPlanContributionsByEmployer
|
100000000 | |
CY2010Q3 | us-gaap |
Unrealized Gain Loss On Investments
UnrealizedGainLossOnInvestments
|
31100000 | |
CY2011Q2 | us-gaap |
Proceeds From Issuance Of Senior Long Term Debt
ProceedsFromIssuanceOfSeniorLongTermDebt
|
300000000 | |
CY2011Q3 | us-gaap |
Unrealized Gain Loss On Investments
UnrealizedGainLossOnInvestments
|
98400000 | |
CY2011Q3 | thg |
Reduction In Deferred Tax Assets Valuation Allowance Reflected As Increasein Accumulated Other Comprehensive Income
ReductionInDeferredTaxAssetsValuationAllowanceReflectedAsIncreaseinAccumulatedOtherComprehensiveIncome
|
28800000 | |
CY2012Q2 | us-gaap |
Unrealized Gain Loss On Investments
UnrealizedGainLossOnInvestments
|
69600000 | |
CY2012Q2 | thg |
Reduction In Accumulated Other Comprehensive Income Reflected As Increase In Income From Continuing Operations
ReductionInAccumulatedOtherComprehensiveIncomeReflectedAsIncreaseInIncomeFromContinuingOperations
|
300000 | |
CY2012Q2 | thg |
Reduction In Deferred Tax Assets Valuation Allowance Reflected As Increasein Accumulated Other Comprehensive Income
ReductionInDeferredTaxAssetsValuationAllowanceReflectedAsIncreaseinAccumulatedOtherComprehensiveIncome
|
24100000 | |
CY2012Q4 | thg |
Reduction In Accumulated Other Comprehensive Income Reflected As Increase In Income From Continuing Operations
ReductionInAccumulatedOtherComprehensiveIncomeReflectedAsIncreaseInIncomeFromContinuingOperations
|
12600000 | |
CY2010Q3 | us-gaap |
Unrealized Gain Loss On Investments
UnrealizedGainLossOnInvestments
|
37100000 | |
CY2012Q3 | thg |
Uk Statutory Income Tax Rate
UkStatutoryIncomeTaxRate
|
0.24 | pure |
CY2010Q1 | us-gaap |
Unrealized Gain Loss On Investments
UnrealizedGainLossOnInvestments
|
98400000 | |
CY2010Q4 | us-gaap |
Unrealized Gain Loss On Investments
UnrealizedGainLossOnInvestments
|
120800000 | |
CY2009 | thg |
Reduction In Deferred Tax Assets Valuation Allowance Reflected As Increase In Income From Continuing Operations
ReductionInDeferredTaxAssetsValuationAllowanceReflectedAsIncreaseInIncomeFromContinuingOperations
|
6000000 | |
CY2010 | us-gaap |
Operating Leases Rent Expense Net
OperatingLeasesRentExpenseNet
|
17200000 | |
CY2010 | us-gaap |
Income Loss From Discontinued Operations Net Of Tax Per Diluted Share
IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare
|
0.04 | |
CY2010 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Weighted Average Volatility Rate
ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsWeightedAverageVolatilityRate
|
0.3350 | pure |
CY2010 | us-gaap |
Other Comprehensive Income Loss Amortization Pension And Other Postretirement Benefit Plans Net Prior Service Cost Recognized In Net Periodic Benefit Cost Before Tax
OtherComprehensiveIncomeLossAmortizationPensionAndOtherPostretirementBenefitPlansNetPriorServiceCostRecognizedInNetPeriodicBenefitCostBeforeTax
|
5800000 | |
CY2010 | us-gaap |
Income Loss From Discontinued Operations Net Of Tax Per Basic Share
IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare
|
0.04 | |
CY2010 | us-gaap |
Gains Losses On Extinguishment Of Debt
GainsLossesOnExtinguishmentOfDebt
|
-2000000 | |
CY2010 | us-gaap |
Net Cash Provided By Used In Discontinued Operations
NetCashProvidedByUsedInDiscontinuedOperations
|
-2300000 | |
CY2010 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue
|
2600000 | |
CY2010 | us-gaap |
Operating Income Loss
OperatingIncomeLoss
|
222200000 | |
CY2010 | us-gaap |
Employee Service Share Based Compensation Tax Benefit From Compensation Expense
EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense
|
3900000 | |
CY2010 | us-gaap |
Supplemental Information For Property Casualty Insurance Underwriters Earned Premiums
SupplementalInformationForPropertyCasualtyInsuranceUnderwritersEarnedPremiums
|
2841000000 | |
CY2010 | us-gaap |
Supplemental Information For Property Casualty Insurance Underwriters Current Year Claims And Claims Adjustment Expense
SupplementalInformationForPropertyCasualtyInsuranceUnderwritersCurrentYearClaimsAndClaimsAdjustmentExpense
|
1967400000 | |
CY2010 | us-gaap |
Investment Income Investment Expense
InvestmentIncomeInvestmentExpense
|
6900000 | |
CY2010 | us-gaap |
Valuation Allowances And Reserves Charged To Cost And Expense
ValuationAllowancesAndReservesChargedToCostAndExpense
|
7800000 | |
CY2010 | us-gaap |
Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax
OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax
|
9100000 | |
CY2010 | us-gaap |
Increase Decrease In Reinsurance Recoverable
IncreaseDecreaseInReinsuranceRecoverable
|
38200000 | |
CY2010 | us-gaap |
Payments To Acquire Businesses Net Of Cash Acquired
PaymentsToAcquireBusinessesNetOfCashAcquired
|
13300000 | |
CY2010 | us-gaap |
Repayments Of Long Term Debt
RepaymentsOfLongTermDebt
|
38500000 | |
CY2010 | us-gaap |
Valuation Allowances And Reserves Deductions
ValuationAllowancesAndReservesDeductions
|
8300000 | |
CY2010 | us-gaap |
Marketable Securities Realized Gain Loss Other Than Temporary Impairments Amount
MarketableSecuritiesRealizedGainLossOtherThanTemporaryImpairmentsAmount
|
9400000 | |
CY2010 | us-gaap |
Income Loss From Continuing Operations
IncomeLossFromContinuingOperations
|
149600000 | |
CY2010 | us-gaap |
Reinsurance Effect On Claims And Benefits Incurred Amount Assumed
ReinsuranceEffectOnClaimsAndBenefitsIncurredAmountAssumed
|
96900000 | |
CY2010 | us-gaap |
Gain Loss On Investments
GainLossOnInvestments
|
29700000 | |
CY2010 | us-gaap |
Employee Service Share Based Compensation Cash Received From Exercise Of Stock Options
EmployeeServiceShareBasedCompensationCashReceivedFromExerciseOfStockOptions
|
12100000 | |
CY2010 | us-gaap |
Comprehensive Income Net Of Tax
ComprehensiveIncomeNetOfTax
|
259100000 | |
CY2010 | us-gaap |
Current Income Tax Expense Benefit
CurrentIncomeTaxExpenseBenefit
|
5700000 | |
CY2010 | us-gaap |
Share Based Compensation Arrangements By Share Based Payment Award Options Expirations In Period Weighted Average Exercise Price
ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExpirationsInPeriodWeightedAverageExercisePrice
|
44.91 | |
CY2010 | us-gaap |
Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate
IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate
|
72000000 | |
CY2010 | us-gaap |
Increase Decrease In Other Operating Capital Net
IncreaseDecreaseInOtherOperatingCapitalNet
|
33200000 | |
CY2010 | us-gaap |
Business Acquisition Pro Forma Earnings Per Share Basic
BusinessAcquisitionProFormaEarningsPerShareBasic
|
3.47 | |
CY2010 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate Minimum
ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMinimum
|
0.0087 | pure |
CY2010 | us-gaap |
Share Based Compensation
ShareBasedCompensation
|
11300000 | |
CY2010 | us-gaap |
Share Based Compensation Arrangements By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price
ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice
|
42.72 | |
CY2010 | us-gaap |
Business Acquisitions Pro Forma Revenue
BusinessAcquisitionsProFormaRevenue
|
4134600000 | |
CY2010 | us-gaap |
Earnings Per Share Diluted
EarningsPerShareDiluted
|
3.27 | |
CY2010 | us-gaap |
Other Comprehensive Income Reclassification Of Defined Benefit Plan Net Transition Asset Obligation Recognized In Net Periodic Benefit Cost Before Tax
OtherComprehensiveIncomeReclassificationOfDefinedBenefitPlanNetTransitionAssetObligationRecognizedInNetPeriodicBenefitCostBeforeTax
|
-1600000 | |
CY2010 | us-gaap |
Liability For Unpaid Claims And Claims Adjustment Expense Incurred Claims Prior Years
LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseIncurredClaimsPriorYears
|
111100000 | |
CY2010 | us-gaap |
Fees And Commissions
FeesAndCommissions
|
34300000 | |
CY2010 | us-gaap |
Ceded Premiums Earned Property And Casualty
CededPremiumsEarnedPropertyAndCasualty
|
304400000 | |
CY2010 | us-gaap |
Share Based Compensation Arrangements By Share Based Payment Award Options Forfeitures In Period Weighted Average Exercise Price
ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice
|
44.49 | |
CY2010 | us-gaap |
Increase Decrease In Accounts Payable And Accrued Liabilities
IncreaseDecreaseInAccountsPayableAndAccruedLiabilities
|
-85000000 | |
CY2010 | us-gaap |
Deferred Federal Income Tax Expense Benefit
DeferredFederalIncomeTaxExpenseBenefit
|
50300000 | |
CY2010 | us-gaap |
Stock Issued During Period Shares Stock Options Exercised
StockIssuedDuringPeriodSharesStockOptionsExercised
|
326823 | shares |
CY2010 | us-gaap |
Pro Forma Weighted Average Shares Outstanding Diluted
ProFormaWeightedAverageSharesOutstandingDiluted
|
46300000 | shares |
CY2010 | us-gaap |
Payments For Repurchase Of Common Stock
PaymentsForRepurchaseOfCommonStock
|
134700000 | |
CY2010 | us-gaap |
Liability For Unpaid Claims And Claims Adjustment Expense Incurred Claims
LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseIncurredClaims
|
1856300000 | |
CY2010 | us-gaap |
Increase Decrease In Premiums Receivable
IncreaseDecreaseInPremiumsReceivable
|
204900000 | |
CY2010 | us-gaap |
Increase Decrease In Accrued Investment Income Receivable
IncreaseDecreaseInAccruedInvestmentIncomeReceivable
|
1100000 | |
CY2010 | us-gaap |
Supplemental Information For Property Casualty Insurance Underwriters Premiums Written
SupplementalInformationForPropertyCasualtyInsuranceUnderwritersPremiumsWritten
|
3048000000 | |
CY2010 | us-gaap |
Deferred Policy Acquisition Cost Amortization Expense
DeferredPolicyAcquisitionCostAmortizationExpense
|
600800000 | |
CY2010 | us-gaap |
Supplemental Information For Property Casualty Insurance Underwriters Prior Year Claims And Claims Adjustment Expense
SupplementalInformationForPropertyCasualtyInsuranceUnderwritersPriorYearClaimsAndClaimsAdjustmentExpense
|
111100000 | |
CY2010 | us-gaap |
Segment Reporting Information Revenue
SegmentReportingInformationRevenue
|
3122500000 | |
CY2010 | us-gaap |
Increase Decrease In Securities Lending Payable
IncreaseDecreaseInSecuritiesLendingPayable
|
-7700000 | |
CY2010 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Options Expirations In Period
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExpirationsInPeriod
|
125400 | shares |
CY2010 | us-gaap |
Payments To Acquire Available For Sale Securities Debt
PaymentsToAcquireAvailableForSaleSecuritiesDebt
|
1401500000 | |
CY2010 | us-gaap |
Income Tax Reconciliation Tax Exempt Income
IncomeTaxReconciliationTaxExemptIncome
|
-2200000 | |
CY2010 | us-gaap |
Assumed Premiums Earned Property And Casualty
AssumedPremiumsEarnedPropertyAndCasualty
|
174800000 | |
CY2010 | us-gaap |
Premiums Earned Net Property And Casualty
PremiumsEarnedNetPropertyAndCasualty
|
2841000000 | |
CY2010 | us-gaap |
Current Federal Tax Expense Benefit
CurrentFederalTaxExpenseBenefit
|
5700000 | |
CY2010 | us-gaap |
Depreciation And Amortization
DepreciationAndAmortization
|
16700000 | |
CY2010 | us-gaap |
Effective Income Tax Rate Continuing Operations
EffectiveIncomeTaxRateContinuingOperations
|
0.272 | pure |
CY2010 | us-gaap |
Proceeds From Stock Options Exercised
ProceedsFromStockOptionsExercised
|
12000000 | |
CY2010 | us-gaap |
Liability For Unpaid Claims And Claims Adjustment Expense Claims Paid Prior Years
LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseClaimsPaidPriorYears
|
738600000 | |
CY2010 | us-gaap |
Net Cash Provided By Used In Operating Activities
NetCashProvidedByUsedInOperatingActivities
|
83600000 | |
CY2010 | us-gaap |
Net Cash Provided By Used In Investing Activities
NetCashProvidedByUsedInInvestingActivities
|
-98800000 | |
CY2010 | us-gaap |
Investment Income Interest And Dividend
InvestmentIncomeInterestAndDividend
|
254100000 | |
CY2010 | us-gaap |
Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price
ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice
|
36.88 | |
CY2010 | us-gaap |
Increase Decrease In Deferred Income Taxes
IncreaseDecreaseInDeferredIncomeTaxes
|
-50100000 | |
CY2010 | us-gaap |
Income Loss From Discontinued Operations Net Of Tax
IncomeLossFromDiscontinuedOperationsNetOfTax
|
1600000 | |
CY2010 | us-gaap |
Liability For Asbestos And Environmental Claims Net Incurred Loss
LiabilityForAsbestosAndEnvironmentalClaimsNetIncurredLoss
|
10100000 | |
CY2010 | us-gaap |
Discontinued Operation Gain Loss On Disposal Of Discontinued Operation Net Of Tax
DiscontinuedOperationGainLossOnDisposalOfDiscontinuedOperationNetOfTax
|
1800000 | |
CY2010 | us-gaap |
Payments To Acquire Property Plant And Equipment
PaymentsToAcquirePropertyPlantAndEquipment
|
10900000 | |
CY2010 | us-gaap |
Increase Decrease In Deferred Policy Acquisition Costs
IncreaseDecreaseInDeferredPolicyAcquisitionCosts
|
52200000 | |
CY2010 | us-gaap |
Cash And Cash Equivalents Period Increase Decrease
CashAndCashEquivalentsPeriodIncreaseDecrease
|
-23800000 | |
CY2010 | us-gaap |
Weighted Average Basic Shares Outstanding Pro Forma
WeightedAverageBasicSharesOutstandingProForma
|
45600000 | shares |
CY2010 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Volatility Rate Minimum
ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMinimum
|
0.3245 | pure |
CY2010 | us-gaap |
Proceeds From Issuance Of Long Term Debt
ProceedsFromIssuanceOfLongTermDebt
|
207500000 | |
CY2010 | us-gaap |
Benefits Losses And Expenses
BenefitsLossesAndExpenses
|
2946600000 | |
CY2010 | us-gaap |
Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax
OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax
|
2700000 | |
CY2010 | us-gaap |
Other Comprehensive Income Reclassification Of Defined Benefit Plans Net Gain Loss Recognized In Net Periodic Benefit Cost Before Tax
OtherComprehensiveIncomeReclassificationOfDefinedBenefitPlansNetGainLossRecognizedInNetPeriodicBenefitCostBeforeTax
|
17200000 | |
CY2010 | us-gaap |
Premiums Written Net Property And Casualty
PremiumsWrittenNetPropertyAndCasualty
|
3048000000 | |
CY2010 | us-gaap |
Other Than Temporary Impairment Credit Losses Recognized In Earnings Reductions Change In Status
OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsReductionsChangeInStatus
|
400000 | |
CY2010 | us-gaap |
Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Net Unamortized Gain Loss Arising During Period Before Tax
OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansNetUnamortizedGainLossArisingDuringPeriodBeforeTax
|
-13900000 | |
CY2010 | us-gaap |
Weighted Average Number Of Diluted Shares Outstanding
WeightedAverageNumberOfDilutedSharesOutstanding
|
46300000 | shares |
CY2010 | us-gaap |
Supplementary Insurance Information Net Investment Income
SupplementaryInsuranceInformationNetInvestmentIncome
|
247200000 | |
CY2010 | us-gaap |
Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments
IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments
|
205600000 | |
CY2010 | us-gaap |
Income Tax Reconciliation Tax Credits
IncomeTaxReconciliationTaxCredits
|
-400000 | |
CY2010 | us-gaap |
Other Comprehensive Income Loss Net Of Tax
OtherComprehensiveIncomeLossNetOfTax
|
107900000 | |
CY2010 | us-gaap |
Earnings Per Share Basic
EarningsPerShareBasic
|
3.32 | |
CY2010 | us-gaap |
Supplemental Information For Property Casualty Insurance Underwriters Net Investment Income
SupplementalInformationForPropertyCasualtyInsuranceUnderwritersNetInvestmentIncome
|
247200000 | |
CY2010 | us-gaap |
Net Cash Provided By Used In Financing Activities
NetCashProvidedByUsedInFinancingActivities
|
-8600000 | |
CY2010 | us-gaap |
Other Comprehensive Income Loss Reclassification Adjustment For Sale Of Securities Included In Net Income Tax
OtherComprehensiveIncomeLossReclassificationAdjustmentForSaleOfSecuritiesIncludedInNetIncomeTax
|
-3200000 | |
CY2010 | us-gaap |
Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Before Tax
OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax
|
130700000 | |
CY2010 | us-gaap |
Other Comprehensive Income Loss Reclassification Adjustment For Sale Of Securities Included In Net Income Net Of Tax
OtherComprehensiveIncomeLossReclassificationAdjustmentForSaleOfSecuritiesIncludedInNetIncomeNetOfTax
|
-29200000 | |
CY2010 | us-gaap |
Discontinued Operation Tax Effect Of Discontinued Operation
DiscontinuedOperationTaxEffectOfDiscontinuedOperation
|
200000 | |
CY2010 | us-gaap |
Income Loss From Continuing Operations Per Basic Share
IncomeLossFromContinuingOperationsPerBasicShare
|
3.28 | |
CY2010 | us-gaap |
Liability For Unpaid Claims And Claims Adjustment Expense Incurred Claims Current Year
LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseIncurredClaimsCurrentYear
|
1967400000 | |
CY2010 | us-gaap |
Gain Loss On Sale Of Investments
GainLossOnSaleOfInvestments
|
29300000 | |
CY2010 | us-gaap |
Interest Expense Debt
InterestExpenseDebt
|
44300000 | |
CY2010 | us-gaap |
Payments To Acquire Available For Sale Securities Equity
PaymentsToAcquireAvailableForSaleSecuritiesEquity
|
184900000 | |
CY2010 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures In Period
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod
|
247260 | shares |
CY2010 | us-gaap |
Reinsurance Effect On Claims And Benefits Incurred Policies Acquired In Period
ReinsuranceEffectOnClaimsAndBenefitsIncurredPoliciesAcquiredInPeriod
|
2001800000 | |
CY2010 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Volatility Rate Maximum
ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMaximum
|
0.3918 | pure |
CY2010 | us-gaap |
Other Comprehensive Income Loss Reclassification Adjustment For Sale Of Securities Included In Net Income Before Tax
OtherComprehensiveIncomeLossReclassificationAdjustmentForSaleOfSecuritiesIncludedInNetIncomeBeforeTax
|
-26000000 | |
CY2010 | us-gaap |
Supplementary Insurance Information Premiums Written
SupplementaryInsuranceInformationPremiumsWritten
|
3048000000 | |
CY2010 | us-gaap |
Policyholder Benefits And Claims Incurred Net
PolicyholderBenefitsAndClaimsIncurredNet
|
1856300000 | |
CY2010 | us-gaap |
Reinsurance Effect On Claims And Benefits Incurred Amount Ceded
ReinsuranceEffectOnClaimsAndBenefitsIncurredAmountCeded
|
242400000 | |
CY2010 | us-gaap |
Increase Decrease In Insurance Liabilities
IncreaseDecreaseInInsuranceLiabilities
|
288200000 | |
CY2010 | us-gaap |
Assumed Premiums Written Property And Casualty
AssumedPremiumsWrittenPropertyAndCasualty
|
270600000 | |
CY2010 | us-gaap |
Income Tax Reconciliation Change In Deferred Tax Assets Valuation Allowance
IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance
|
-57100000 | |
CY2010 | us-gaap |
Income Loss From Continuing Operations Before Income Taxes Domestic
IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic
|
205600000 | |
CY2010 | us-gaap |
Weighted Average Number Of Shares Outstanding Basic
WeightedAverageNumberOfSharesOutstandingBasic
|
45600000 | shares |
CY2010 | us-gaap |
Supplementary Insurance Information Amortization Of Deferred Policy Acquisition Costs
SupplementaryInsuranceInformationAmortizationOfDeferredPolicyAcquisitionCosts
|
600800000 | |
CY2010 | us-gaap |
Supplementary Insurance Information Other Operating Expense
SupplementaryInsuranceInformationOtherOperatingExpense
|
487500000 | |
CY2010 | us-gaap |
Premiums Earned Net
PremiumsEarnedNet
|
2841000000 | |
CY2010 | us-gaap |
Valuation Allowance Deferred Tax Asset Change In Amount
ValuationAllowanceDeferredTaxAssetChangeInAmount
|
104100000 | |
CY2010 | us-gaap |
Income Tax Reconciliation Nondeductible Expense
IncomeTaxReconciliationNondeductibleExpense
|
500000 | |
CY2010 | us-gaap |
Supplemental Information For Property Casualty Insurance Underwriters Amortization Of Deferred Policy Acquisition Costs
SupplementalInformationForPropertyCasualtyInsuranceUnderwritersAmortizationOfDeferredPolicyAcquisitionCosts
|
600800000 | |
CY2010 | us-gaap |
Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Tax
OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax
|
1400000 | |
CY2010 | us-gaap |
Supplementary Insurance Information Benefits Claims Losses And Settlement Expense
SupplementaryInsuranceInformationBenefitsClaimsLossesAndSettlementExpense
|
1856300000 | |
CY2010 | us-gaap |
Other Than Temporary Impairment Losses Investments Portion Recognized In Earnings Net
OtherThanTemporaryImpairmentLossesInvestmentsPortionRecognizedInEarningsNet
|
13900000 | |
CY2010 | us-gaap |
Revenues
Revenues
|
3152200000 | |
CY2010 | us-gaap |
Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Before Tax
OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax
|
4100000 | |
CY2010 | us-gaap |
Payments For Losses And Loss Adjustment Expense
PaymentsForLossesAndLossAdjustmentExpense
|
1817300000 | |
CY2010 | us-gaap |
Direct Premiums Written Property And Casualty
DirectPremiumsWrittenPropertyAndCasualty
|
3087900000 | |
CY2010 | us-gaap |
Income Taxes Paid Net
IncomeTaxesPaidNet
|
11300000 | |
CY2010 | us-gaap |
Proceeds From Sale Of Available For Sale Securities Debt
ProceedsFromSaleOfAvailableForSaleSecuritiesDebt
|
1376200000 | |
CY2010 | us-gaap |
Allocated Share Based Compensation Expense
AllocatedShareBasedCompensationExpense
|
11100000 | |
CY2010 | us-gaap |
Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest
IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
|
177900000 | |
CY2010 | us-gaap |
Other Comprehensive Income Loss Available For Sale Securities Tax
OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax
|
5900000 | |
CY2010 | us-gaap |
Payments For Proceeds From Derivative Instrument Investing Activities
PaymentsForProceedsFromDerivativeInstrumentInvestingActivities
|
-3000000 | |
CY2010 | us-gaap |
Supplemental Information For Property Casualty Insurance Underwriters Paid Claims And Claims Adjustment Expense
SupplementalInformationForPropertyCasualtyInsuranceUnderwritersPaidClaimsAndClaimsAdjustmentExpense
|
1817300000 | |
CY2010 | us-gaap |
Other Than Temporary Impairment Credit Losses Recognized In Earnings Additions No Previous Impairment
OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsAdditionsNoPreviousImpairment
|
1200000 | |
CY2010 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Award Vesting Period1
ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1
|
P4Y | |
CY2010 | us-gaap |
Supplementary Insurance Information Premium Revenue
SupplementaryInsuranceInformationPremiumRevenue
|
2841000000 | |
CY2010 | us-gaap |
Income Tax Expense Benefit
IncomeTaxExpenseBenefit
|
56000000 | |
CY2010 | us-gaap |
Defined Contribution Plan Cost Recognized
DefinedContributionPlanCostRecognized
|
16500000 | |
CY2010 | us-gaap |
Revenues From Transactions With Other Operating Segments Of Same Entity
RevenuesFromTransactionsWithOtherOperatingSegmentsOfSameEntity
|
-4600000 | |
CY2010 | us-gaap |
Other Than Temporary Impairment Credit Losses Recognized In Earnings Reductions Securities Sold
OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsReductionsSecuritiesSold
|
7200000 | |
CY2010 | us-gaap |
Business Acquisitions Pro Forma Net Income Loss
BusinessAcquisitionsProFormaNetIncomeLoss
|
158100000 | |
CY2010 | us-gaap |
Income Tax Reconciliation Deductions Dividends
IncomeTaxReconciliationDeductionsDividends
|
-800000 | |
CY2010 | us-gaap |
Other Cost And Expense Operating
OtherCostAndExpenseOperating
|
445200000 | |
CY2010 | us-gaap |
Deferred Income Tax Expense Benefit
DeferredIncomeTaxExpenseBenefit
|
50300000 | |
CY2010 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate Maximum
ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMaximum
|
0.0270 | pure |
CY2010 | us-gaap |
Proceeds From Sale Of Available For Sale Securities Equity
ProceedsFromSaleOfAvailableForSaleSecuritiesEquity
|
132600000 | |
CY2010 | us-gaap |
Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount
AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
|
1400000 | shares |
CY2010 | us-gaap |
Other Comprehensive Income Loss Available For Sale Securities Adjustment Before Tax
OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentBeforeTax
|
104700000 | |
CY2010 | us-gaap |
Net Income Loss
NetIncomeLoss
|
151200000 | |
CY2010 | us-gaap |
Income Tax Reconciliation Other Adjustments
IncomeTaxReconciliationOtherAdjustments
|
-200000 | |
CY2010 | us-gaap |
Interest Paid Net
InterestPaidNet
|
40300000 | |
CY2010 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod
|
412250 | shares |
CY2010 | us-gaap |
Net Investment Income
NetInvestmentIncome
|
247200000 | |
CY2010 | us-gaap |
Direct Premiums Earned Property And Casualty
DirectPremiumsEarnedPropertyAndCasualty
|
2970600000 | |
CY2010 | us-gaap |
Income Loss From Continuing Operations Per Diluted Share
IncomeLossFromContinuingOperationsPerDilutedShare
|
3.23 | |
CY2010 | us-gaap |
Other Amortization Of Deferred Charges
OtherAmortizationOfDeferredCharges
|
9800000 | |
CY2010 | us-gaap |
Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax
OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax
|
139800000 | |
CY2010 | us-gaap |
Payments Of Dividends
PaymentsOfDividends
|
47200000 | |
CY2010 | us-gaap |
Realized Investment Gains Losses
RealizedInvestmentGainsLosses
|
43600000 | |
CY2010 | us-gaap |
Business Acquisition Pro Forma Earnings Per Share Diluted
BusinessAcquisitionProFormaEarningsPerShareDiluted
|
3.41 | |
CY2010 | us-gaap |
Ceded Premiums Written Property And Casualty
CededPremiumsWrittenPropertyAndCasualty
|
310500000 | |
CY2010 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Grant Date Fair Value
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue
|
11.48 | |
CY2010 | us-gaap |
Other Than Temporary Impairment Credit Losses Recognized In Earnings Additions Additional Credit Losses
OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsAdditionsAdditionalCreditLosses
|
3100000 | |
CY2010 | us-gaap |
Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax
OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax
|
110600000 | |
CY2010 | thg |
Portion Of Impairment Loss Recognized In Other Comprehensive Income
PortionOfImpairmentLossRecognizedInOtherComprehensiveIncome
|
4500000 | |
CY2010 | thg |
Other Comprehensive Income Net Unrealized Gains And Losses On Securities Before Tax
OtherComprehensiveIncomeNetUnrealizedGainsAndLossesOnSecuritiesBeforeTax
|
104700000 | |
CY2010 | thg |
Other Comprehensive Income Net Unrealized Gains And Losses On Securities Tax
OtherComprehensiveIncomeNetUnrealizedGainsAndLossesOnSecuritiesTax
|
5900000 | |
CY2010 | thg |
Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Dividend Rate Minimum
ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRateMinimum
|
0.0168 | pure |
CY2010 | thg |
Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Dividend Rate Maximum
ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRateMaximum
|
0.0237 | pure |
CY2010 | thg |
Defined Benefit Plan Maximum Percentage Contributed By Employer
DefinedBenefitPlanMaximumPercentageContributedByEmployer
|
0.06 | pure |
CY2010 | thg |
Per Share Effect Of Dilutive Securities On Income From Continuing Operations
PerShareEffectOfDilutiveSecuritiesOnIncomeFromContinuingOperations
|
50000 | |
CY2010 | thg |
Per Share Effect Of Dilutive Securities On Net Income
PerShareEffectOfDilutiveSecuritiesOnNetIncome
|
50000 | |
CY2010 | thg |
Reduction In Deferred Tax Assets Valuation Allowance Reflected As Increasein Accumulated Other Comprehensive Income
ReductionInDeferredTaxAssetsValuationAllowanceReflectedAsIncreaseinAccumulatedOtherComprehensiveIncome
|
91400000 | |
CY2010 | thg |
Reduction In Deferred Tax Assets Valuation Allowance Reflected As Increase In Income From Continuing Operations
ReductionInDeferredTaxAssetsValuationAllowanceReflectedAsIncreaseInIncomeFromContinuingOperations
|
3200000 | |
CY2010 | thg |
Share Based Compensation Arrangement By Share Based Payment Award Options Tax Expense Realized From Options Exercised
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsTaxExpenseRealizedFromOptionsExercised
|
100000 | |
CY2010 | thg |
Other Temporary Impairment Losses Investments Portion In Other Comprehensive Income Loss Before Taxes
OtherTemporaryImpairmentLossesInvestmentsPortionInOtherComprehensiveIncomeLossBeforeTaxes
|
6900000 | |
CY2010 | thg |
Other Than Temporary Impairments Related To Common Stocks
OtherThanTemporaryImpairmentsRelatedToCommonStocks
|
1900000 | |
CY2010 | thg |
Other Than Temporary Impairments Related To Estimated Credit Losses On Fixed Maturity Securities
OtherThanTemporaryImpairmentsRelatedToEstimatedCreditLossesOnFixedMaturitySecurities
|
4300000 | |
CY2010 | thg |
Income Tax Reconciliation Capital Loss Carryforward
IncomeTaxReconciliationCapitalLossCarryforward
|
47400000 | |
CY2010 | thg |
Income Tax Reconciliation Tax Difference Related To Investment Disposals And Maturities
IncomeTaxReconciliationTaxDifferenceRelatedToInvestmentDisposalsAndMaturities
|
3200000 | |
CY2010 | thg |
Tax Benefit Receivable
TaxBenefitReceivable
|
3600000 | |
CY2010 | thg |
Other Comprehensive Income Appreciation On Securities During Period Net Of Tax
OtherComprehensiveIncomeAppreciationOnSecuritiesDuringPeriodNetOfTax
|
97800000 | |
CY2010 | thg |
Other Comprehensive Income Defined Benefit Plans Adjustment Amortization Recognized As Net Periodic Pension And Postretirement Cost Benefit Before Tax Period
OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentAmortizationRecognizedAsNetPeriodicPensionAndPostretirementCostBenefitBeforeTaxPeriod
|
-9800000 | |
CY2010 | thg |
Liability For Asbestos And Environmental Claims Reinsurance
LiabilityForAsbestosAndEnvironmentalClaimsReinsurance
|
19900000 | |
CY2010 | thg |
Investment Income Non Accruals
InvestmentIncomeNonAccruals
|
2300000 | |
CY2010 | thg |
Prior Years Deferred Tax Assets Tax Credit Carryforwards Expired
PriorYearsDeferredTaxAssetsTaxCreditCarryforwardsExpired
|
135500000 | |
CY2010 | thg |
Net Payment Of Losses And Losses Adjustment Expenses Current Year
NetPaymentOfLossesAndLossesAdjustmentExpensesCurrentYear
|
1078700000 | |
CY2010 | thg |
Other Than Temporary Impairments Related To Fixed Maturity Securities Intended To Sell
OtherThanTemporaryImpairmentsRelatedToFixedMaturitySecuritiesIntendedToSell
|
3300000 | |
CY2010 | thg |
Other Than Temporary Impairments Related To Low Income Housing Tax Credit Limited Partnerships
OtherThanTemporaryImpairmentsRelatedToLowIncomeHousingTaxCreditLimitedPartnerships
|
4400000 | |
CY2010 | thg |
Favorable Development Included In Unallocated Loss Adjustment Expense Reserves
FavorableDevelopmentIncludedInUnallocatedLossAdjustmentExpenseReserves
|
9800000 | |
CY2010 | thg |
Other Comprehensive Income Loss Net Unrealized Gains And Losses On Securities Tax
OtherComprehensiveIncomeLossNetUnrealizedGainsAndLossesOnSecuritiesTax
|
-5900000 | |
CY2010 | thg |
Other Comprehensive Income Loss Net Unrealized Gains And Losses On Securities Net Of Tax
OtherComprehensiveIncomeLossNetUnrealizedGainsAndLossesOnSecuritiesNetOfTax
|
110600000 | |
CY2011 | us-gaap |
Income Loss From Discontinued Operations Net Of Tax Per Diluted Share
IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare
|
0.11 | |
CY2011 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Weighted Average Volatility Rate
ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsWeightedAverageVolatilityRate
|
0.3242 | pure |
CY2011 | us-gaap |
Other Comprehensive Income Loss Amortization Pension And Other Postretirement Benefit Plans Net Prior Service Cost Recognized In Net Periodic Benefit Cost Before Tax
OtherComprehensiveIncomeLossAmortizationPensionAndOtherPostretirementBenefitPlansNetPriorServiceCostRecognizedInNetPeriodicBenefitCostBeforeTax
|
5200000 | |
CY2011 | us-gaap |
Income Loss From Discontinued Operations Net Of Tax Per Basic Share
IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare
|
0.11 | |
CY2011 | us-gaap |
Gains Losses On Extinguishment Of Debt
GainsLossesOnExtinguishmentOfDebt
|
-2300000 | |
CY2011 | us-gaap |
Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Gain Loss Included In Earnings1
FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings1
|
2100000 | |
CY2011 | us-gaap |
Net Cash Provided By Used In Discontinued Operations
NetCashProvidedByUsedInDiscontinuedOperations
|
2100000 | |
CY2011 | us-gaap |
Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Purchases
FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases
|
25100000 | |
CY2011 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue
|
1800000 | |
CY2011 | us-gaap |
Operating Income Loss
OperatingIncomeLoss
|
71800000 | |
CY2011 | us-gaap |
Employee Service Share Based Compensation Tax Benefit From Compensation Expense
EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense
|
4300000 | |
CY2011 | us-gaap |
Supplemental Information For Property Casualty Insurance Underwriters Earned Premiums
SupplementalInformationForPropertyCasualtyInsuranceUnderwritersEarnedPremiums
|
3598600000 | |
CY2011 | us-gaap |
Supplemental Information For Property Casualty Insurance Underwriters Current Year Claims And Claims Adjustment Expense
SupplementalInformationForPropertyCasualtyInsuranceUnderwritersCurrentYearClaimsAndClaimsAdjustmentExpense
|
2654100000 | |
CY2011 | us-gaap |
Derivative Instruments Gain Recognized In Income
DerivativeInstrumentsGainRecognizedInIncome
|
6100000 | |
CY2011 | us-gaap |
Investment Income Investment Expense
InvestmentIncomeInvestmentExpense
|
7700000 | |
CY2011 | us-gaap |
Valuation Allowances And Reserves Charged To Cost And Expense
ValuationAllowancesAndReservesChargedToCostAndExpense
|
12300000 | |
CY2011 | us-gaap |
Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax
OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax
|
23500000 | |
CY2011 | us-gaap |
Increase Decrease In Reinsurance Recoverable
IncreaseDecreaseInReinsuranceRecoverable
|
86900000 | |
CY2011 | us-gaap |
Payments To Acquire Businesses Net Of Cash Acquired
PaymentsToAcquireBusinessesNetOfCashAcquired
|
-287700000 | |
CY2011 | us-gaap |
Repayments Of Long Term Debt
RepaymentsOfLongTermDebt
|
86800000 | |
CY2011 | us-gaap |
Valuation Allowances And Reserves Deductions
ValuationAllowancesAndReservesDeductions
|
11400000 | |
CY2011 | us-gaap |
Marketable Securities Realized Gain Loss Other Than Temporary Impairments Amount
MarketableSecuritiesRealizedGainLossOtherThanTemporaryImpairmentsAmount
|
4900000 | |
CY2011 | us-gaap |
Income Loss From Continuing Operations
IncomeLossFromContinuingOperations
|
31500000 | |
CY2011 | us-gaap |
Reinsurance Effect On Claims And Benefits Incurred Amount Assumed
ReinsuranceEffectOnClaimsAndBenefitsIncurredAmountAssumed
|
249400000 | |
CY2011 | us-gaap |
Gain Loss On Investments
GainLossOnInvestments
|
28100000 | |
CY2011 | us-gaap |
Employee Service Share Based Compensation Cash Received From Exercise Of Stock Options
EmployeeServiceShareBasedCompensationCashReceivedFromExerciseOfStockOptions
|
3900000 | |
CY2011 | us-gaap |
Comprehensive Income Net Of Tax
ComprehensiveIncomeNetOfTax
|
110400000 | |
CY2011 | us-gaap |
Current Income Tax Expense Benefit
CurrentIncomeTaxExpenseBenefit
|
-600000 | |
CY2011 | us-gaap |
Proceeds From Payments For Other Financing Activities
ProceedsFromPaymentsForOtherFinancingActivities
|
-500000 | |
CY2011 | us-gaap |
Share Based Compensation Arrangements By Share Based Payment Award Options Expirations In Period Weighted Average Exercise Price
ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExpirationsInPeriodWeightedAverageExercisePrice
|
57.00 | |
CY2011 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Dividend Rate
ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate
|
0.02152 | pure |
CY2011 | us-gaap |
Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate
IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate
|
7500000 | |
CY2011 | us-gaap |
Increase Decrease In Other Operating Capital Net
IncreaseDecreaseInOtherOperatingCapitalNet
|
-16600000 | |
CY2011 | us-gaap |
Business Acquisition Pro Forma Earnings Per Share Basic
BusinessAcquisitionProFormaEarningsPerShareBasic
|
-0.42 | |
CY2011 | us-gaap |
Defined Benefit Plan Health Care Cost Trend Rate Assumed For Next Fiscal Year
DefinedBenefitPlanHealthCareCostTrendRateAssumedForNextFiscalYear
|
0.0750 | pure |
CY2011 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate Minimum
ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMinimum
|
0.0200 | pure |
CY2011 | us-gaap |
Share Based Compensation
ShareBasedCompensation
|
12000000 | |
CY2011 | us-gaap |
Share Based Compensation Arrangements By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price
ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice
|
46.47 | |
CY2011 | us-gaap |
Business Acquisitions Pro Forma Revenue
BusinessAcquisitionsProFormaRevenue
|
4360400000 | |
CY2011 | us-gaap |
Earnings Per Share Diluted
EarningsPerShareDiluted
|
0.80 | |
CY2011 | us-gaap |
Liability For Unpaid Claims And Claims Adjustment Expense Incurred Claims Prior Years
LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseIncurredClaimsPriorYears
|
103300000 | |
CY2011 | us-gaap |
Fees And Commissions
FeesAndCommissions
|
46700000 | |
CY2011 | us-gaap |
Ceded Premiums Earned Property And Casualty
CededPremiumsEarnedPropertyAndCasualty
|
539200000 | |
CY2011 | us-gaap |
Share Based Compensation Arrangements By Share Based Payment Award Options Forfeitures In Period Weighted Average Exercise Price
ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice
|
41.67 | |
CY2011 | us-gaap |
Increase Decrease In Accounts Payable And Accrued Liabilities
IncreaseDecreaseInAccountsPayableAndAccruedLiabilities
|
48200000 | |
CY2011 | us-gaap |
Deferred Federal Income Tax Expense Benefit
DeferredFederalIncomeTaxExpenseBenefit
|
-20300000 | |
CY2011 | us-gaap |
Stock Issued During Period Shares Stock Options Exercised
StockIssuedDuringPeriodSharesStockOptionsExercised
|
120064 | shares |
CY2011 | us-gaap |
Pro Forma Weighted Average Shares Outstanding Diluted
ProFormaWeightedAverageSharesOutstandingDiluted
|
45200000 | shares |
CY2011 | us-gaap |
Payments For Repurchase Of Common Stock
PaymentsForRepurchaseOfCommonStock
|
21700000 | |
CY2011 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Options Expirations In Period
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExpirationsInPeriod
|
256250 | shares |
CY2011 | us-gaap |
Payments To Acquire Available For Sale Securities Debt
PaymentsToAcquireAvailableForSaleSecuritiesDebt
|
1688000000 | |
CY2011 | us-gaap |
Income Loss From Continuing Operations Before Income Taxes Foreign
IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign
|
34900000 | |
CY2011 | us-gaap |
Income Tax Reconciliation Tax Exempt Income
IncomeTaxReconciliationTaxExemptIncome
|
-2000000 | |
CY2011 | us-gaap |
Assumed Premiums Earned Property And Casualty
AssumedPremiumsEarnedPropertyAndCasualty
|
442600000 | |
CY2011 | us-gaap |
Premiums Earned Net Property And Casualty
PremiumsEarnedNetPropertyAndCasualty
|
3598600000 | |
CY2011 | us-gaap |
Current Federal Tax Expense Benefit
CurrentFederalTaxExpenseBenefit
|
-600000 | |
CY2011 | us-gaap |
Depreciation And Amortization
DepreciationAndAmortization
|
26700000 | |
CY2011 | us-gaap |
Effective Income Tax Rate Continuing Operations
EffectiveIncomeTaxRateContinuingOperations
|
-0.458 | pure |
CY2011 | us-gaap |
Proceeds From Stock Options Exercised
ProceedsFromStockOptionsExercised
|
3900000 | |
CY2011 | us-gaap |
Liability For Unpaid Claims And Claims Adjustment Expense Claims Paid Prior Years
LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseClaimsPaidPriorYears
|
1010300000 | |
CY2011 | us-gaap |
Valuation Allowances And Reserves Charged To Other Accounts
ValuationAllowancesAndReservesChargedToOtherAccounts
|
11900000 | |
CY2011 | us-gaap |
Business Combination Acquisition Related Costs
BusinessCombinationAcquisitionRelatedCosts
|
16400000 | |
CY2011 | us-gaap |
Net Cash Provided By Used In Operating Activities
NetCashProvidedByUsedInOperatingActivities
|
221700000 | |
CY2011 | us-gaap |
Net Cash Provided By Used In Investing Activities
NetCashProvidedByUsedInInvestingActivities
|
182800000 | |
CY2011 | us-gaap |
Investment Income Interest And Dividend
InvestmentIncomeInterestAndDividend
|
265900000 | |
CY2011 | us-gaap |
Liability For Unpaid Claims And Claims Adjustment Expense Incurred Claims
LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseIncurredClaims
|
2550800000 | |
CY2011 | us-gaap |
Defined Benefit Plan Ultimate Health Care Cost Trend Rate
DefinedBenefitPlanUltimateHealthCareCostTrendRate
|
0.0500 | pure |
CY2011 | us-gaap |
Increase Decrease In Premiums Receivable
IncreaseDecreaseInPremiumsReceivable
|
-69400000 | |
CY2011 | us-gaap |
Loss On Derivative Instruments Pretax
LossOnDerivativeInstrumentsPretax
|
11300000 | |
CY2011 | us-gaap |
Other Comprehensive Income Loss Foreign Currency Translation Adjustment Tax
OtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentTax
|
-6200000 | |
CY2011 | us-gaap |
Increase Decrease In Accrued Investment Income Receivable
IncreaseDecreaseInAccruedInvestmentIncomeReceivable
|
-4300000 | |
CY2011 | us-gaap |
Supplemental Information For Property Casualty Insurance Underwriters Premiums Written
SupplementalInformationForPropertyCasualtyInsuranceUnderwritersPremiumsWritten
|
3593400000 | |
CY2011 | us-gaap |
Deferred Policy Acquisition Cost Amortization Expense
DeferredPolicyAcquisitionCostAmortizationExpense
|
778900000 | |
CY2011 | us-gaap |
Supplemental Information For Property Casualty Insurance Underwriters Prior Year Claims And Claims Adjustment Expense
SupplementalInformationForPropertyCasualtyInsuranceUnderwritersPriorYearClaimsAndClaimsAdjustmentExpense
|
103300000 | |
CY2011 | us-gaap |
Segment Reporting Information Revenue
SegmentReportingInformationRevenue
|
3903500000 | |
CY2011 | us-gaap |
Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Net Of Tax
OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax
|
-1200000 | |
CY2011 | us-gaap |
Increase Decrease In Securities Lending Payable
IncreaseDecreaseInSecuritiesLendingPayable
|
-42100000 | |
CY2011 | us-gaap |
Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price
ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice
|
32.82 | |
CY2011 | us-gaap |
Increase Decrease In Deferred Income Taxes
IncreaseDecreaseInDeferredIncomeTaxes
|
9200000 | |
CY2011 | us-gaap |
Income Loss From Discontinued Operations Net Of Tax
IncomeLossFromDiscontinuedOperationsNetOfTax
|
5200000 | |
CY2011 | us-gaap |
Liability For Asbestos And Environmental Claims Net Incurred Loss
LiabilityForAsbestosAndEnvironmentalClaimsNetIncurredLoss
|
10000000 | |
CY2011 | us-gaap |
Discontinued Operation Gain Loss On Disposal Of Discontinued Operation Net Of Tax
DiscontinuedOperationGainLossOnDisposalOfDiscontinuedOperationNetOfTax
|
5200000 | |
CY2011 | us-gaap |
Payments To Acquire Property Plant And Equipment
PaymentsToAcquirePropertyPlantAndEquipment
|
16500000 | |
CY2011 | us-gaap |
Increase Decrease In Deferred Policy Acquisition Costs
IncreaseDecreaseInDeferredPolicyAcquisitionCosts
|
-18300000 | |
CY2011 | us-gaap |
Cash And Cash Equivalents Period Increase Decrease
CashAndCashEquivalentsPeriodIncreaseDecrease
|
527900000 | |
CY2011 | us-gaap |
Weighted Average Basic Shares Outstanding Pro Forma
WeightedAverageBasicSharesOutstandingProForma
|
45200000 | shares |
CY2011 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Volatility Rate Minimum
ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMinimum
|
0.3157 | pure |
CY2011 | us-gaap |
Proceeds From Issuance Of Long Term Debt
ProceedsFromIssuanceOfLongTermDebt
|
325400000 | |
CY2011 | us-gaap |
Benefits Losses And Expenses
BenefitsLossesAndExpenses
|
3910000000 | |
CY2011 | us-gaap |
Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax
OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax
|
5200000 | |
CY2011 | us-gaap |
Other Comprehensive Income Reclassification Of Defined Benefit Plans Net Gain Loss Recognized In Net Periodic Benefit Cost Before Tax
OtherComprehensiveIncomeReclassificationOfDefinedBenefitPlansNetGainLossRecognizedInNetPeriodicBenefitCostBeforeTax
|
15400000 | |
CY2011 | us-gaap |
Derivative Loss On Derivative
DerivativeLossOnDerivative
|
11300000 | |
CY2011 | us-gaap |
Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Before Tax
OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodBeforeTax
|
-1800000 | |
CY2011 | us-gaap |
Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Gain Loss Included In Other Comprehensive Income Loss
FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInOtherComprehensiveIncomeLoss
|
1000000 | |
CY2011 | us-gaap |
Premiums Written Net Property And Casualty
PremiumsWrittenNetPropertyAndCasualty
|
3593400000 | |
CY2011 | us-gaap |
Cash Flow Hedge Gain Loss To Be Reclassified Within Twelve Months
CashFlowHedgeGainLossToBeReclassifiedWithinTwelveMonths
|
200000 | |
CY2011 | us-gaap |
Other Than Temporary Impairment Credit Losses Recognized In Earnings Reductions Change In Status
OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsReductionsChangeInStatus
|
1300000 | |
CY2011 | us-gaap |
Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Net Unamortized Gain Loss Arising During Period Before Tax
OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansNetUnamortizedGainLossArisingDuringPeriodBeforeTax
|
-16000000 | |
CY2011 | us-gaap |
Weighted Average Number Of Diluted Shares Outstanding
WeightedAverageNumberOfDilutedSharesOutstanding
|
45800000 | shares |
CY2011 | us-gaap |
Supplementary Insurance Information Net Investment Income
SupplementaryInsuranceInformationNetInvestmentIncome
|
258200000 | |
CY2011 | us-gaap |
Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax
OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax
|
-11500000 | |
CY2011 | us-gaap |
Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments
IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments
|
21600000 | |
CY2011 | us-gaap |
Income Tax Reconciliation Tax Credits
IncomeTaxReconciliationTaxCredits
|
-200000 | |
CY2011 | us-gaap |
Other Comprehensive Income Loss Net Of Tax
OtherComprehensiveIncomeLossNetOfTax
|
73700000 | |
CY2011 | us-gaap |
Earnings Per Share Basic
EarningsPerShareBasic
|
0.81 | |
CY2011 | us-gaap |
Supplemental Information For Property Casualty Insurance Underwriters Net Investment Income
SupplementalInformationForPropertyCasualtyInsuranceUnderwritersNetInvestmentIncome
|
258200000 | |
CY2011 | us-gaap |
Net Cash Provided By Used In Financing Activities
NetCashProvidedByUsedInFinancingActivities
|
127300000 | |
CY2011 | us-gaap |
Other Comprehensive Income Loss Reclassification Adjustment For Sale Of Securities Included In Net Income Tax
OtherComprehensiveIncomeLossReclassificationAdjustmentForSaleOfSecuritiesIncludedInNetIncomeTax
|
-9300000 | |
CY2011 | us-gaap |
Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Before Tax
OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax
|
97800000 | |
CY2011 | us-gaap |
Other Comprehensive Income Loss Reclassification Adjustment For Sale Of Securities Included In Net Income Net Of Tax
OtherComprehensiveIncomeLossReclassificationAdjustmentForSaleOfSecuritiesIncludedInNetIncomeNetOfTax
|
-29700000 | |
CY2011 | us-gaap |
Discontinued Operation Tax Effect Of Discontinued Operation
DiscontinuedOperationTaxEffectOfDiscontinuedOperation
|
2500000 | |
CY2011 | us-gaap |
Income Loss From Continuing Operations Per Basic Share
IncomeLossFromContinuingOperationsPerBasicShare
|
0.70 | |
CY2011 | us-gaap |
Liability For Unpaid Claims And Claims Adjustment Expense Incurred Claims Current Year
LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseIncurredClaimsCurrentYear
|
2654100000 | |
CY2011 | us-gaap |
Gain Loss On Sale Of Investments
GainLossOnSaleOfInvestments
|
16200000 | |
CY2011 | us-gaap |
Interest Expense Debt
InterestExpenseDebt
|
55000000 | |
CY2011 | us-gaap |
Payments To Acquire Available For Sale Securities Equity
PaymentsToAcquireAvailableForSaleSecuritiesEquity
|
128600000 | |
CY2011 | us-gaap |
Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Before Tax
OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax
|
-17700000 | |
CY2011 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures In Period
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod
|
49165 | shares |
CY2011 | us-gaap |
Reinsurance Effect On Claims And Benefits Incurred Policies Acquired In Period
ReinsuranceEffectOnClaimsAndBenefitsIncurredPoliciesAcquiredInPeriod
|
2723500000 | |
CY2011 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Volatility Rate Maximum
ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMaximum
|
0.3330 | pure |
CY2011 | us-gaap |
Other Comprehensive Income Loss Reclassification Adjustment For Sale Of Securities Included In Net Income Before Tax
OtherComprehensiveIncomeLossReclassificationAdjustmentForSaleOfSecuritiesIncludedInNetIncomeBeforeTax
|
-20400000 | |
CY2011 | us-gaap |
Supplementary Insurance Information Premiums Written
SupplementaryInsuranceInformationPremiumsWritten
|
3593400000 | |
CY2011 | us-gaap |
Income Tax Expense Benefit Continuing Operations Discontinued Operations Extraordinary Items
IncomeTaxExpenseBenefitContinuingOperationsDiscontinuedOperationsExtraordinaryItems
|
2100000 | |
CY2011 | us-gaap |
Policyholder Benefits And Claims Incurred Net
PolicyholderBenefitsAndClaimsIncurredNet
|
2550800000 | |
CY2011 | us-gaap |
Reinsurance Effect On Claims And Benefits Incurred Amount Ceded
ReinsuranceEffectOnClaimsAndBenefitsIncurredAmountCeded
|
422100000 | |
CY2011 | us-gaap |
Increase Decrease In Insurance Liabilities
IncreaseDecreaseInInsuranceLiabilities
|
94500000 | |
CY2011 | us-gaap |
Assumed Premiums Written Property And Casualty
AssumedPremiumsWrittenPropertyAndCasualty
|
228300000 | |
CY2011 | us-gaap |
Income Tax Reconciliation Change In Deferred Tax Assets Valuation Allowance
IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance
|
-7500000 | |
CY2011 | us-gaap |
Income Loss From Continuing Operations Before Income Taxes Domestic
IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic
|
-13300000 | |
CY2011 | us-gaap |
Weighted Average Number Of Shares Outstanding Basic
WeightedAverageNumberOfSharesOutstandingBasic
|
45200000 | shares |
CY2011 | us-gaap |
Supplementary Insurance Information Amortization Of Deferred Policy Acquisition Costs
SupplementaryInsuranceInformationAmortizationOfDeferredPolicyAcquisitionCosts
|
778900000 | |
CY2011 | us-gaap |
Supplementary Insurance Information Other Operating Expense
SupplementaryInsuranceInformationOtherOperatingExpense
|
557000000 | |
CY2011 | us-gaap |
Operating Leases Rent Expense Net
OperatingLeasesRentExpenseNet
|
21100000 | |
CY2011 | us-gaap |
Premiums Earned Net
PremiumsEarnedNet
|
3598600000 | |
CY2011 | us-gaap |
Valuation Allowance Deferred Tax Asset Change In Amount
ValuationAllowanceDeferredTaxAssetChangeInAmount
|
55600000 | |
CY2011 | us-gaap |
Income Tax Reconciliation Nondeductible Expense
IncomeTaxReconciliationNondeductibleExpense
|
4700000 | |
CY2011 | us-gaap |
Supplemental Information For Property Casualty Insurance Underwriters Amortization Of Deferred Policy Acquisition Costs
SupplementalInformationForPropertyCasualtyInsuranceUnderwritersAmortizationOfDeferredPolicyAcquisitionCosts
|
778900000 | |
CY2011 | us-gaap |
Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Tax
OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax
|
600000 | |
CY2011 | us-gaap |
Supplementary Insurance Information Benefits Claims Losses And Settlement Expense
SupplementaryInsuranceInformationBenefitsClaimsLossesAndSettlementExpense
|
2550800000 | |
CY2011 | us-gaap |
Other Than Temporary Impairment Losses Investments Portion Recognized In Earnings Net
OtherThanTemporaryImpairmentLossesInvestmentsPortionRecognizedInEarningsNet
|
6900000 | |
CY2011 | us-gaap |
Revenues
Revenues
|
3931600000 | |
CY2011 | us-gaap |
Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Before Tax
OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax
|
5800000 | |
CY2011 | us-gaap |
Payments For Losses And Loss Adjustment Expense
PaymentsForLossesAndLossAdjustmentExpense
|
2492700000 | |
CY2011 | us-gaap |
Direct Premiums Written Property And Casualty
DirectPremiumsWrittenPropertyAndCasualty
|
3830900000 | |
CY2011 | us-gaap |
Income Taxes Paid Net
IncomeTaxesPaidNet
|
3000000 | |
CY2011 | us-gaap |
Proceeds From Sale Of Available For Sale Securities Debt
ProceedsFromSaleOfAvailableForSaleSecuritiesDebt
|
1624200000 | |
CY2011 | us-gaap |
Allocated Share Based Compensation Expense
AllocatedShareBasedCompensationExpense
|
12200000 | |
CY2011 | us-gaap |
Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest
IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
|
16800000 | |
CY2011 | us-gaap |
Other Comprehensive Income Loss Available For Sale Securities Tax
OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax
|
14200000 | |
CY2011 | us-gaap |
Payments For Proceeds From Derivative Instrument Investing Activities
PaymentsForProceedsFromDerivativeInstrumentInvestingActivities
|
-2800000 | |
CY2011 | us-gaap |
Supplemental Information For Property Casualty Insurance Underwriters Paid Claims And Claims Adjustment Expense
SupplementalInformationForPropertyCasualtyInsuranceUnderwritersPaidClaimsAndClaimsAdjustmentExpense
|
2492700000 | |
CY2011 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Award Vesting Period1
ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1
|
P4Y | |
CY2011 | us-gaap |
Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Tax
OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodTax
|
600000 | |
CY2011 | us-gaap |
Defined Contribution Plan Cost Recognized
DefinedContributionPlanCostRecognized
|
17800000 | |
CY2011 | us-gaap |
Revenues From Transactions With Other Operating Segments Of Same Entity
RevenuesFromTransactionsWithOtherOperatingSegmentsOfSameEntity
|
-5200000 | |
CY2011 | us-gaap |
Other Than Temporary Impairment Credit Losses Recognized In Earnings Reductions Securities Sold
OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsReductionsSecuritiesSold
|
1800000 | |
CY2011 | us-gaap |
Business Acquisitions Pro Forma Net Income Loss
BusinessAcquisitionsProFormaNetIncomeLoss
|
-18900000 | |
CY2011 | us-gaap |
Income Tax Reconciliation Deductions Dividends
IncomeTaxReconciliationDeductionsDividends
|
-1100000 | |
CY2011 | us-gaap |
Other Cost And Expense Operating
OtherCostAndExpenseOperating
|
525300000 | |
CY2011 | us-gaap |
Deferred Income Tax Expense Benefit
DeferredIncomeTaxExpenseBenefit
|
-9300000 | |
CY2011 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate Maximum
ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMaximum
|
0.0235 | pure |
CY2011 | us-gaap |
Proceeds From Sale Of Available For Sale Securities Equity
ProceedsFromSaleOfAvailableForSaleSecuritiesEquity
|
101200000 | |
CY2011 | us-gaap |
Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount
AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
|
1600000 | shares |
CY2011 | us-gaap |
Other Comprehensive Income Loss Available For Sale Securities Adjustment Before Tax
OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentBeforeTax
|
77400000 | |
CY2011 | us-gaap |
Deferred Foreign Income Tax Expense Benefit
DeferredForeignIncomeTaxExpenseBenefit
|
11000000 | |
CY2011 | us-gaap |
Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Transfers Out Of Level3
FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersOutOfLevel3
|
25100000 | |
CY2011 | us-gaap |
Net Income Loss
NetIncomeLoss
|
36700000 | |
CY2011 | us-gaap |
Income Tax Reconciliation Other Adjustments
IncomeTaxReconciliationOtherAdjustments
|
-100000 | |
CY2011 | us-gaap |
Foreign Currency Transaction Gain Loss Before Tax
ForeignCurrencyTransactionGainLossBeforeTax
|
6400000 | |
CY2011 | us-gaap |
Interest Paid Net
InterestPaidNet
|
55500000 | |
CY2011 | us-gaap |
Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Transfers Into Level3
FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersIntoLevel3
|
14500000 | |
CY2011 | us-gaap |
Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Sales
FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSales
|
18500000 | |
CY2011 | us-gaap |
Foreign Currency Transaction Gain Loss Realized
ForeignCurrencyTransactionGainLossRealized
|
6700000 | |
CY2011 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod
|
297000 | shares |
CY2011 | us-gaap |
Net Investment Income
NetInvestmentIncome
|
258200000 | |
CY2011 | us-gaap |
Direct Premiums Earned Property And Casualty
DirectPremiumsEarnedPropertyAndCasualty
|
3695200000 | |
CY2011 | us-gaap |
Supplementary Insurance Information Premium Revenue
SupplementaryInsuranceInformationPremiumRevenue
|
3598600000 | |
CY2011 | us-gaap |
Income Tax Expense Benefit
IncomeTaxExpenseBenefit
|
-9900000 | |
CY2011 | us-gaap |
Effect Of Exchange Rate On Cash And Cash Equivalents
EffectOfExchangeRateOnCashAndCashEquivalents
|
-3900000 | |
CY2011 | us-gaap |
Income Loss From Continuing Operations Per Diluted Share
IncomeLossFromContinuingOperationsPerDilutedShare
|
0.69 | |
CY2011 | us-gaap |
Other Amortization Of Deferred Charges
OtherAmortizationOfDeferredCharges
|
10200000 | |
CY2011 | us-gaap |
Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax
OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax
|
121300000 | |
CY2011 | us-gaap |
Payments Of Dividends
PaymentsOfDividends
|
50900000 | |
CY2011 | us-gaap |
Realized Investment Gains Losses
RealizedInvestmentGainsLosses
|
35000000 | |
CY2011 | us-gaap |
Business Acquisition Pro Forma Earnings Per Share Diluted
BusinessAcquisitionProFormaEarningsPerShareDiluted
|
-0.42 | |
CY2011 | us-gaap |
Ceded Premiums Written Property And Casualty
CededPremiumsWrittenPropertyAndCasualty
|
465800000 | |
CY2011 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Grant Date Fair Value
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue
|
12.23 | |
CY2011 | us-gaap |
Other Than Temporary Impairment Credit Losses Recognized In Earnings Additions Additional Credit Losses
OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsAdditionsAdditionalCreditLosses
|
900000 | |
CY2011 | us-gaap |
Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax
OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax
|
91600000 | |
CY2011 | thg |
Portion Of Impairment Loss Recognized In Other Comprehensive Income
PortionOfImpairmentLossRecognizedInOtherComprehensiveIncome
|
2000000 | |
CY2011 | thg |
Other Comprehensive Income Net Unrealized Gains And Losses On Securities Before Tax
OtherComprehensiveIncomeNetUnrealizedGainsAndLossesOnSecuritiesBeforeTax
|
75600000 | |
CY2011 | thg |
Other Comprehensive Income Net Unrealized Gains And Losses On Securities Tax
OtherComprehensiveIncomeNetUnrealizedGainsAndLossesOnSecuritiesTax
|
14800000 | |
CY2011 | thg |
Gross Written Premium Percentage
GrossWrittenPremiumPercentage
|
1.00 | pure |
CY2011 | thg |
Defined Benefit Plan Maximum Percentage Contributed By Employer
DefinedBenefitPlanMaximumPercentageContributedByEmployer
|
0.06 | pure |
CY2011 | thg |
Per Share Effect Of Dilutive Securities On Income From Continuing Operations
PerShareEffectOfDilutiveSecuritiesOnIncomeFromContinuingOperations
|
10000 | |
CY2011 | thg |
Per Share Effect Of Dilutive Securities On Net Income
PerShareEffectOfDilutiveSecuritiesOnNetIncome
|
10000 | |
CY2011 | thg |
Common Stock Held By Pension Plan Shares
CommonStockHeldByPensionPlanShares
|
466755 | shares |
CY2011 | thg |
Reduction In Accumulated Other Comprehensive Income Reflected As Increase In Income From Continuing Operations
ReductionInAccumulatedOtherComprehensiveIncomeReflectedAsIncreaseInIncomeFromContinuingOperations
|
9500000 | |
CY2011 | thg |
Reduction In Deferred Tax Assets Valuation Allowance Reflected As Increasein Accumulated Other Comprehensive Income
ReductionInDeferredTaxAssetsValuationAllowanceReflectedAsIncreaseinAccumulatedOtherComprehensiveIncome
|
91400000 | |
CY2011 | thg |
Share Based Compensation Arrangement By Share Based Payment Award Options Tax Expense Realized From Options Exercised
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsTaxExpenseRealizedFromOptionsExercised
|
1500000 | |
CY2011 | thg |
Other Temporary Impairment Losses Investments Portion In Other Comprehensive Income Loss Before Taxes
OtherTemporaryImpairmentLossesInvestmentsPortionInOtherComprehensiveIncomeLossBeforeTaxes
|
10500000 | |
CY2011 | thg |
Other Than Temporary Impairments Related To Common Stocks
OtherThanTemporaryImpairmentsRelatedToCommonStocks
|
1400000 | |
CY2011 | thg |
Other Than Temporary Impairments Related To Estimated Credit Losses On Fixed Maturity Securities
OtherThanTemporaryImpairmentsRelatedToEstimatedCreditLossesOnFixedMaturitySecurities
|
900000 | |
CY2011 | thg |
Income Tax Reconciliation Effect Of Foreign Operations
IncomeTaxReconciliationEffectOfForeignOperations
|
1500000 | |
CY2011 | thg |
Income Tax Reconciliation Tax Difference Related To Investment Disposals And Maturities
IncomeTaxReconciliationTaxDifferenceRelatedToInvestmentDisposalsAndMaturities
|
9700000 | |
CY2011 | thg |
Other Comprehensive Income Appreciation On Securities During Period Net Of Tax
OtherComprehensiveIncomeAppreciationOnSecuritiesDuringPeriodNetOfTax
|
65100000 | |
CY2011 | thg |
Other Comprehensive Income Defined Benefit Plans Adjustment Amortization Recognized As Net Periodic Pension And Postretirement Cost Benefit Before Tax Period
OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentAmortizationRecognizedAsNetPeriodicPensionAndPostretirementCostBenefitBeforeTaxPeriod
|
-10200000 | |
CY2011 | thg |
Foreign Income Permanently Reinvested
ForeignIncomePermanentlyReinvested
|
4200000 | |
CY2011 | thg |
Liability For Asbestos And Environmental Claims Reinsurance
LiabilityForAsbestosAndEnvironmentalClaimsReinsurance
|
18700000 | |
CY2011 | thg |
Liability For Unpaid Claims And Claims Adjustment Expense Effect Of Foreign Exchange Rates
LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseEffectOfForeignExchangeRates
|
-22800000 | |
CY2011 | thg |
Investment Income Non Accruals
InvestmentIncomeNonAccruals
|
2300000 | |
CY2011 | thg |
Prior Years Deferred Tax Assets Tax Credit Carryforwards Expired
PriorYearsDeferredTaxAssetsTaxCreditCarryforwardsExpired
|
7600000 | |
CY2011 | thg |
Net Unrealized Gains Impaired Securities
NetUnrealizedGainsImpairedSecurities
|
25100000 | |
CY2011 | thg |
Net Payment Of Losses And Losses Adjustment Expenses Current Year
NetPaymentOfLossesAndLossesAdjustmentExpensesCurrentYear
|
1482400000 | |
CY2011 | thg |
Other Than Temporary Impairments Related To Fixed Maturity Securities Intended To Sell
OtherThanTemporaryImpairmentsRelatedToFixedMaturitySecuritiesIntendedToSell
|
4600000 | |
CY2011 | thg |
Other Comprehensive Income Loss Net Unrealized Gains And Losses On Securities Tax
OtherComprehensiveIncomeLossNetUnrealizedGainsAndLossesOnSecuritiesTax
|
-14800000 | |
CY2011 | thg |
Other Comprehensive Income Loss Net Unrealized Gains And Losses On Securities Net Of Tax
OtherComprehensiveIncomeLossNetUnrealizedGainsAndLossesOnSecuritiesNetOfTax
|
90400000 | |
CY2012 | dei |
Trading Symbol
TradingSymbol
|
THG | |
CY2012 | dei |
Entity Registrant Name
EntityRegistrantName
|
HANOVER INSURANCE GROUP, INC. | |
CY2012 | dei |
Entity Current Reporting Status
EntityCurrentReportingStatus
|
Yes | |
CY2012 | dei |
Amendment Flag
AmendmentFlag
|
false | |
CY2012 | dei |
Entity Filer Category
EntityFilerCategory
|
Large Accelerated Filer | |
CY2012 | dei |
Document Fiscal Period Focus
DocumentFiscalPeriodFocus
|
FY | |
CY2012 | dei |
Entity Voluntary Filers
EntityVoluntaryFilers
|
No | |
CY2012 | dei |
Document Fiscal Year Focus
DocumentFiscalYearFocus
|
2012 | |
CY2012 | dei |
Document Type
DocumentType
|
10-K | |
CY2012 | dei |
Document Period End Date
DocumentPeriodEndDate
|
2012-12-31 | |
CY2012 | dei |
Entity Central Index Key
EntityCentralIndexKey
|
0000944695 | |
CY2012 | dei |
Entity Well Known Seasoned Issuer
EntityWellKnownSeasonedIssuer
|
Yes | |
CY2012 | dei |
Current Fiscal Year End Date
CurrentFiscalYearEndDate
|
--12-31 | |
CY2012 | us-gaap |
Income Loss From Discontinued Operations Net Of Tax Per Diluted Share
IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare
|
0.21 | |
CY2012 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Weighted Average Volatility Rate
ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsWeightedAverageVolatilityRate
|
0.3405 | pure |
CY2012 | us-gaap |
Operating Income Loss
OperatingIncomeLoss
|
75100000 | |
CY2012 | us-gaap |
Employee Service Share Based Compensation Tax Benefit From Compensation Expense
EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense
|
4500000 | |
CY2012 | us-gaap |
Supplemental Information For Property Casualty Insurance Underwriters Earned Premiums
SupplementalInformationForPropertyCasualtyInsuranceUnderwritersEarnedPremiums
|
4239100000 | |
CY2012 | us-gaap |
Supplemental Information For Property Casualty Insurance Underwriters Current Year Claims And Claims Adjustment Expense
SupplementalInformationForPropertyCasualtyInsuranceUnderwritersCurrentYearClaimsAndClaimsAdjustmentExpense
|
2990200000 | |
CY2012 | us-gaap |
Investment Income Investment Expense
InvestmentIncomeInvestmentExpense
|
9900000 | |
CY2012 | us-gaap |
Valuation Allowances And Reserves Charged To Cost And Expense
ValuationAllowancesAndReservesChargedToCostAndExpense
|
8500000 | |
CY2012 | us-gaap |
Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax
OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax
|
-40200000 | |
CY2012 | us-gaap |
Other Comprehensive Income Loss Amortization Pension And Other Postretirement Benefit Plans Net Prior Service Cost Recognized In Net Periodic Benefit Cost Before Tax
OtherComprehensiveIncomeLossAmortizationPensionAndOtherPostretirementBenefitPlansNetPriorServiceCostRecognizedInNetPeriodicBenefitCostBeforeTax
|
3700000 | |
CY2012 | us-gaap |
Income Loss From Discontinued Operations Net Of Tax Per Basic Share
IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare
|
0.22 | |
CY2012 | us-gaap |
Prior Period Reclassification Adjustment Description
PriorPeriodReclassificationAdjustmentDescription
|
<div> <p style="MARGIN-TOP: 12px; MARGIN-BOTTOM: 0px"><font style="FONT-FAMILY: ARIAL" size="2"><b>R. Reclassifications</b></font></p> <p style="MARGIN-TOP: 4px; MARGIN-BOTTOM: 0px"><font style="FONT-FAMILY: Times New Roman" size="2">Certain prior year amounts have been reclassified to conform to the current year presentation.</font></p> </div> | |
CY2012 | us-gaap |
Gains Losses On Extinguishment Of Debt
GainsLossesOnExtinguishmentOfDebt
|
-5100000 | |
CY2012 | us-gaap |
Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Gain Loss Included In Earnings1
FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings1
|
-200000 | |
CY2012 | us-gaap |
Net Cash Provided By Used In Discontinued Operations
NetCashProvidedByUsedInDiscontinuedOperations
|
300000 | |
CY2012 | us-gaap |
Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Purchases
FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases
|
11300000 | |
CY2012 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue
|
1200000 | |
CY2012 | us-gaap |
Increase Decrease In Reinsurance Recoverable
IncreaseDecreaseInReinsuranceRecoverable
|
217300000 | |
CY2012 | us-gaap |
Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Weighted Average Remaining Contractual Term1
SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1
|
P2Y8M12D | |
CY2012 | us-gaap |
Repayments Of Long Term Debt
RepaymentsOfLongTermDebt
|
73100000 | |
CY2012 | us-gaap |
Gains Losses On Sales Of Investment Real Estate
GainsLossesOnSalesOfInvestmentRealEstate
|
3300000 | |
CY2012 | us-gaap |
Valuation Allowances And Reserves Deductions
ValuationAllowancesAndReservesDeductions
|
8400000 | |
CY2012 | us-gaap |
Marketable Securities Realized Gain Loss Other Than Temporary Impairments Amount
MarketableSecuritiesRealizedGainLossOtherThanTemporaryImpairmentsAmount
|
7300000 | |
CY2012 | us-gaap |
Income Loss From Continuing Operations
IncomeLossFromContinuingOperations
|
46100000 | |
CY2012 | us-gaap |
Reinsurance Effect On Claims And Benefits Incurred Amount Assumed
ReinsuranceEffectOnClaimsAndBenefitsIncurredAmountAssumed
|
311400000 | |
CY2012 | us-gaap |
Gain Loss On Investments
GainLossOnInvestments
|
23600000 | |
CY2012 | us-gaap |
Employee Service Share Based Compensation Cash Received From Exercise Of Stock Options
EmployeeServiceShareBasedCompensationCashReceivedFromExerciseOfStockOptions
|
2300000 | |
CY2012 | us-gaap |
Comprehensive Income Net Of Tax
ComprehensiveIncomeNetOfTax
|
171300000 | |
CY2012 | us-gaap |
Current Income Tax Expense Benefit
CurrentIncomeTaxExpenseBenefit
|
18400000 | |
CY2012 | us-gaap |
Proceeds From Payments For Other Financing Activities
ProceedsFromPaymentsForOtherFinancingActivities
|
-400000 | |
CY2012 | us-gaap |
Share Based Compensation Arrangements By Share Based Payment Award Options Expirations In Period Weighted Average Exercise Price
ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExpirationsInPeriodWeightedAverageExercisePrice
|
44.05 | |
CY2012 | us-gaap |
Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate
IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate
|
10000000 | |
CY2012 | us-gaap |
Increase Decrease In Other Operating Capital Net
IncreaseDecreaseInOtherOperatingCapitalNet
|
48400000 | |
CY2012 | us-gaap |
Defined Benefit Plan Health Care Cost Trend Rate Assumed For Next Fiscal Year
DefinedBenefitPlanHealthCareCostTrendRateAssumedForNextFiscalYear
|
0.0700 | pure |
CY2012 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate Minimum
ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMinimum
|
0.0061 | pure |
CY2012 | us-gaap |
Share Based Compensation
ShareBasedCompensation
|
12800000 | |
CY2012 | us-gaap |
Share Based Compensation Arrangements By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price
ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice
|
36.84 | |
CY2012 | us-gaap |
Earnings Per Share Diluted
EarningsPerShareDiluted
|
1.23 | |
CY2012 | us-gaap |
Liability For Unpaid Claims And Claims Adjustment Expense Incurred Claims Prior Years
LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseIncurredClaimsPriorYears
|
15800000 | |
CY2012 | us-gaap |
Fees And Commissions
FeesAndCommissions
|
51400000 | |
CY2012 | us-gaap |
Ceded Premiums Earned Property And Casualty
CededPremiumsEarnedPropertyAndCasualty
|
800800000 | |
CY2012 | us-gaap |
Share Based Compensation Arrangements By Share Based Payment Award Options Forfeitures In Period Weighted Average Exercise Price
ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice
|
41.45 | |
CY2012 | us-gaap |
Increase Decrease In Accounts Payable And Accrued Liabilities
IncreaseDecreaseInAccountsPayableAndAccruedLiabilities
|
87600000 | |
CY2012 | us-gaap |
Current Federal Tax Expense Benefit
CurrentFederalTaxExpenseBenefit
|
2300000 | |
CY2012 | us-gaap |
Deferred Federal Income Tax Expense Benefit
DeferredFederalIncomeTaxExpenseBenefit
|
-42700000 | |
CY2012 | us-gaap |
Stock Issued During Period Shares Stock Options Exercised
StockIssuedDuringPeriodSharesStockOptionsExercised
|
90624 | shares |
CY2012 | us-gaap |
Schedule Of Liability For Unpaid Claims And Claims Adjustment Expense
ScheduleOfLiabilityForUnpaidClaimsAndClaimsAdjustmentExpense
|
<div> <p style="margin-top:12px;margin-bottom:0px; text-indent:2%"> <font style="font-family:Times New Roman" size="2">The following table provides a reconciliation of the gross beginning and ending reserve for unpaid losses and loss adjustment expenses (results for Chaucer for the year ended December 31, 2011 reflect the period from July 1, 2011 to December 31, 2011).</font></p> <p style="font-size:12px;margin-top:0px;margin-bottom:0px">  </p> <table cellspacing="0" cellpadding="0" width="100%" border="0" style="BORDER-COLLAPSE:COLLAPSE" align="center"> <tr> <td width="75%"></td> <td valign="bottom" width="3%"></td> <td></td> <td></td> <td></td> <td valign="bottom" width="3%"></td> <td></td> <td></td> <td></td> <td valign="bottom" width="3%"></td> <td></td> <td></td> <td></td> </tr> <tr> <td valign="bottom" style="BORDER-BOTTOM:1px solid #000000"> <font style="font-family:Times New Roman" size="1">FOR THE YEARS ENDED DECEMBER 31</font></td> <td valign="bottom" style="BORDER-BOTTOM:1px solid #000000"> <font size="1">  </font></td> <td valign="bottom" colspan="2" align="right" style="BORDER-BOTTOM:1px solid #000000"><font style="font-family:Times New Roman" size="1">2012</font></td> <td valign="bottom" style="BORDER-BOTTOM:1px solid #000000"> <font size="1"> </font></td> <td valign="bottom" style="BORDER-BOTTOM:1px solid #000000"> <font size="1"> </font></td> <td valign="bottom" colspan="2" align="right" style="BORDER-BOTTOM:1px solid #000000"><font style="font-family:Times New Roman" size="1">2011</font></td> <td valign="bottom" style="BORDER-BOTTOM:1px solid #000000"> <font size="1"> </font></td> <td valign="bottom" style="BORDER-BOTTOM:1px solid #000000"> <font size="1"> </font></td> <td valign="bottom" colspan="2" align="right" style="BORDER-BOTTOM:1px solid #000000"><font style="font-family:Times New Roman" size="1">2010</font></td> <td valign="bottom" style="BORDER-BOTTOM:1px solid #000000"> <font size="1"> </font></td> </tr> <tr> <td valign="bottom"><font style="font-family:Times New Roman" size="1"><i>(in millions)</i></font></td> <td valign="bottom"><font size="1">  </font></td> <td colspan="2" valign="bottom"><font size="1"> </font></td> <td valign="bottom"><font size="1"> </font></td> <td valign="bottom"><font size="1"> </font></td> <td colspan="2" valign="bottom"><font size="1"> </font></td> <td valign="bottom"><font size="1"> </font></td> <td valign="bottom"><font size="1"> </font></td> <td colspan="2" valign="bottom"><font size="1"> </font></td> <td valign="bottom"><font size="1"> </font></td> </tr> <tr bgcolor="#CCEEFF"> <td valign="top"> <p style="margin-left:1.00em; text-indent:-1.00em"><font style="font-family:Times New Roman" size="2">Gross loss and LAE reserves, beginning of year</font></p> </td> <td valign="bottom"><font size="1">  </font></td> <td valign="bottom"><font style="font-family:Times New Roman" size="2"><b>$</b></font></td> <td valign="bottom" align="right"><font style="font-family:Times New Roman" size="2"><b>5,760.3</b></font></td> <td nowrap="nowrap" valign="bottom"><font style="font-family:Times New Roman" size="2"><b> </b></font></td> <td valign="bottom"><font size="1"> </font></td> <td valign="bottom"><font style="font-family:Times New Roman" size="2">$</font></td> <td valign="bottom" align="right"><font style="font-family:Times New Roman" size="2">3,277.7</font></td> <td nowrap="nowrap" valign="bottom"><font style="font-family:Times New Roman" size="2"> </font></td> <td valign="bottom"><font size="1"> </font></td> <td valign="bottom"><font style="font-family:Times New Roman" size="2">$</font></td> <td valign="bottom" align="right"><font style="font-family:Times New Roman" size="2">3,153.9</font></td> <td nowrap="nowrap" valign="bottom"><font style="font-family:Times New Roman" size="2"> </font></td> </tr> <tr> <td valign="middle" style="BORDER-BOTTOM:1px solid #000000"> <p style="margin-left:2.32em; text-indent:-1.00em"><font style="font-family:Times New Roman" size="2">Reinsurance recoverable on unpaid losses</font></p> </td> <td valign="bottom" style="BORDER-BOTTOM:1px solid #000000"> <font size="1">  </font></td> <td valign="middle" style="BORDER-BOTTOM:1px solid #000000"> <font style="font-family:Times New Roman" size="2"><b> </b></font></td> <td valign="middle" style="BORDER-BOTTOM:1px solid #000000" align="right"><font style="font-family:Times New Roman" size="2"><b>1,931.8</b></font></td> <td nowrap="nowrap" valign="middle" style="BORDER-BOTTOM:1px solid #000000"><font style="font-family:Times New Roman" size="2"><b> </b></font></td> <td valign="bottom" style="BORDER-BOTTOM:1px solid #000000"> <font size="1"> </font></td> <td valign="middle" style="BORDER-BOTTOM:1px solid #000000"> <font style="font-family:Times New Roman" size="2"> </font></td> <td valign="middle" style="BORDER-BOTTOM:1px solid #000000" align="right"><font style="font-family:Times New Roman" size="2">1,115.5</font></td> <td nowrap="nowrap" valign="middle" style="BORDER-BOTTOM:1px solid #000000"><font style="font-family:Times New Roman" size="2"> </font></td> <td valign="bottom" style="BORDER-BOTTOM:1px solid #000000"> <font size="1"> </font></td> <td valign="middle" style="BORDER-BOTTOM:1px solid #000000"> <font style="font-family:Times New Roman" size="2"> </font></td> <td valign="middle" style="BORDER-BOTTOM:1px solid #000000" align="right"><font style="font-family:Times New Roman" size="2">1,060.2</font></td> <td nowrap="nowrap" valign="middle" style="BORDER-BOTTOM:1px solid #000000"><font style="font-family:Times New Roman" size="2"> </font></td> </tr> <tr bgcolor="#CCEEFF"> <td valign="top"> <p style="margin-left:1.00em; text-indent:-1.00em"><font style="font-family:Times New Roman" size="2">Net loss and LAE reserves, beginning of year</font></p> </td> <td valign="bottom"><font size="1">  </font></td> <td valign="bottom"><font style="font-family:Times New Roman" size="2"><b> </b></font></td> <td valign="bottom" align="right"><font style="font-family:Times New Roman" size="2"><b>3,828.5</b></font></td> <td nowrap="nowrap" valign="bottom"><font style="font-family:Times New Roman" size="2"><b> </b></font></td> <td valign="bottom"><font size="1"> </font></td> <td valign="bottom"><font style="font-family:Times New Roman" size="2"> </font></td> <td valign="bottom" align="right"><font style="font-family:Times New Roman" size="2">2,162.2</font></td> <td nowrap="nowrap" valign="bottom"><font style="font-family:Times New Roman" size="2"> </font></td> <td valign="bottom"><font size="1"> </font></td> <td valign="bottom"><font style="font-family:Times New Roman" size="2"> </font></td> <td valign="bottom" align="right"><font style="font-family:Times New Roman" size="2">2,093.7</font></td> <td nowrap="nowrap" valign="bottom"><font style="font-family:Times New Roman" size="2"> </font></td> </tr> <tr> <td valign="top"> <p style="margin-left:1.00em; text-indent:-1.00em"><font style="font-family:Times New Roman" size="2">Net incurred losses and LAE in respect of losses occurring in:</font></p> </td> <td valign="bottom"><font size="1">  </font></td> <td valign="bottom"></td> <td valign="bottom"></td> <td valign="bottom"></td> <td valign="bottom"><font size="1"> </font></td> <td valign="bottom"></td> <td valign="bottom"></td> <td valign="bottom"></td> <td valign="bottom"><font size="1"> </font></td> <td valign="bottom"></td> <td valign="bottom"></td> <td valign="bottom"></td> </tr> <tr bgcolor="#CCEEFF"> <td valign="top"> <p style="margin-left:3.16em; text-indent:-1.00em"><font style="font-family:Times New Roman" size="2">Current year</font></p> </td> <td valign="bottom"><font size="1">  </font></td> <td valign="bottom"><font style="font-family:Times New Roman" size="2"><b> </b></font></td> <td valign="bottom" align="right"><font style="font-family:Times New Roman" size="2"><b>2,990.2</b></font></td> <td nowrap="nowrap" valign="bottom"><font style="font-family:Times New Roman" size="2"><b> </b></font></td> <td valign="bottom"><font size="1"> </font></td> <td valign="bottom"><font style="font-family:Times New Roman" size="2"> </font></td> <td valign="bottom" align="right"><font style="font-family:Times New Roman" size="2">2,654.1</font></td> <td nowrap="nowrap" valign="bottom"><font style="font-family:Times New Roman" size="2"> </font></td> <td valign="bottom"><font size="1"> </font></td> <td valign="bottom"><font style="font-family:Times New Roman" size="2"> </font></td> <td valign="bottom" align="right"><font style="font-family:Times New Roman" size="2">1,967.4</font></td> <td nowrap="nowrap" valign="bottom"><font style="font-family:Times New Roman" size="2"> </font></td> </tr> <tr> <td valign="middle" style="BORDER-BOTTOM:1px solid #000000"> <p style="margin-left:3.16em; text-indent:-1.00em"><font style="font-family:Times New Roman" size="2">Prior years</font></p> </td> <td valign="bottom" style="BORDER-BOTTOM:1px solid #000000"> <font size="1">  </font></td> <td valign="middle" style="BORDER-BOTTOM:1px solid #000000"> <font style="font-family:Times New Roman" size="2"><b> </b></font></td> <td valign="middle" style="BORDER-BOTTOM:1px solid #000000" align="right"><font style="font-family:Times New Roman" size="2"><b>(15.8</b></font></td> <td nowrap="nowrap" valign="middle" style="BORDER-BOTTOM:1px solid #000000"><font style="font-family:Times New Roman" size="2"><b>) </b></font></td> <td valign="bottom" style="BORDER-BOTTOM:1px solid #000000"> <font size="1"> </font></td> <td valign="middle" style="BORDER-BOTTOM:1px solid #000000"> <font style="font-family:Times New Roman" size="2"> </font></td> <td valign="middle" style="BORDER-BOTTOM:1px solid #000000" align="right"><font style="font-family:Times New Roman" size="2">(103.3</font></td> <td nowrap="nowrap" valign="middle" style="BORDER-BOTTOM:1px solid #000000"><font style="font-family:Times New Roman" size="2">) </font></td> <td valign="bottom" style="BORDER-BOTTOM:1px solid #000000"> <font size="1"> </font></td> <td valign="middle" style="BORDER-BOTTOM:1px solid #000000"> <font style="font-family:Times New Roman" size="2"> </font></td> <td valign="middle" style="BORDER-BOTTOM:1px solid #000000" align="right"><font style="font-family:Times New Roman" size="2">(111.1</font></td> <td nowrap="nowrap" valign="middle" style="BORDER-BOTTOM:1px solid #000000"><font style="font-family:Times New Roman" size="2">) </font></td> </tr> <tr bgcolor="#CCEEFF"> <td valign="middle" style="BORDER-BOTTOM:1px solid #000000"> <p style="margin-left:2.32em; text-indent:-1.00em"><font style="font-family:Times New Roman" size="2">Total incurred losses and LAE</font></p> </td> <td valign="bottom" style="BORDER-BOTTOM:1px solid #000000"> <font size="1">  </font></td> <td valign="middle" style="BORDER-BOTTOM:1px solid #000000"> <font style="font-family:Times New Roman" size="2"><b> </b></font></td> <td valign="middle" style="BORDER-BOTTOM:1px solid #000000" align="right"><font style="font-family:Times New Roman" size="2"><b>2,974.4</b></font></td> <td nowrap="nowrap" valign="middle" style="BORDER-BOTTOM:1px solid #000000"><font style="font-family:Times New Roman" size="2"><b> </b></font></td> <td valign="bottom" style="BORDER-BOTTOM:1px solid #000000"> <font size="1"> </font></td> <td valign="middle" style="BORDER-BOTTOM:1px solid #000000"> <font style="font-family:Times New Roman" size="2"> </font></td> <td valign="middle" style="BORDER-BOTTOM:1px solid #000000" align="right"><font style="font-family:Times New Roman" size="2">2,550.8</font></td> <td nowrap="nowrap" valign="middle" style="BORDER-BOTTOM:1px solid #000000"><font style="font-family:Times New Roman" size="2"> </font></td> <td valign="bottom" style="BORDER-BOTTOM:1px solid #000000"> <font size="1"> </font></td> <td valign="middle" style="BORDER-BOTTOM:1px solid #000000"> <font style="font-family:Times New Roman" size="2"> </font></td> <td valign="middle" style="BORDER-BOTTOM:1px solid #000000" align="right"><font style="font-family:Times New Roman" size="2">1,856.3</font></td> <td nowrap="nowrap" valign="middle" style="BORDER-BOTTOM:1px solid #000000"><font style="font-family:Times New Roman" size="2"> </font></td> </tr> <tr> <td valign="top"> <p style="margin-left:1.00em; text-indent:-1.00em"><font style="font-family:Times New Roman" size="2">Net payments of losses and LAE in respect of losses occurring in:</font></p> </td> <td valign="bottom"><font size="1">  </font></td> <td valign="bottom"></td> <td valign="bottom"></td> <td valign="bottom"></td> <td valign="bottom"><font size="1"> </font></td> <td valign="bottom"></td> <td valign="bottom"></td> <td valign="bottom"></td> <td valign="bottom"><font size="1"> </font></td> <td valign="bottom"></td> <td valign="bottom"></td> <td valign="bottom"></td> </tr> <tr bgcolor="#CCEEFF"> <td valign="top"> <p style="margin-left:3.16em; text-indent:-1.00em"><font style="font-family:Times New Roman" size="2">Current year</font></p> </td> <td valign="bottom"><font size="1">  </font></td> <td valign="bottom"><font style="font-family:Times New Roman" size="2"><b> </b></font></td> <td valign="bottom" align="right"><font style="font-family:Times New Roman" size="2"><b>1,317.6</b></font></td> <td nowrap="nowrap" valign="bottom"><font style="font-family:Times New Roman" size="2"><b> </b></font></td> <td valign="bottom"><font size="1"> </font></td> <td valign="bottom"><font style="font-family:Times New Roman" size="2"> </font></td> <td valign="bottom" align="right"><font style="font-family:Times New Roman" size="2">1,482.4</font></td> <td nowrap="nowrap" valign="bottom"><font style="font-family:Times New Roman" size="2"> </font></td> <td valign="bottom"><font size="1"> </font></td> <td valign="bottom"><font style="font-family:Times New Roman" size="2"> </font></td> <td valign="bottom" align="right"><font style="font-family:Times New Roman" size="2">1,078.7</font></td> <td nowrap="nowrap" valign="bottom"><font style="font-family:Times New Roman" size="2"> </font></td> </tr> <tr> <td valign="middle" style="BORDER-BOTTOM:1px solid #000000"> <p style="margin-left:3.16em; text-indent:-1.00em"><font style="font-family:Times New Roman" size="2">Prior years</font></p> </td> <td valign="bottom" style="BORDER-BOTTOM:1px solid #000000"> <font size="1">  </font></td> <td valign="middle" style="BORDER-BOTTOM:1px solid #000000"> <font style="font-family:Times New Roman" size="2"><b> </b></font></td> <td valign="middle" style="BORDER-BOTTOM:1px solid #000000" align="right"><font style="font-family:Times New Roman" size="2"><b>1,396.5</b></font></td> <td nowrap="nowrap" valign="middle" style="BORDER-BOTTOM:1px solid #000000"><font style="font-family:Times New Roman" size="2"><b> </b></font></td> <td valign="bottom" style="BORDER-BOTTOM:1px solid #000000"> <font size="1"> </font></td> <td valign="middle" style="BORDER-BOTTOM:1px solid #000000"> <font style="font-family:Times New Roman" size="2"> </font></td> <td valign="middle" style="BORDER-BOTTOM:1px solid #000000" align="right"><font style="font-family:Times New Roman" size="2">1,010.3</font></td> <td nowrap="nowrap" valign="middle" style="BORDER-BOTTOM:1px solid #000000"><font style="font-family:Times New Roman" size="2"> </font></td> <td valign="bottom" style="BORDER-BOTTOM:1px solid #000000"> <font size="1"> </font></td> <td valign="middle" style="BORDER-BOTTOM:1px solid #000000"> <font style="font-family:Times New Roman" size="2"> </font></td> <td valign="middle" style="BORDER-BOTTOM:1px solid #000000" align="right"><font style="font-family:Times New Roman" size="2">738.6</font></td> <td nowrap="nowrap" valign="middle" style="BORDER-BOTTOM:1px solid #000000"><font style="font-family:Times New Roman" size="2"> </font></td> </tr> <tr bgcolor="#CCEEFF"> <td valign="middle" style="BORDER-BOTTOM:1px solid #000000"> <p style="margin-left:2.32em; text-indent:-1.00em"><font style="font-family:Times New Roman" size="2">Total payments</font></p> </td> <td valign="bottom" style="BORDER-BOTTOM:1px solid #000000"> <font size="1">  </font></td> <td valign="middle" style="BORDER-BOTTOM:1px solid #000000"> <font style="font-family:Times New Roman" size="2"><b> </b></font></td> <td valign="middle" style="BORDER-BOTTOM:1px solid #000000" align="right"><font style="font-family:Times New Roman" size="2"><b>2,714.1</b></font></td> <td nowrap="nowrap" valign="middle" style="BORDER-BOTTOM:1px solid #000000"><font style="font-family:Times New Roman" size="2"><b> </b></font></td> <td valign="bottom" style="BORDER-BOTTOM:1px solid #000000"> <font size="1"> </font></td> <td valign="middle" style="BORDER-BOTTOM:1px solid #000000"> <font style="font-family:Times New Roman" size="2"> </font></td> <td valign="middle" style="BORDER-BOTTOM:1px solid #000000" align="right"><font style="font-family:Times New Roman" size="2">2,492.7</font></td> <td nowrap="nowrap" valign="middle" style="BORDER-BOTTOM:1px solid #000000"><font style="font-family:Times New Roman" size="2"> </font></td> <td valign="bottom" style="BORDER-BOTTOM:1px solid #000000"> <font size="1"> </font></td> <td valign="middle" style="BORDER-BOTTOM:1px solid #000000"> <font style="font-family:Times New Roman" size="2"> </font></td> <td valign="middle" style="BORDER-BOTTOM:1px solid #000000" align="right"><font style="font-family:Times New Roman" size="2">1,817.3</font></td> <td nowrap="nowrap" valign="middle" style="BORDER-BOTTOM:1px solid #000000"><font style="font-family:Times New Roman" size="2"> </font></td> </tr> <tr> <td valign="top"> <p style="margin-left:1.00em; text-indent:-1.00em"><font style="font-family:Times New Roman" size="2">Purchase of Chaucer, net of reinsurance recoverable on unpaid losses of $669.6</font></p> </td> <td valign="bottom"><font size="1">  </font></td> <td valign="bottom"><font style="font-family:Times New Roman" size="2"><b> </b></font></td> <td valign="bottom" align="right"><font style="font-family:Times New Roman" size="2"><b>—</b></font></td> <td nowrap="nowrap" valign="bottom"><font style="font-family:Times New Roman" size="2"><b> </b></font></td> <td valign="bottom"><font size="1"> </font></td> <td valign="bottom"><font style="font-family:Times New Roman" size="2"> </font></td> <td valign="bottom" align="right"><font style="font-family:Times New Roman" size="2">1,631.0</font></td> <td nowrap="nowrap" valign="bottom"><font style="font-family:Times New Roman" size="2"> </font></td> <td valign="bottom"><font size="1"> </font></td> <td valign="bottom"><font style="font-family:Times New Roman" size="2"> </font></td> <td valign="bottom" align="right"><font style="font-family:Times New Roman" size="2">—</font></td> <td nowrap="nowrap" valign="bottom"><font style="font-family:Times New Roman" size="2"> </font></td> </tr> <tr bgcolor="#CCEEFF"> <td valign="top"> <p style="margin-left:1.00em; text-indent:-1.00em"><font style="font-family:Times New Roman" size="2">Purchase of Campania</font></p> </td> <td valign="bottom"><font size="1">  </font></td> <td valign="bottom"><font style="font-family:Times New Roman" size="2"><b> </b></font></td> <td valign="bottom" align="right"><font style="font-family:Times New Roman" size="2"><b>—</b></font></td> <td nowrap="nowrap" valign="bottom"><font style="font-family:Times New Roman" size="2"><b> </b></font></td> <td valign="bottom"><font size="1"> </font></td> <td valign="bottom"><font style="font-family:Times New Roman" size="2"> </font></td> <td valign="bottom" align="right"><font style="font-family:Times New Roman" size="2">—</font></td> <td nowrap="nowrap" valign="bottom"><font style="font-family:Times New Roman" size="2"> </font></td> <td valign="bottom"><font size="1"> </font></td> <td valign="bottom"><font style="font-family:Times New Roman" size="2"> </font></td> <td valign="bottom" align="right"><font style="font-family:Times New Roman" size="2">29.5</font></td> <td nowrap="nowrap" valign="bottom"><font style="font-family:Times New Roman" size="2"> </font></td> </tr> <tr> <td valign="middle" style="BORDER-BOTTOM:1px solid #000000"> <p style="margin-left:1.00em; text-indent:-1.00em"><font style="font-family:Times New Roman" size="2">Effect of foreign exchange rate changes</font></p> </td> <td valign="bottom" style="BORDER-BOTTOM:1px solid #000000"> <font size="1">  </font></td> <td valign="middle" style="BORDER-BOTTOM:1px solid #000000"> <font style="font-family:Times New Roman" size="2"><b> </b></font></td> <td valign="middle" style="BORDER-BOTTOM:1px solid #000000" align="right"><font style="font-family:Times New Roman" size="2"><b>33.9</b></font></td> <td nowrap="nowrap" valign="middle" style="BORDER-BOTTOM:1px solid #000000"><font style="font-family:Times New Roman" size="2"><b> </b></font></td> <td valign="bottom" style="BORDER-BOTTOM:1px solid #000000"> <font size="1"> </font></td> <td valign="middle" style="BORDER-BOTTOM:1px solid #000000"> <font style="font-family:Times New Roman" size="2"> </font></td> <td valign="middle" style="BORDER-BOTTOM:1px solid #000000" align="right"><font style="font-family:Times New Roman" size="2">(22.8</font></td> <td nowrap="nowrap" valign="middle" style="BORDER-BOTTOM:1px solid #000000"><font style="font-family:Times New Roman" size="2">) </font></td> <td valign="bottom" style="BORDER-BOTTOM:1px solid #000000"> <font size="1"> </font></td> <td valign="middle" style="BORDER-BOTTOM:1px solid #000000"> <font style="font-family:Times New Roman" size="2"> </font></td> <td valign="middle" style="BORDER-BOTTOM:1px solid #000000" align="right"><font style="font-family:Times New Roman" size="2">—</font></td> <td nowrap="nowrap" valign="middle" style="BORDER-BOTTOM:1px solid #000000"><font style="font-family:Times New Roman" size="2"> </font></td> </tr> <tr bgcolor="#CCEEFF"> <td valign="top"> <p style="margin-left:1.00em; text-indent:-1.00em"><font style="font-family:Times New Roman" size="2">Net reserve for losses and LAE, end of year</font></p> </td> <td valign="bottom"><font size="1">  </font></td> <td valign="bottom"><font style="font-family:Times New Roman" size="2"><b> </b></font></td> <td valign="bottom" align="right"><font style="font-family:Times New Roman" size="2"><b>4,122.7</b></font></td> <td nowrap="nowrap" valign="bottom"><font style="font-family:Times New Roman" size="2"><b> </b></font></td> <td valign="bottom"><font size="1"> </font></td> <td valign="bottom"><font style="font-family:Times New Roman" size="2"> </font></td> <td valign="bottom" align="right"><font style="font-family:Times New Roman" size="2">3,828.5</font></td> <td nowrap="nowrap" valign="bottom"><font style="font-family:Times New Roman" size="2"> </font></td> <td valign="bottom"><font size="1"> </font></td> <td valign="bottom"><font style="font-family:Times New Roman" size="2"> </font></td> <td valign="bottom" align="right"><font style="font-family:Times New Roman" size="2">2,162.2</font></td> <td nowrap="nowrap" valign="bottom"><font style="font-family:Times New Roman" size="2"> </font></td> </tr> <tr> <td valign="middle" style="BORDER-BOTTOM:1px solid #000000"> <p style="margin-left:2.32em; text-indent:-1.00em"><font style="font-family:Times New Roman" size="2">Reinsurance recoverable on unpaid losses</font></p> </td> <td valign="bottom" style="BORDER-BOTTOM:1px solid #000000"> <font size="1">  </font></td> <td valign="middle" style="BORDER-BOTTOM:1px solid #000000"> <font style="font-family:Times New Roman" size="2"><b> </b></font></td> <td valign="middle" style="BORDER-BOTTOM:1px solid #000000" align="right"><font style="font-family:Times New Roman" size="2"><b>2,074.3</b></font></td> <td nowrap="nowrap" valign="middle" style="BORDER-BOTTOM:1px solid #000000"><font style="font-family:Times New Roman" size="2"><b> </b></font></td> <td valign="bottom" style="BORDER-BOTTOM:1px solid #000000"> <font size="1"> </font></td> <td valign="middle" style="BORDER-BOTTOM:1px solid #000000"> <font style="font-family:Times New Roman" size="2"> </font></td> <td valign="middle" style="BORDER-BOTTOM:1px solid #000000" align="right"><font style="font-family:Times New Roman" size="2">1,931.8</font></td> <td nowrap="nowrap" valign="middle" style="BORDER-BOTTOM:1px solid #000000"><font style="font-family:Times New Roman" size="2"> </font></td> <td valign="bottom" style="BORDER-BOTTOM:1px solid #000000"> <font size="1"> </font></td> <td valign="middle" style="BORDER-BOTTOM:1px solid #000000"> <font style="font-family:Times New Roman" size="2"> </font></td> <td valign="middle" style="BORDER-BOTTOM:1px solid #000000" align="right"><font style="font-family:Times New Roman" size="2">1,115.5</font></td> <td nowrap="nowrap" valign="middle" style="BORDER-BOTTOM:1px solid #000000"><font style="font-family:Times New Roman" size="2"> </font></td> </tr> <tr bgcolor="#CCEEFF"> <td valign="middle" style="BORDER-BOTTOM:1px solid #000000"> <p style="margin-left:1.00em; text-indent:-1.00em"><font style="font-family:Times New Roman" size="2">Gross reserve for losses and LAE, end of year</font></p> </td> <td valign="bottom" style="BORDER-BOTTOM:1px solid #000000"> <font size="1">  </font></td> <td valign="middle" style="BORDER-BOTTOM:1px solid #000000"> <font style="font-family:Times New Roman" size="2"><b>$</b></font></td> <td valign="middle" style="BORDER-BOTTOM:1px solid #000000" align="right"><font style="font-family:Times New Roman" size="2"><b>6,197.0</b></font></td> <td nowrap="nowrap" valign="middle" style="BORDER-BOTTOM:1px solid #000000"><font style="font-family:Times New Roman" size="2"><b> </b></font></td> <td valign="bottom" style="BORDER-BOTTOM:1px solid #000000"> <font size="1"> </font></td> <td valign="middle" style="BORDER-BOTTOM:1px solid #000000"> <font style="font-family:Times New Roman" size="2">$</font></td> <td valign="middle" style="BORDER-BOTTOM:1px solid #000000" align="right"><font style="font-family:Times New Roman" size="2">5,760.3</font></td> <td nowrap="nowrap" valign="middle" style="BORDER-BOTTOM:1px solid #000000"><font style="font-family:Times New Roman" size="2"> </font></td> <td valign="bottom" style="BORDER-BOTTOM:1px solid #000000"> <font size="1"> </font></td> <td valign="middle" style="BORDER-BOTTOM:1px solid #000000"> <font style="font-family:Times New Roman" size="2">$</font></td> <td valign="middle" style="BORDER-BOTTOM:1px solid #000000" align="right"><font style="font-family:Times New Roman" size="2">3,277.7</font></td> <td nowrap="nowrap" valign="middle" style="BORDER-BOTTOM:1px solid #000000"><font style="font-family:Times New Roman" size="2"> </font></td> </tr> </table> </div> | |
CY2012 | us-gaap |
Payments For Repurchase Of Common Stock
PaymentsForRepurchaseOfCommonStock
|
20000000 | |
CY2012 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Options Expirations In Period
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExpirationsInPeriod
|
159850 | shares |
CY2012 | us-gaap |
Payments To Acquire Available For Sale Securities Debt
PaymentsToAcquireAvailableForSaleSecuritiesDebt
|
2170400000 | |
CY2012 | us-gaap |
Income Loss From Continuing Operations Before Income Taxes Foreign
IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign
|
127800000 | |
CY2012 | us-gaap |
Income Tax Reconciliation Tax Exempt Income
IncomeTaxReconciliationTaxExemptIncome
|
-1500000 | |
CY2012 | us-gaap |
Assumed Premiums Earned Property And Casualty
AssumedPremiumsEarnedPropertyAndCasualty
|
687000000 | |
CY2012 | us-gaap |
Premiums Earned Net Property And Casualty
PremiumsEarnedNetPropertyAndCasualty
|
4239100000 | |
CY2012 | us-gaap |
Stock Repurchased During Period Value
StockRepurchasedDuringPeriodValue
|
20000000 | |
CY2012 | us-gaap |
Depreciation And Amortization
DepreciationAndAmortization
|
35600000 | |
CY2012 | us-gaap |
Effective Income Tax Rate Continuing Operations
EffectiveIncomeTaxRateContinuingOperations
|
-0.606 | pure |
CY2012 | us-gaap |
Proceeds From Stock Options Exercised
ProceedsFromStockOptionsExercised
|
2600000 | |
CY2012 | us-gaap |
Liability For Unpaid Claims And Claims Adjustment Expense Claims Paid Prior Years
LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseClaimsPaidPriorYears
|
1396500000 | |
CY2012 | us-gaap |
Valuation Allowances And Reserves Charged To Other Accounts
ValuationAllowancesAndReservesChargedToOtherAccounts
|
900000 | |
CY2012 | us-gaap |
Business Combination Acquisition Related Costs
BusinessCombinationAcquisitionRelatedCosts
|
2600000 | |
CY2012 | us-gaap |
Net Cash Provided By Used In Operating Activities
NetCashProvidedByUsedInOperatingActivities
|
408200000 | |
CY2012 | us-gaap |
Net Cash Provided By Used In Investing Activities
NetCashProvidedByUsedInInvestingActivities
|
-562800000 | |
CY2012 | us-gaap |
Investment Income Interest And Dividend
InvestmentIncomeInterestAndDividend
|
286500000 | |
CY2012 | us-gaap |
Liability For Unpaid Claims And Claims Adjustment Expense Incurred Claims
LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseIncurredClaims
|
2974400000 | |
CY2012 | us-gaap |
Defined Benefit Plan Ultimate Health Care Cost Trend Rate
DefinedBenefitPlanUltimateHealthCareCostTrendRate
|
0.0500 | pure |
CY2012 | us-gaap |
Increase Decrease In Premiums Receivable
IncreaseDecreaseInPremiumsReceivable
|
53300000 | |
CY2012 | us-gaap |
Other Comprehensive Income Loss Foreign Currency Translation Adjustment Tax
OtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentTax
|
4300000 | |
CY2012 | us-gaap |
Increase Decrease In Accrued Investment Income Receivable
IncreaseDecreaseInAccruedInvestmentIncomeReceivable
|
-2700000 | |
CY2012 | us-gaap |
Supplemental Information For Property Casualty Insurance Underwriters Premiums Written
SupplementalInformationForPropertyCasualtyInsuranceUnderwritersPremiumsWritten
|
4368400000 | |
CY2012 | us-gaap |
Foreign Currency Transaction Gain Before Tax
ForeignCurrencyTransactionGainBeforeTax
|
6300000 | |
CY2012 | us-gaap |
Deferred Policy Acquisition Cost Amortization Expense
DeferredPolicyAcquisitionCostAmortizationExpense
|
938100000 | |
CY2012 | us-gaap |
Supplemental Information For Property Casualty Insurance Underwriters Prior Year Claims And Claims Adjustment Expense
SupplementalInformationForPropertyCasualtyInsuranceUnderwritersPriorYearClaimsAndClaimsAdjustmentExpense
|
15800000 | |
CY2012 | us-gaap |
Segment Reporting Information Revenue
SegmentReportingInformationRevenue
|
4567100000 | |
CY2012 | us-gaap |
Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Net Of Tax
OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax
|
100000 | |
CY2012 | us-gaap |
Increase Decrease In Securities Lending Payable
IncreaseDecreaseInSecuritiesLendingPayable
|
5200000 | |
CY2012 | us-gaap |
Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price
ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice
|
25.47 | |
CY2012 | us-gaap |
Increase Decrease In Deferred Income Taxes
IncreaseDecreaseInDeferredIncomeTaxes
|
35500000 | |
CY2012 | us-gaap |
Income Loss From Discontinued Operations Net Of Tax
IncomeLossFromDiscontinuedOperationsNetOfTax
|
9800000 | |
CY2012 | us-gaap |
Liability For Asbestos And Environmental Claims Net Incurred Loss
LiabilityForAsbestosAndEnvironmentalClaimsNetIncurredLoss
|
9800000 | |
CY2012 | us-gaap |
Discontinued Operation Gain Loss On Disposal Of Discontinued Operation Net Of Tax
DiscontinuedOperationGainLossOnDisposalOfDiscontinuedOperationNetOfTax
|
700000 | |
CY2012 | us-gaap |
Number Of Operating Segments
NumberOfOperatingSegments
|
4 | Segment |
CY2012 | us-gaap |
Payments To Acquire Property Plant And Equipment
PaymentsToAcquirePropertyPlantAndEquipment
|
21300000 | |
CY2012 | us-gaap |
Increase Decrease In Deferred Policy Acquisition Costs
IncreaseDecreaseInDeferredPolicyAcquisitionCosts
|
30800000 | |
CY2012 | us-gaap |
Cash And Cash Equivalents Period Increase Decrease
CashAndCashEquivalentsPeriodIncreaseDecrease
|
-255900000 | |
CY2012 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Volatility Rate Minimum
ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMinimum
|
0.3286 | pure |
CY2012 | us-gaap |
Proceeds From Issuance Of Long Term Debt
ProceedsFromIssuanceOfLongTermDebt
|
7400000 | |
CY2012 | us-gaap |
Benefits Losses And Expenses
BenefitsLossesAndExpenses
|
4562000000 | |
CY2012 | us-gaap |
Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax
OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax
|
9800000 | |
CY2012 | us-gaap |
Other Comprehensive Income Reclassification Of Defined Benefit Plans Net Gain Loss Recognized In Net Periodic Benefit Cost Before Tax
OtherComprehensiveIncomeReclassificationOfDefinedBenefitPlansNetGainLossRecognizedInNetPeriodicBenefitCostBeforeTax
|
13000000 | |
CY2012 | us-gaap |
Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Before Tax
OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodBeforeTax
|
200000 | |
CY2012 | us-gaap |
Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Gain Loss Included In Other Comprehensive Income Loss
FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInOtherComprehensiveIncomeLoss
|
-3300000 | |
CY2012 | us-gaap |
Premiums Written Net Property And Casualty
PremiumsWrittenNetPropertyAndCasualty
|
4368400000 | |
CY2012 | us-gaap |
Other Than Temporary Impairment Credit Losses Recognized In Earnings Reductions Change In Status
OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsReductionsChangeInStatus
|
200000 | |
CY2012 | us-gaap |
Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized Period For Recognition1
EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1
|
P2Y3M18D | |
CY2012 | us-gaap |
Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Net Unamortized Gain Loss Arising During Period Before Tax
OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansNetUnamortizedGainLossArisingDuringPeriodBeforeTax
|
-24900000 | |
CY2012 | us-gaap |
Earnings Per Share Basic
EarningsPerShareBasic
|
1.25 | |
CY2012 | us-gaap |
Reinsurance Effect On Claims And Benefits Incurred Amount Ceded
ReinsuranceEffectOnClaimsAndBenefitsIncurredAmountCeded
|
588400000 | |
CY2012 | us-gaap |
Increase Decrease In Insurance Liabilities
IncreaseDecreaseInInsuranceLiabilities
|
618800000 | |
CY2012 | us-gaap |
Weighted Average Number Of Diluted Shares Outstanding
WeightedAverageNumberOfDilutedSharesOutstanding
|
45300000 | shares |
CY2012 | us-gaap |
Supplementary Insurance Information Net Investment Income
SupplementaryInsuranceInformationNetInvestmentIncome
|
276600000 | |
CY2012 | us-gaap |
Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax
OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax
|
7900000 | |
CY2012 | us-gaap |
Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments
IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments
|
28700000 | |
CY2012 | us-gaap |
Interest Expense Debt
InterestExpenseDebt
|
61900000 | |
CY2012 | us-gaap |
Proceeds From Divestiture Of Businesses And Interests In Affiliates
ProceedsFromDivestitureOfBusinessesAndInterestsInAffiliates
|
5200000 | |
CY2012 | us-gaap |
Payments To Acquire Available For Sale Securities Equity
PaymentsToAcquireAvailableForSaleSecuritiesEquity
|
274900000 | |
CY2012 | us-gaap |
Other Comprehensive Income Loss Net Of Tax
OtherComprehensiveIncomeLossNetOfTax
|
115400000 | |
CY2012 | us-gaap |
Supplemental Information For Property Casualty Insurance Underwriters Net Investment Income
SupplementalInformationForPropertyCasualtyInsuranceUnderwritersNetInvestmentIncome
|
276600000 | |
CY2012 | us-gaap |
Net Cash Provided By Used In Financing Activities
NetCashProvidedByUsedInFinancingActivities
|
-133400000 | |
CY2012 | us-gaap |
Other Comprehensive Income Loss Reclassification Adjustment For Sale Of Securities Included In Net Income Tax
OtherComprehensiveIncomeLossReclassificationAdjustmentForSaleOfSecuritiesIncludedInNetIncomeTax
|
-5900000 | |
CY2012 | us-gaap |
Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Before Tax
OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax
|
186400000 | |
CY2012 | us-gaap |
Other Comprehensive Income Loss Reclassification Adjustment For Sale Of Securities Included In Net Income Net Of Tax
OtherComprehensiveIncomeLossReclassificationAdjustmentForSaleOfSecuritiesIncludedInNetIncomeNetOfTax
|
-29000000 | |
CY2012 | us-gaap |
Discontinued Operation Tax Effect Of Discontinued Operation
DiscontinuedOperationTaxEffectOfDiscontinuedOperation
|
500000 | |
CY2012 | us-gaap |
Income Loss From Continuing Operations Per Basic Share
IncomeLossFromContinuingOperationsPerBasicShare
|
1.03 | |
CY2012 | us-gaap |
Liability For Unpaid Claims And Claims Adjustment Expense Incurred Claims Current Year
LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseIncurredClaimsCurrentYear
|
2990200000 | |
CY2012 | us-gaap |
Gain Loss On Sale Of Investments
GainLossOnSaleOfInvestments
|
22800000 | |
CY2012 | us-gaap |
Stock Repurchase Program Authorized Amount
StockRepurchaseProgramAuthorizedAmount
|
500000000 | |
CY2012 | us-gaap |
Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Before Tax
OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax
|
12200000 | |
CY2012 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures In Period
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod
|
101574 | shares |
CY2012 | us-gaap |
Stock Repurchased During Period Shares
StockRepurchasedDuringPeriodShares
|
500000 | shares |
CY2012 | us-gaap |
Reinsurance Effect On Claims And Benefits Incurred Policies Acquired In Period
ReinsuranceEffectOnClaimsAndBenefitsIncurredPoliciesAcquiredInPeriod
|
3251400000 | |
CY2012 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Volatility Rate Maximum
ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMaximum
|
0.3527 | pure |
CY2012 | us-gaap |
Other Comprehensive Income Loss Reclassification Adjustment For Sale Of Securities Included In Net Income Before Tax
OtherComprehensiveIncomeLossReclassificationAdjustmentForSaleOfSecuritiesIncludedInNetIncomeBeforeTax
|
-23100000 | |
CY2012 | us-gaap |
Supplementary Insurance Information Premiums Written
SupplementaryInsuranceInformationPremiumsWritten
|
4368400000 | |
CY2012 | us-gaap |
Income Tax Expense Benefit Continuing Operations Discontinued Operations Extraordinary Items
IncomeTaxExpenseBenefitContinuingOperationsDiscontinuedOperationsExtraordinaryItems
|
2900000 | |
CY2012 | us-gaap |
Policyholder Benefits And Claims Incurred Net
PolicyholderBenefitsAndClaimsIncurredNet
|
2974400000 | |
CY2012 | us-gaap |
Assumed Premiums Written Property And Casualty
AssumedPremiumsWrittenPropertyAndCasualty
|
689100000 | |
CY2012 | us-gaap |
Income Tax Reconciliation Change In Deferred Tax Assets Valuation Allowance
IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance
|
-7700000 | |
CY2012 | us-gaap |
Income Loss From Continuing Operations Before Income Taxes Domestic
IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic
|
-99100000 | |
CY2012 | us-gaap |
Weighted Average Number Of Shares Outstanding Basic
WeightedAverageNumberOfSharesOutstandingBasic
|
44700000 | shares |
CY2012 | us-gaap |
Supplementary Insurance Information Amortization Of Deferred Policy Acquisition Costs
SupplementaryInsuranceInformationAmortizationOfDeferredPolicyAcquisitionCosts
|
938100000 | |
CY2012 | us-gaap |
Supplementary Insurance Information Other Operating Expense
SupplementaryInsuranceInformationOtherOperatingExpense
|
641400000 | |
CY2012 | us-gaap |
Stock Repurchase Program Remaining Authorized Repurchase Amount
StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount
|
115200000 | |
CY2012 | us-gaap |
Operating Leases Rent Expense Net
OperatingLeasesRentExpenseNet
|
22400000 | |
CY2012 | us-gaap |
Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate
EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate
|
0.35 | pure |
CY2012 | us-gaap |
Premiums Earned Net
PremiumsEarnedNet
|
4239100000 | |
CY2012 | us-gaap |
Income Tax Reconciliation Nondeductible Expense
IncomeTaxReconciliationNondeductibleExpense
|
2800000 | |
CY2012 | us-gaap |
Supplemental Information For Property Casualty Insurance Underwriters Amortization Of Deferred Policy Acquisition Costs
SupplementalInformationForPropertyCasualtyInsuranceUnderwritersAmortizationOfDeferredPolicyAcquisitionCosts
|
938100000 | |
CY2012 | us-gaap |
Sharebased Compensation Arrangement By Sharebased Payment Award Options Outstanding Weighted Average Remaining Contractual Term2
SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2
|
P5Y | |
CY2012 | us-gaap |
Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Tax
OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax
|
5800000 | |
CY2012 | us-gaap |
Supplementary Insurance Information Benefits Claims Losses And Settlement Expense
SupplementaryInsuranceInformationBenefitsClaimsLossesAndSettlementExpense
|
2974400000 | |
CY2012 | us-gaap |
Other Than Temporary Impairment Losses Investments Portion Recognized In Earnings Net
OtherThanTemporaryImpairmentLossesInvestmentsPortionRecognizedInEarningsNet
|
7800000 | |
CY2012 | us-gaap |
Revenues
Revenues
|
4590700000 | |
CY2012 | us-gaap |
Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Before Tax
OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax
|
15600000 | |
CY2012 | us-gaap |
Payments For Losses And Loss Adjustment Expense
PaymentsForLossesAndLossAdjustmentExpense
|
2714100000 | |
CY2012 | us-gaap |
Direct Premiums Written Property And Casualty
DirectPremiumsWrittenPropertyAndCasualty
|
4515100000 | |
CY2012 | us-gaap |
Current Foreign Tax Expense Benefit
CurrentForeignTaxExpenseBenefit
|
16100000 | |
CY2012 | us-gaap |
Income Taxes Paid Net
IncomeTaxesPaidNet
|
-5500000 | |
CY2012 | us-gaap |
Sales Of Real Estate
SalesOfRealEstate
|
75900000 | |
CY2012 | us-gaap |
Proceeds From Sale Of Available For Sale Securities Debt
ProceedsFromSaleOfAvailableForSaleSecuritiesDebt
|
1684800000 | |
CY2012 | us-gaap |
Allocated Share Based Compensation Expense
AllocatedShareBasedCompensationExpense
|
12800000 | |
CY2012 | us-gaap |
Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest
IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
|
13200000 | |
CY2012 | us-gaap |
Other Comprehensive Income Loss Available For Sale Securities Tax
OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax
|
-46100000 | |
CY2012 | us-gaap |
Payments For Proceeds From Derivative Instrument Investing Activities
PaymentsForProceedsFromDerivativeInstrumentInvestingActivities
|
4400000 | |
CY2012 | thg |
Per Share Effect Of Dilutive Securities On Income From Continuing Operations
PerShareEffectOfDilutiveSecuritiesOnIncomeFromContinuingOperations
|
10000 | |
CY2012 | thg |
Per Share Effect Of Dilutive Securities On Net Income
PerShareEffectOfDilutiveSecuritiesOnNetIncome
|
20000 | |
CY2012 | us-gaap |
Supplemental Information For Property Casualty Insurance Underwriters Paid Claims And Claims Adjustment Expense
SupplementalInformationForPropertyCasualtyInsuranceUnderwritersPaidClaimsAndClaimsAdjustmentExpense
|
2714100000 | |
CY2012 | us-gaap |
Other Than Temporary Impairment Credit Losses Recognized In Earnings Additions No Previous Impairment
OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsAdditionsNoPreviousImpairment
|
600000 | |
CY2012 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Award Vesting Period1
ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1
|
P4Y | |
CY2012 | us-gaap |
Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Tax
OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodTax
|
-100000 | |
CY2012 | us-gaap |
Defined Contribution Plan Cost Recognized
DefinedContributionPlanCostRecognized
|
17900000 | |
CY2012 | us-gaap |
Revenues From Transactions With Other Operating Segments Of Same Entity
RevenuesFromTransactionsWithOtherOperatingSegmentsOfSameEntity
|
-6500000 | |
CY2012 | us-gaap |
Other Than Temporary Impairment Credit Losses Recognized In Earnings Reductions Securities Sold
OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsReductionsSecuritiesSold
|
6900000 | |
CY2012 | us-gaap |
Income Tax Reconciliation Deductions Dividends
IncomeTaxReconciliationDeductionsDividends
|
-2800000 | |
CY2012 | us-gaap |
Other Cost And Expense Operating
OtherCostAndExpenseOperating
|
587600000 | |
CY2012 | us-gaap |
Deferred Income Tax Expense Benefit
DeferredIncomeTaxExpenseBenefit
|
-35800000 | |
CY2012 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate Maximum
ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMaximum
|
0.0160 | pure |
CY2012 | us-gaap |
Proceeds From Sale Of Available For Sale Securities Equity
ProceedsFromSaleOfAvailableForSaleSecuritiesEquity
|
218200000 | |
CY2012 | us-gaap |
Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount
AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
|
1800000 | shares |
CY2012 | us-gaap |
Other Comprehensive Income Loss Available For Sale Securities Adjustment Before Tax
OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentBeforeTax
|
163300000 | |
CY2012 | us-gaap |
Deferred Foreign Income Tax Expense Benefit
DeferredForeignIncomeTaxExpenseBenefit
|
6900000 | |
CY2012 | us-gaap |
Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Transfers Out Of Level3
FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersOutOfLevel3
|
11000000 | |
CY2012 | us-gaap |
Net Income Loss
NetIncomeLoss
|
55900000 | |
CY2012 | us-gaap |
Interest Paid Net
InterestPaidNet
|
62700000 | |
CY2012 | us-gaap |
Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Transfers Into Level3
FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersIntoLevel3
|
7000000 | |
CY2012 | thg |
Common Stock Held By Pension Plan Shares
CommonStockHeldByPensionPlanShares
|
466755 | shares |
CY2012 | us-gaap |
Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Sales
FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSales
|
10600000 | |
CY2012 | us-gaap |
Foreign Currency Transaction Gain Loss Realized
ForeignCurrencyTransactionGainLossRealized
|
-400000 | |
CY2012 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod
|
529500 | shares |
CY2012 | us-gaap |
Net Investment Income
NetInvestmentIncome
|
276600000 | |
CY2012 | us-gaap |
Direct Premiums Earned Property And Casualty
DirectPremiumsEarnedPropertyAndCasualty
|
4352900000 | |
CY2012 | us-gaap |
Supplementary Insurance Information Premium Revenue
SupplementaryInsuranceInformationPremiumRevenue
|
4239100000 | |
CY2012 | us-gaap |
Income Tax Expense Benefit
IncomeTaxExpenseBenefit
|
-17400000 | |
CY2012 | us-gaap |
Effect Of Exchange Rate On Cash And Cash Equivalents
EffectOfExchangeRateOnCashAndCashEquivalents
|
32100000 | |
CY2012 | us-gaap |
Income Loss From Continuing Operations Per Diluted Share
IncomeLossFromContinuingOperationsPerDilutedShare
|
1.02 | |
CY2012 | us-gaap |
Other Amortization Of Deferred Charges
OtherAmortizationOfDeferredCharges
|
9300000 | |
CY2012 | us-gaap |
Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax
OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax
|
146200000 | |
CY2012 | us-gaap |
Payments Of Dividends
PaymentsOfDividends
|
55100000 | |
CY2012 | us-gaap |
Realized Investment Gains Losses
RealizedInvestmentGainsLosses
|
31400000 | |
CY2012 | us-gaap |
Ceded Premiums Written Property And Casualty
CededPremiumsWrittenPropertyAndCasualty
|
835800000 | |
CY2012 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Grant Date Fair Value
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue
|
8.87 | |
CY2012 | us-gaap |
Other Than Temporary Impairment Credit Losses Recognized In Earnings Additions Additional Credit Losses
OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsAdditionsAdditionalCreditLosses
|
600000 | |
CY2012 | us-gaap |
Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax
OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax
|
117200000 | |
CY2012 | thg |
Portion Of Impairment Loss Recognized In Other Comprehensive Income
PortionOfImpairmentLossRecognizedInOtherComprehensiveIncome
|
500000 | |
CY2012 | thg |
Contribution To Charitable Foundation
ContributionToCharitableFoundation
|
1700000 | |
CY2012 | thg |
Other Comprehensive Income Net Unrealized Gains And Losses On Securities Before Tax
OtherComprehensiveIncomeNetUnrealizedGainsAndLossesOnSecuritiesBeforeTax
|
163500000 | |
CY2012 | thg |
Other Comprehensive Income Net Unrealized Gains And Losses On Securities Tax
OtherComprehensiveIncomeNetUnrealizedGainsAndLossesOnSecuritiesTax
|
-46200000 | |
CY2012 | thg |
Other Comprehensive Income Defined Benefit Plans Adjustment Amortization Recognized As Net Periodic Pension And Postretirement Cost Benefit Before Tax Period
OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentAmortizationRecognizedAsNetPeriodicPensionAndPostretirementCostBenefitBeforeTaxPeriod
|
-9300000 | |
CY2012 | thg |
Foreign Income Permanently Reinvested
ForeignIncomePermanentlyReinvested
|
10000000 | |
CY2012 | thg |
Liability For Asbestos And Environmental Claims Reinsurance
LiabilityForAsbestosAndEnvironmentalClaimsReinsurance
|
20400000 | |
CY2012 | thg |
Liability For Unpaid Claims And Claims Adjustment Expense Effect Of Foreign Exchange Rates
LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseEffectOfForeignExchangeRates
|
33900000 | |
CY2012 | thg |
Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Dividend Rate Minimum
ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRateMinimum
|
0.0313 | pure |
CY2012 | thg |
Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Dividend Rate Maximum
ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRateMaximum
|
0.0326 | pure |
CY2012 | thg |
Minimum Service Period Required To Avail Postretirement Benefits
MinimumServicePeriodRequiredToAvailPostretirementBenefits
|
15 | Y |
CY2012 | thg |
Treasury Rate
TreasuryRate
|
30 | Y |
CY2012 | thg |
Share Based Compensation Arrangement By Share Based Payment Award Market Based Restricted Stock Units Average Period
ShareBasedCompensationArrangementByShareBasedPaymentAwardMarketBasedRestrictedStockUnitsAveragePeriod
|
3 | Y |
CY2012 | thg |
Share Based Compensation Arrangement By Share Based Payment Award Maximum Period For Exercising
ShareBasedCompensationArrangementByShareBasedPaymentAwardMaximumPeriodForExercising
|
10 | Y |
CY2012 | thg |
Employee Eligibility Age
EmployeeEligibilityAge
|
40 | Y |
CY2012 | thg |
Gross Written Premium Percentage
GrossWrittenPremiumPercentage
|
1.00 | pure |
CY2012 | thg |
Uk Statutory Income Tax Rate
UkStatutoryIncomeTaxRate
|
0.23 | pure |
CY2012 | thg |
Performance Metric For Performance Based Restricted Stock Units
PerformanceMetricForPerformanceBasedRestrictedStockUnits
|
1.00 | pure |
CY2012 | thg |
Performance Metric For Performance Based Restricted Stock Units Maximum Potential Range
PerformanceMetricForPerformanceBasedRestrictedStockUnitsMaximumPotentialRange
|
1.33 | pure |
CY2012 | thg |
Performance Metric For Performance Based Restricted Stock Units Minimum Potential Range
PerformanceMetricForPerformanceBasedRestrictedStockUnitsMinimumPotentialRange
|
0.00 | pure |
CY2012 | thg |
Defined Benefit Plan Maximum Percentage Contributed By Employer
DefinedBenefitPlanMaximumPercentageContributedByEmployer
|
0.06 | pure |
CY2012 | thg |
Investment Income Non Accruals
InvestmentIncomeNonAccruals
|
2500000 | |
CY2012 | thg |
Defined Benefit Plan Additional Cost Contribution
DefinedBenefitPlanAdditionalCostContribution
|
4800000 | |
CY2012 | thg |
Net Unrealized Gains Impaired Securities
NetUnrealizedGainsImpairedSecurities
|
20500000 | |
CY2012 | thg |
Net Payment Of Losses And Losses Adjustment Expenses Current Year
NetPaymentOfLossesAndLossesAdjustmentExpensesCurrentYear
|
1317600000 | |
CY2012 | thg |
Other Than Temporary Impairments Related To Fixed Maturity Securities Intended To Sell
OtherThanTemporaryImpairmentsRelatedToFixedMaturitySecuritiesIntendedToSell
|
7800000 | |
CY2011Q2 | us-gaap |
Earnings Per Share Basic
EarningsPerShareBasic
|
-0.71 | |
CY2012 | thg |
Unrecognized Tax Benefits Decrease In Accrued Interest
UnrecognizedTaxBenefitsDecreaseInAccruedInterest
|
700000 | |
CY2012 | thg |
Reduction In Deferred Tax Assets Valuation Allowance Reflected As Increasein Accumulated Other Comprehensive Income
ReductionInDeferredTaxAssetsValuationAllowanceReflectedAsIncreaseinAccumulatedOtherComprehensiveIncome
|
28800000 | |
CY2012 | thg |
Share Based Compensation Arrangement By Share Based Payment Award Options Tax Expense Realized From Options Exercised
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsTaxExpenseRealizedFromOptionsExercised
|
400000 | |
CY2012 | thg |
Other Temporary Impairment Losses Investments Portion In Other Comprehensive Income Loss Before Taxes
OtherTemporaryImpairmentLossesInvestmentsPortionInOtherComprehensiveIncomeLossBeforeTaxes
|
12200000 | |
CY2012 | thg |
Other Than Temporary Impairments Related To Common Stocks
OtherThanTemporaryImpairmentsRelatedToCommonStocks
|
5400000 | |
CY2012 | thg |
Other Than Temporary Impairments Related To Estimated Credit Losses On Fixed Maturity Securities
OtherThanTemporaryImpairmentsRelatedToEstimatedCreditLossesOnFixedMaturitySecurities
|
1200000 | |
CY2012 | thg |
Income Tax Reconciliation Effect Of Foreign Operations
IncomeTaxReconciliationEffectOfForeignOperations
|
3900000 | |
CY2012 | thg |
Income Tax Reconciliation Tax Difference Related To Investment Disposals And Maturities
IncomeTaxReconciliationTaxDifferenceRelatedToInvestmentDisposalsAndMaturities
|
14300000 | |
CY2012 | thg |
Other Comprehensive Income Appreciation On Securities During Period Net Of Tax
OtherComprehensiveIncomeAppreciationOnSecuritiesDuringPeriodNetOfTax
|
151300000 | |
CY2012 | thg |
Contractual Investment Commitments
ContractualInvestmentCommitments
|
17300000 | |
CY2012 | thg |
Minimum Required Participant Age
MinimumRequiredParticipantAge
|
65 | Y |
CY2012 | thg |
Percentage Of Reduction In Stockholders Equity Due To New Accounting Pronouncement
PercentageOfReductionInStockholdersEquityDueToNewAccountingPronouncement
|
0.01 | pure |
CY2012 | thg |
Other Comprehensive Income Loss Net Unrealized Gains And Losses On Securities Tax
OtherComprehensiveIncomeLossNetUnrealizedGainsAndLossesOnSecuritiesTax
|
46200000 | |
CY2012 | thg |
Other Comprehensive Income Loss Net Unrealized Gains And Losses On Securities Net Of Tax
OtherComprehensiveIncomeLossNetUnrealizedGainsAndLossesOnSecuritiesNetOfTax
|
117300000 | |
CY2010Q1 | us-gaap |
Defined Benefit Plan Contributions By Employer
DefinedBenefitPlanContributionsByEmployer
|
100000000 | |
CY2011Q1 | us-gaap |
Income Loss From Continuing Operations
IncomeLossFromContinuingOperations
|
27900000 | |
CY2011Q1 | us-gaap |
Earnings Per Share Diluted
EarningsPerShareDiluted
|
0.64 | |
CY2011Q1 | us-gaap |
Common Stock Dividends Per Share Declared
CommonStockDividendsPerShareDeclared
|
0.275 | |
CY2011Q1 | us-gaap |
Earnings Per Share Basic
EarningsPerShareBasic
|
0.65 | |
CY2011Q1 | us-gaap |
Income Loss From Continuing Operations Per Basic Share
IncomeLossFromContinuingOperationsPerBasicShare
|
0.62 | |
CY2011Q1 | us-gaap |
Revenues
Revenues
|
833800000 | |
CY2011Q1 | us-gaap |
Net Income Loss
NetIncomeLoss
|
29300000 | |
CY2011Q1 | us-gaap |
Income Loss From Continuing Operations Per Diluted Share
IncomeLossFromContinuingOperationsPerDilutedShare
|
0.61 | |
CY2011Q2 | us-gaap |
Income Loss From Continuing Operations
IncomeLossFromContinuingOperations
|
-32800000 | |
CY2011Q2 | us-gaap |
Earnings Per Share Diluted
EarningsPerShareDiluted
|
-0.71 | |
CY2011Q2 | us-gaap |
Common Stock Dividends Per Share Declared
CommonStockDividendsPerShareDeclared
|
0.275 | |
CY2011Q2 | us-gaap |
Income Loss From Continuing Operations Per Basic Share
IncomeLossFromContinuingOperationsPerBasicShare
|
-0.72 | |
CY2011Q2 | us-gaap |
Revenues
Revenues
|
853900000 | |
CY2011Q2 | us-gaap |
Net Income Loss
NetIncomeLoss
|
-32200000 | |
CY2011Q2 | us-gaap |
Income Loss From Continuing Operations Per Diluted Share
IncomeLossFromContinuingOperationsPerDilutedShare
|
-0.72 | |
CY2012Q1 | us-gaap |
Income Loss From Continuing Operations
IncomeLossFromContinuingOperations
|
50700000 | |
CY2012Q1 | us-gaap |
Earnings Per Share Diluted
EarningsPerShareDiluted
|
1.09 | |
CY2012Q1 | us-gaap |
Common Stock Dividends Per Share Declared
CommonStockDividendsPerShareDeclared
|
0.30 | |
CY2012Q1 | us-gaap |
Earnings Per Share Basic
EarningsPerShareBasic
|
1.11 | |
CY2012Q1 | us-gaap |
Income Loss From Continuing Operations Per Basic Share
IncomeLossFromContinuingOperationsPerBasicShare
|
1.13 | |
CY2012Q1 | us-gaap |
Revenues
Revenues
|
1121800000 | |
CY2012Q1 | us-gaap |
Net Income Loss
NetIncomeLoss
|
49700000 | |
CY2012Q1 | us-gaap |
Income Loss From Continuing Operations Per Diluted Share
IncomeLossFromContinuingOperationsPerDilutedShare
|
1.11 | |
CY2012Q1 | thg |
Uk Statutory Income Tax Rate
UkStatutoryIncomeTaxRate
|
0.26 | pure |
CY2012Q2 | us-gaap |
Income Loss From Continuing Operations
IncomeLossFromContinuingOperations
|
9800000 | |
CY2012Q2 | us-gaap |
Earnings Per Share Diluted
EarningsPerShareDiluted
|
0.46 | |
CY2012Q2 | us-gaap |
Common Stock Dividends Per Share Declared
CommonStockDividendsPerShareDeclared
|
0.30 | |
CY2012Q2 | us-gaap |
Earnings Per Share Basic
EarningsPerShareBasic
|
0.46 | |
CY2012Q2 | us-gaap |
Income Loss From Continuing Operations Per Basic Share
IncomeLossFromContinuingOperationsPerBasicShare
|
0.22 | |
CY2012Q2 | us-gaap |
Revenues
Revenues
|
1127200000 | |
CY2012Q2 | us-gaap |
Net Income Loss
NetIncomeLoss
|
20800000 | |
CY2012Q2 | us-gaap |
Income Loss From Continuing Operations Per Diluted Share
IncomeLossFromContinuingOperationsPerDilutedShare
|
0.22 | |
CY2012Q4 | us-gaap |
Income Loss From Continuing Operations
IncomeLossFromContinuingOperations
|
-55300000 | |
CY2012Q4 | us-gaap |
Earnings Per Share Diluted
EarningsPerShareDiluted
|
-1.24 | |
CY2012Q4 | us-gaap |
Common Stock Dividends Per Share Declared
CommonStockDividendsPerShareDeclared
|
0.33 | |
CY2012Q4 | us-gaap |
Earnings Per Share Basic
EarningsPerShareBasic
|
-1.24 | |
CY2012Q4 | us-gaap |
Income Loss From Continuing Operations Per Basic Share
IncomeLossFromContinuingOperationsPerBasicShare
|
-1.24 | |
CY2012Q4 | us-gaap |
Revenues
Revenues
|
1184000000 | |
CY2012Q4 | us-gaap |
Net Income Loss
NetIncomeLoss
|
-55000000 | |
CY2012Q4 | us-gaap |
Income Loss From Continuing Operations Per Diluted Share
IncomeLossFromContinuingOperationsPerDilutedShare
|
-1.24 | |
CY2011Q3 | us-gaap |
Income Loss From Continuing Operations
IncomeLossFromContinuingOperations
|
-10000000 | |
CY2011Q3 | us-gaap |
Earnings Per Share Diluted
EarningsPerShareDiluted
|
-0.22 | |
CY2011Q3 | us-gaap |
Common Stock Dividends Per Share Declared
CommonStockDividendsPerShareDeclared
|
0.275 | |
CY2011Q3 | us-gaap |
Earnings Per Share Basic
EarningsPerShareBasic
|
-0.22 | |
CY2011Q3 | us-gaap |
Income Loss From Continuing Operations Per Basic Share
IncomeLossFromContinuingOperationsPerBasicShare
|
-0.22 | |
CY2011Q3 | us-gaap |
Revenues
Revenues
|
1108000000 | |
CY2011Q3 | us-gaap |
Net Income Loss
NetIncomeLoss
|
-10000000 | |
CY2011Q3 | us-gaap |
Income Loss From Continuing Operations Per Diluted Share
IncomeLossFromContinuingOperationsPerDilutedShare
|
-0.22 | |
CY2012Q3 | us-gaap |
Income Loss From Continuing Operations
IncomeLossFromContinuingOperations
|
40900000 | |
CY2012Q3 | us-gaap |
Earnings Per Share Diluted
EarningsPerShareDiluted
|
0.89 | |
CY2012Q3 | us-gaap |
Common Stock Dividends Per Share Declared
CommonStockDividendsPerShareDeclared
|
0.30 | |
CY2012Q3 | us-gaap |
Earnings Per Share Basic
EarningsPerShareBasic
|
0.91 | |
CY2012Q3 | us-gaap |
Income Loss From Continuing Operations Per Basic Share
IncomeLossFromContinuingOperationsPerBasicShare
|
0.92 | |
CY2012Q3 | us-gaap |
Revenues
Revenues
|
1157700000 | |
CY2012Q3 | us-gaap |
Net Income Loss
NetIncomeLoss
|
40400000 | |
CY2012Q3 | us-gaap |
Income Loss From Continuing Operations Per Diluted Share
IncomeLossFromContinuingOperationsPerDilutedShare
|
0.90 | |
CY2011Q4 | us-gaap |
Income Loss From Continuing Operations
IncomeLossFromContinuingOperations
|
46400000 | |
CY2011Q4 | us-gaap |
Earnings Per Share Diluted
EarningsPerShareDiluted
|
1.09 | |
CY2011Q4 | us-gaap |
Common Stock Dividends Per Share Declared
CommonStockDividendsPerShareDeclared
|
0.300 | |
CY2011Q4 | us-gaap |
Earnings Per Share Basic
EarningsPerShareBasic
|
1.10 | |
CY2011Q4 | us-gaap |
Income Loss From Continuing Operations Per Basic Share
IncomeLossFromContinuingOperationsPerBasicShare
|
1.03 | |
CY2011Q4 | us-gaap |
Revenues
Revenues
|
1135900000 | |
CY2011Q4 | us-gaap |
Net Income Loss
NetIncomeLoss
|
49600000 | |
CY2011Q4 | us-gaap |
Income Loss From Continuing Operations Per Diluted Share
IncomeLossFromContinuingOperationsPerDilutedShare
|
1.02 |