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CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE (LOSS) INCOME (USD $) In Millions, except Per Share data, unless otherwise specified | 3 Months Ended
--- | ---
Mar. 31, 2015 | Mar. 31, 2014
Revenues: |  |
Earned insurance and reinsurance premiums | $ 494.3 us-gaap_PremiumsEarnedNet | $ 493.6 us-gaap_PremiumsEarnedNet
Net investment income | 23.3 us-gaap_NetInvestmentIncome | 24.7 us-gaap_NetInvestmentIncome
Net realized and unrealized investment gains | 103.4 us-gaap_GainLossOnInvestments | 63.8 us-gaap_GainLossOnInvestments
Other revenue | 35.8 us-gaap_OtherIncome | (3.4)us-gaap_OtherIncome
Total revenues | 656.8 us-gaap_Revenues | 578.7 us-gaap_Revenues
Expenses: |  |
Loss and loss adjustment expenses | 265.4 us-gaap_PolicyholderBenefitsAndClaimsIncurredNet | 229.3 us-gaap_PolicyholderBenefitsAndClaimsIncurredNet
Insurance and Reinsurance Acquisition Expenses | 95.6 wtm_InsuranceAndReinsuranceAcquisitionExpenses | 95.1 wtm_InsuranceAndReinsuranceAcquisitionExpenses
Other underwriting expenses | 81.5 us-gaap_OtherUnderwritingExpense | 81.4 us-gaap_OtherUnderwritingExpense
General and administrative expenses | 116.4 us-gaap_GeneralAndAdministrativeExpense | 50.3 us-gaap_GeneralAndAdministrativeExpense
Interest expense | 11.1 us-gaap_InterestExpenseDebt | 10.1 us-gaap_InterestExpenseDebt
Total expenses | 570.0 us-gaap_BenefitsLossesAndExpenses | 466.2 us-gaap_BenefitsLossesAndExpenses
Pre-tax income from continuing operations | 86.8 us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments | 112.5 us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments
Income tax expense | (25.0)us-gaap_IncomeTaxExpenseBenefit | (30.9)us-gaap_IncomeTaxExpenseBenefit
Net income from continuing operations | 61.8 us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest | 81.6 us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest
Discontinued Operation, Gain (Loss) on Disposal of Discontinued Operation, Net of Tax | 8.0 us-gaap_DiscontinuedOperationGainLossOnDisposalOfDiscontinuedOperationNetOfTax | 0 us-gaap_DiscontinuedOperationGainLossOnDisposalOfDiscontinuedOperationNetOfTax
Net loss from discontinued operations, net of tax | (7.9)us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax | (0.5)us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax
Net loss from discontinued operations, net of tax | (0.1)us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity | (0.5)us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity
Income before equity in earnings of unconsolidated affiliates | 69.7 wtm_IncomeLossBeforeEquityEarningsOfUnconsolidatedAffiliatesExtraordinaryItemsAndCumulativeEffectOfChangeInAccountingPrinciple | 81.1 wtm_IncomeLossBeforeEquityEarningsOfUnconsolidatedAffiliatesExtraordinaryItemsAndCumulativeEffectOfChangeInAccountingPrinciple
Equity in earnings of unconsolidated affiliates, net of tax | 7.3 us-gaap_IncomeLossFromEquityMethodInvestments | 13.8 us-gaap_IncomeLossFromEquityMethodInvestments
Net income | 77.0 us-gaap_ProfitLoss | 94.9 us-gaap_ProfitLoss
Net loss attributable to non-controlling interests | 7.3 us-gaap_NetIncomeLossAttributableToNoncontrollingInterest | 0.6 us-gaap_NetIncomeLossAttributableToNoncontrollingInterest
Net income attributable to White Mountains’s common shareholders | 84.3 us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic | 95.5 us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic
Other comprehensive (loss) income, net of tax: |  |
Change in equity in net unrealized gains from investments in Symetra common shares, net of tax | 28.9 wtm_OtherComprehensiveIncomeLossEquityinUnrealizedGainsLossesfromInvestmentsinUnconsolidatedAffiliates | 36.5 wtm_OtherComprehensiveIncomeLossEquityinUnrealizedGainsLossesfromInvestmentsinUnconsolidatedAffiliates
Change in foreign currency translation, pension liability and other | (87.6)us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax | (7.8)us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax
Comprehensive income | 25.6 us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest | 124.2 us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest
Comprehensive income attributable to non-controlling interests | 0 us-gaap_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest | 0 us-gaap_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest
Comprehensive income attributable to White Mountains’s common shareholders | $ 25.6 us-gaap_ComprehensiveIncomeNetOfTax | $ 124.2 us-gaap_ComprehensiveIncomeNetOfTax
Basic income per share |  |
Continuing operations | $ 12.77 us-gaap_IncomeLossFromContinuingOperationsPerBasicShare | $ 15.56 us-gaap_IncomeLossFromContinuingOperationsPerBasicShare
Discontinued operations | $ 1.32 us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare | $ (0.08)us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare
Total consolidated operations | $ 14.09 us-gaap_EarningsPerShareBasic | $ 15.48 us-gaap_EarningsPerShareBasic
Diluted income per share |  |
Continuing operations | $ 12.77 us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare | $ 15.56 us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare
Discontinued operations | $ 1.32 us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare | $ (0.08)us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare
Total consolidated operations | $ 14.09 us-gaap_EarningsPerShareDiluted | $ 15.48 us-gaap_EarningsPerShareDiluted
Dividends declared per White Mountains’s common share | $ 1.00 us-gaap_CommonStockDividendsPerShareDeclared | $ 1.00 us-gaap_CommonStockDividendsPerShareDeclared

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