$WTM
WHITE MOUNTAINS INSURANCE GROUP LTD

2017 Q4 Form 10-K Financial Statement

#000077686718000002 Filed on February 28, 2018

View on sec.gov

Income Statement

Concept 2017 Q4 2017 2016 Q4
Revenue $114.0M $373.8M -$5.500M
YoY Change -2172.73% 137.03% -100.91%
Cost Of Revenue $139.4M
YoY Change 36.67%
Gross Profit $234.4M
YoY Change 320.83%
Gross Profit Margin 62.71%
Selling, General & Admin $102.6M $347.4M
YoY Change 25.19%
% of Gross Profit 148.21%
Research & Development
YoY Change
% of Gross Profit
Depreciation & Amortization $5.900M $22.40M $6.200M
YoY Change -4.84% 9.8% -122.63%
% of Gross Profit 9.56%
Operating Expenses $108.3M $363.7M $69.00M
YoY Change 56.96% 20.43% -108.65%
Operating Profit -$129.3M
YoY Change -47.5%
Interest Expense -$500.0K -$2.300M
YoY Change -23.33%
% of Operating Profit
Other Income/Expense, Net
YoY Change
Pretax Income $5.200M $7.800M -$74.50M
YoY Change -106.98% -105.3% -130.25%
Income Tax -$2.500M -$7.800M -$10.20M
% Of Pretax Income -48.08% -100.0%
Net Earnings $22.50M $593.1M -$38.90M
YoY Change -157.84% 45.01% -104.61%
Net Earnings / Revenue 19.74% 158.67%
Basic Earnings Per Share $6.00 $146.10 -$8.52
Diluted Earnings Per Share $6.00 $146.10 -$8.52
COMMON SHARES
Basic Shares Outstanding 3.750M shares 4.240M shares 4.565M shares
Diluted Shares Outstanding 4.240M shares

Balance Sheet

Concept 2017 Q4 2017 2016 Q4
SHORT-TERM ASSETS
Cash & Short-Term Investments
YoY Change
Cash & Equivalents $97.10M $80.20M
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 $25.90M $25.90M
YoY Change 0.0% 39.25%
Intangibles $36.20M $19.30M
YoY Change 87.56% -38.34%
Long-Term Investments $3.381B $3.381B $2.714B
YoY Change 24.58% 24.58% -36.46%
Other Assets $3.000M $3.000M $3.606B
YoY Change -99.92% -99.92% -26.36%
Total Long-Term Assets
YoY Change
TOTAL ASSETS
Total Short-Term Assets
Total Long-Term Assets
Total Assets $3.659B $3.659B $6.520B
YoY Change -43.88% -43.88% -36.59%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable
YoY Change
Accrued Expenses $81.00M $81.00M $96.00M
YoY Change -15.63% -15.63% -31.91%
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 $113.0M $113.0M $109.0M
YoY Change 3.67% 3.67% -22.7%
LONG-TERM LIABILITIES
Long-Term Debt $24.00M $24.00M $13.00M
YoY Change 84.62% 84.62% -96.15%
Other Long-Term Liabilities $25.00M $25.00M $2.600B
YoY Change -99.04% -99.04% -21.16%
Total Long-Term Liabilities $49.00M $49.00M $2.613B
YoY Change -98.12% -98.12% -28.14%
TOTAL LIABILITIES
Total Short-Term Liabilities $113.0M $113.0M $109.0M
Total Long-Term Liabilities $49.00M $49.00M $2.613B
Total Liabilities $298.4M $167.0M $2.804B
YoY Change -89.36% -94.32% -52.59%
SHAREHOLDERS EQUITY
Retained Earnings $2.823B $2.777B
YoY Change 1.68% -9.99%
Common Stock $670.6M $810.7M
YoY Change -17.28% -17.12%
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity $3.493B $3.493B $3.583B
YoY Change
Total Liabilities & Shareholders Equity $3.659B $3.659B $6.520B
YoY Change -43.88% -43.88% -36.59%

Cashflow Statement

Concept 2017 Q4 2017 2016 Q4
OPERATING ACTIVITIES
Net Income $22.50M $593.1M -$38.90M
YoY Change -157.84% 45.01% -104.61%
Depreciation, Depletion And Amortization $5.900M $22.40M $6.200M
YoY Change -4.84% 9.8% -122.63%
Cash From Operating Activities $2.000M $94.60M -$18.50M
YoY Change -110.81% -160.99% -87.93%
INVESTING ACTIVITIES
Capital Expenditures
YoY Change
Acquisitions
YoY Change
Other Investing Activities $20.80M $14.70M -$66.30M
YoY Change -131.37% -406.25% -230.26%
Cash From Investing Activities $20.80M $718.5M -$65.40M
YoY Change -131.8% -43.73% -228.49%
FINANCING ACTIVITIES
Cash Dividend Paid $4.600M
YoY Change -14.81%
Common Stock Issuance & Retirement, Net $714.6M
YoY Change -18.57%
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities 25.70M -$699.0M -19.70M
YoY Change -230.46% -26.3% -146.46%
NET CHANGE
Cash From Operating Activities 2.000M $94.60M -18.50M
Cash From Investing Activities 20.80M $718.5M -65.40M
Cash From Financing Activities 25.70M -$699.0M -19.70M
Net Change In Cash 48.50M $16.00M -103.6M
YoY Change -146.81% -90.77% 72.67%
FREE CASH FLOW
Cash From Operating Activities $2.000M $94.60M -$18.50M
Capital Expenditures
Free Cash Flow
YoY Change

Facts In Submission

Frame Concept Type Concept / XBRL Key Value Unit
CY2017 dei Amendment Flag
AmendmentFlag
false
CY2017 dei Current Fiscal Year End Date
CurrentFiscalYearEndDate
--12-31
CY2017 dei Document Fiscal Period Focus
DocumentFiscalPeriodFocus
FY
CY2017 dei Document Fiscal Year Focus
DocumentFiscalYearFocus
2017
CY2017 dei Document Period End Date
DocumentPeriodEndDate
2017-12-31
CY2017 dei Document Type
DocumentType
10-K
CY2017 dei Entity Central Index Key
EntityCentralIndexKey
0000776867
CY2018Q1 dei Entity Common Stock Shares Outstanding
EntityCommonStockSharesOutstanding
3742408 shares
CY2017 dei Entity Current Reporting Status
EntityCurrentReportingStatus
Yes
CY2017 dei Entity Filer Category
EntityFilerCategory
Large Accelerated Filer
CY2017Q2 dei Entity Public Float
EntityPublicFloat
3767702603 USD
CY2017 dei Entity Registrant Name
EntityRegistrantName
WHITE MOUNTAINS INSURANCE GROUP LTD
CY2016 us-gaap Advertising Revenue
AdvertisingRevenue
118300000 USD
CY2016Q4 us-gaap Assets Of Disposal Group Including Discontinued Operation
AssetsOfDisposalGroupIncludingDiscontinuedOperation
3606400000 USD
CY2017 dei Entity Voluntary Filers
EntityVoluntaryFilers
No
CY2017 dei Entity Well Known Seasoned Issuer
EntityWellKnownSeasonedIssuer
Yes
CY2017Q4 invest Derivative Notional Amount
DerivativeNotionalAmount
206300000 USD
CY2016 us-gaap Accretion Amortization Of Discounts And Premiums Investments
AccretionAmortizationOfDiscountsAndPremiumsInvestments
6100000 USD
CY2017 us-gaap Accretion Amortization Of Discounts And Premiums Investments
AccretionAmortizationOfDiscountsAndPremiumsInvestments
9100000 USD
CY2016Q4 us-gaap Accumulated Other Comprehensive Income Loss Foreign Currency Translation Adjustment Net Of Tax
AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentNetOfTax
-1400000 USD
CY2017Q4 us-gaap Accumulated Other Comprehensive Income Loss Foreign Currency Translation Adjustment Net Of Tax
AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentNetOfTax
-1300000 USD
CY2016Q4 us-gaap Accumulated Other Comprehensive Income Loss Net Of Tax
AccumulatedOtherComprehensiveIncomeLossNetOfTax
-4600000 USD
CY2016Q4 us-gaap Additional Paid In Capital Common Stock
AdditionalPaidInCapitalCommonStock
806100000 USD
CY2017Q4 us-gaap Additional Paid In Capital Common Stock
AdditionalPaidInCapitalCommonStock
666800000 USD
CY2015 us-gaap Advertising Revenue
AdvertisingRevenue
107400000 USD
CY2017 us-gaap Advertising Revenue
AdvertisingRevenue
167000000 USD
CY2015 us-gaap Amortization Of Intangible Assets
AmortizationOfIntangibleAssets
8400000 USD
CY2016 us-gaap Amortization Of Intangible Assets
AmortizationOfIntangibleAssets
10500000 USD
CY2017 us-gaap Amortization Of Intangible Assets
AmortizationOfIntangibleAssets
10700000 USD
CY2016Q4 us-gaap Assets
Assets
6520200000 USD
CY2017Q4 us-gaap Assets
Assets
3659200000 USD
CY2016Q4 us-gaap Assets Held By Insurance Regulators
AssetsHeldByInsuranceRegulators
6000000 USD
CY2017Q4 us-gaap Assets Held By Insurance Regulators
AssetsHeldByInsuranceRegulators
6000000 USD
CY2015 us-gaap Benefits Losses And Expenses
BenefitsLossesAndExpenses
310800000 USD
CY2016Q1 us-gaap Benefits Losses And Expenses
BenefitsLossesAndExpenses
91300000 USD
CY2016Q2 us-gaap Benefits Losses And Expenses
BenefitsLossesAndExpenses
74100000 USD
CY2016Q3 us-gaap Benefits Losses And Expenses
BenefitsLossesAndExpenses
70600000 USD
CY2016Q4 us-gaap Benefits Losses And Expenses
BenefitsLossesAndExpenses
69000000 USD
CY2016 us-gaap Benefits Losses And Expenses
BenefitsLossesAndExpenses
305000000 USD
CY2017Q1 us-gaap Benefits Losses And Expenses
BenefitsLossesAndExpenses
92400000 USD
CY2017Q2 us-gaap Benefits Losses And Expenses
BenefitsLossesAndExpenses
85700000 USD
CY2017Q3 us-gaap Benefits Losses And Expenses
BenefitsLossesAndExpenses
79100000 USD
CY2017 us-gaap Benefits Losses And Expenses
BenefitsLossesAndExpenses
366000000 USD
CY2017Q4 us-gaap Capital Leases Future Minimum Payments Due Current
CapitalLeasesFutureMinimumPaymentsDueCurrent
2700000 USD
CY2017Q4 us-gaap Capital Leases Future Minimum Payments Due In Four Years
CapitalLeasesFutureMinimumPaymentsDueInFourYears
9100000 USD
CY2017Q4 us-gaap Capital Leases Future Minimum Payments Due In Three Years
CapitalLeasesFutureMinimumPaymentsDueInThreeYears
2200000 USD
CY2017Q4 us-gaap Capital Leases Future Minimum Payments Due In Two Years
CapitalLeasesFutureMinimumPaymentsDueInTwoYears
2400000 USD
CY2014Q4 us-gaap Cash And Cash Equivalents At Carrying Value
CashAndCashEquivalentsAtCarryingValue
145700000 USD
CY2015Q4 us-gaap Cash And Cash Equivalents At Carrying Value
CashAndCashEquivalentsAtCarryingValue
72000000 USD
CY2016Q4 us-gaap Cash And Cash Equivalents At Carrying Value
CashAndCashEquivalentsAtCarryingValue
80200000 USD
CY2017Q4 us-gaap Cash And Cash Equivalents At Carrying Value
CashAndCashEquivalentsAtCarryingValue
97100000 USD
CY2015 us-gaap Cash And Cash Equivalents Period Increase Decrease
CashAndCashEquivalentsPeriodIncreaseDecrease
-74800000 USD
CY2016 us-gaap Cash And Cash Equivalents Period Increase Decrease
CashAndCashEquivalentsPeriodIncreaseDecrease
7900000 USD
CY2017 us-gaap Cash And Cash Equivalents Period Increase Decrease
CashAndCashEquivalentsPeriodIncreaseDecrease
16000000 USD
CY2015 us-gaap Cash Provided By Used In Financing Activities Discontinued Operations
CashProvidedByUsedInFinancingActivitiesDiscontinuedOperations
-100700000 USD
CY2016 us-gaap Cash Provided By Used In Financing Activities Discontinued Operations
CashProvidedByUsedInFinancingActivitiesDiscontinuedOperations
-93800000 USD
CY2017 us-gaap Cash Provided By Used In Financing Activities Discontinued Operations
CashProvidedByUsedInFinancingActivitiesDiscontinuedOperations
-61900000 USD
CY2015 us-gaap Cash Provided By Used In Investing Activities Discontinued Operations
CashProvidedByUsedInInvestingActivitiesDiscontinuedOperations
-100500000 USD
CY2016 us-gaap Cash Provided By Used In Investing Activities Discontinued Operations
CashProvidedByUsedInInvestingActivitiesDiscontinuedOperations
241400000 USD
CY2017 us-gaap Cash Provided By Used In Investing Activities Discontinued Operations
CashProvidedByUsedInInvestingActivitiesDiscontinuedOperations
3000000 USD
CY2015 us-gaap Cash Provided By Used In Operating Activities Discontinued Operations
CashProvidedByUsedInOperatingActivitiesDiscontinuedOperations
248400000 USD
CY2016 us-gaap Cash Provided By Used In Operating Activities Discontinued Operations
CashProvidedByUsedInOperatingActivitiesDiscontinuedOperations
23600000 USD
CY2017 us-gaap Cash Provided By Used In Operating Activities Discontinued Operations
CashProvidedByUsedInOperatingActivitiesDiscontinuedOperations
157000000 USD
CY2015 us-gaap Common Stock Dividends Per Share Cash Paid
CommonStockDividendsPerShareCashPaid
1.00
CY2016 us-gaap Common Stock Dividends Per Share Cash Paid
CommonStockDividendsPerShareCashPaid
1.00
CY2017 us-gaap Common Stock Dividends Per Share Cash Paid
CommonStockDividendsPerShareCashPaid
1.00
CY2015 us-gaap Common Stock Dividends Per Share Declared
CommonStockDividendsPerShareDeclared
1.00
CY2015 us-gaap Common Stock Dividends Per Share Declared
CommonStockDividendsPerShareDeclared
1
CY2016 us-gaap Common Stock Dividends Per Share Declared
CommonStockDividendsPerShareDeclared
1.00
CY2016 us-gaap Common Stock Dividends Per Share Declared
CommonStockDividendsPerShareDeclared
1
CY2017 us-gaap Common Stock Dividends Per Share Declared
CommonStockDividendsPerShareDeclared
1
CY2017 us-gaap Common Stock Dividends Per Share Declared
CommonStockDividendsPerShareDeclared
1.00
CY2016Q4 us-gaap Common Stock Par Or Stated Value Per Share
CommonStockParOrStatedValuePerShare
1.00
CY2017Q4 us-gaap Common Stock Par Or Stated Value Per Share
CommonStockParOrStatedValuePerShare
1.00
CY2016Q4 us-gaap Common Stock Shares Authorized
CommonStockSharesAuthorized
50000000 shares
CY2017Q4 us-gaap Common Stock Shares Authorized
CommonStockSharesAuthorized
50000000 shares
CY2016Q4 us-gaap Common Stock Shares Issued
CommonStockSharesIssued
4563814 shares
CY2017Q4 us-gaap Common Stock Shares Issued
CommonStockSharesIssued
3750171 shares
CY2016Q4 us-gaap Common Stock Shares Outstanding
CommonStockSharesOutstanding
4563814 shares
CY2017Q4 us-gaap Common Stock Shares Outstanding
CommonStockSharesOutstanding
3750171 shares
CY2016Q4 us-gaap Common Stock Value
CommonStockValue
4600000 USD
CY2017Q4 us-gaap Common Stock Value
CommonStockValue
3800000 USD
CY2015 us-gaap Comprehensive Income Net Of Tax
ComprehensiveIncomeNetOfTax
187400000 USD
CY2016 us-gaap Comprehensive Income Net Of Tax
ComprehensiveIncomeNetOfTax
547100000 USD
CY2017 us-gaap Comprehensive Income Net Of Tax
ComprehensiveIncomeNetOfTax
630500000 USD
CY2015 us-gaap Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest
ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest
0 USD
CY2016 us-gaap Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest
ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest
300000 USD
CY2017 us-gaap Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest
ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest
200000 USD
CY2015 us-gaap Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest
ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest
187400000 USD
CY2016 us-gaap Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest
ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest
547400000 USD
CY2017 us-gaap Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest
ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest
630700000 USD
CY2015 us-gaap Cost Of Goods Sold
CostOfGoodsSold
93600000 USD
CY2016 us-gaap Cost Of Goods Sold
CostOfGoodsSold
102000000 USD
CY2017 us-gaap Cost Of Goods Sold
CostOfGoodsSold
139400000 USD
CY2015 us-gaap Current Federal Tax Expense Benefit
CurrentFederalTaxExpenseBenefit
0 USD
CY2016 us-gaap Current Federal Tax Expense Benefit
CurrentFederalTaxExpenseBenefit
-21400000 USD
CY2017 us-gaap Current Federal Tax Expense Benefit
CurrentFederalTaxExpenseBenefit
300000 USD
CY2015 us-gaap Current Foreign Tax Expense Benefit
CurrentForeignTaxExpenseBenefit
800000 USD
CY2016 us-gaap Current Foreign Tax Expense Benefit
CurrentForeignTaxExpenseBenefit
300000 USD
CY2017 us-gaap Current Foreign Tax Expense Benefit
CurrentForeignTaxExpenseBenefit
2000000 USD
CY2015 us-gaap Current Income Tax Expense Benefit
CurrentIncomeTaxExpenseBenefit
1400000 USD
CY2016 us-gaap Current Income Tax Expense Benefit
CurrentIncomeTaxExpenseBenefit
-20400000 USD
CY2017 us-gaap Current Income Tax Expense Benefit
CurrentIncomeTaxExpenseBenefit
3600000 USD
CY2015 us-gaap Current State And Local Tax Expense Benefit
CurrentStateAndLocalTaxExpenseBenefit
600000 USD
CY2016 us-gaap Current State And Local Tax Expense Benefit
CurrentStateAndLocalTaxExpenseBenefit
700000 USD
CY2017 us-gaap Current State And Local Tax Expense Benefit
CurrentStateAndLocalTaxExpenseBenefit
1300000 USD
CY2015 us-gaap Deferred Federal Income Tax Expense Benefit
DeferredFederalIncomeTaxExpenseBenefit
11300000 USD
CY2016 us-gaap Deferred Federal Income Tax Expense Benefit
DeferredFederalIncomeTaxExpenseBenefit
-12500000 USD
CY2017 us-gaap Deferred Federal Income Tax Expense Benefit
DeferredFederalIncomeTaxExpenseBenefit
-11400000 USD
CY2015 us-gaap Deferred Income Tax Expense Benefit
DeferredIncomeTaxExpenseBenefit
11300000 USD
CY2016 us-gaap Deferred Income Tax Expense Benefit
DeferredIncomeTaxExpenseBenefit
-12500000 USD
CY2017 us-gaap Deferred Income Tax Expense Benefit
DeferredIncomeTaxExpenseBenefit
-11400000 USD
CY2016Q4 us-gaap Deferred Tax Assets Gross
DeferredTaxAssetsGross
178900000 USD
CY2017Q4 us-gaap Deferred Tax Assets Gross
DeferredTaxAssetsGross
137100000 USD
CY2016Q4 us-gaap Deferred Tax Assets Investments
DeferredTaxAssetsInvestments
5600000 USD
CY2017Q4 us-gaap Deferred Tax Assets Investments
DeferredTaxAssetsInvestments
4900000 USD
CY2016Q4 us-gaap Deferred Tax Assets Liabilities Net
DeferredTaxAssetsLiabilitiesNet
0 USD
CY2017Q4 us-gaap Deferred Tax Assets Liabilities Net
DeferredTaxAssetsLiabilitiesNet
1300000 USD
CY2016Q4 us-gaap Deferred Tax Assets Net
DeferredTaxAssetsNet
32700000 USD
CY2017Q4 us-gaap Deferred Tax Assets Net
DeferredTaxAssetsNet
27500000 USD
CY2016Q4 us-gaap Deferred Tax Assets Operating Loss Carryforwards Domestic
DeferredTaxAssetsOperatingLossCarryforwardsDomestic
104300000 USD
CY2017Q4 us-gaap Deferred Tax Assets Operating Loss Carryforwards Domestic
DeferredTaxAssetsOperatingLossCarryforwardsDomestic
73000000 USD
CY2016Q4 us-gaap Deferred Tax Assets Operating Loss Carryforwards Foreign
DeferredTaxAssetsOperatingLossCarryforwardsForeign
34000000 USD
CY2017Q4 us-gaap Deferred Tax Assets Operating Loss Carryforwards Foreign
DeferredTaxAssetsOperatingLossCarryforwardsForeign
33900000 USD
CY2016Q4 us-gaap Deferred Tax Assets Other
DeferredTaxAssetsOther
8500000 USD
CY2017Q4 us-gaap Deferred Tax Assets Other
DeferredTaxAssetsOther
4900000 USD
CY2017Q4 us-gaap Deferred Tax Assets Tax Credit Carryforwards Alternative Minimum Tax
DeferredTaxAssetsTaxCreditCarryforwardsAlternativeMinimumTax
1300000 USD
CY2016Q4 us-gaap Deferred Tax Assets Tax Deferred Expense Compensation And Benefits
DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefits
26500000 USD
CY2017Q4 us-gaap Deferred Tax Assets Tax Deferred Expense Compensation And Benefits
DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefits
20400000 USD
CY2016Q4 us-gaap Deferred Tax Assets Valuation Allowance
DeferredTaxAssetsValuationAllowance
146200000 USD
CY2017Q4 us-gaap Deferred Tax Assets Valuation Allowance
DeferredTaxAssetsValuationAllowance
109600000 USD
CY2016Q4 us-gaap Deferred Tax Liabilities
DeferredTaxLiabilities
32700000 USD
CY2017Q4 us-gaap Deferred Tax Liabilities
DeferredTaxLiabilities
26200000 USD
CY2016Q4 us-gaap Deferred Tax Liabilities Other
DeferredTaxLiabilitiesOther
2700000 USD
CY2017Q4 us-gaap Deferred Tax Liabilities Other
DeferredTaxLiabilitiesOther
2100000 USD
CY2015 us-gaap Depreciation Depletion And Amortization
DepreciationDepletionAndAmortization
3800000 USD
CY2016 us-gaap Depreciation Depletion And Amortization
DepreciationDepletionAndAmortization
20400000 USD
CY2017 us-gaap Depreciation Depletion And Amortization
DepreciationDepletionAndAmortization
22400000 USD
CY2015 us-gaap Discontinued Operation Gain Loss On Disposal Of Discontinued Operation Net Of Tax
DiscontinuedOperationGainLossOnDisposalOfDiscontinuedOperationNetOfTax
18200000 USD
CY2016 us-gaap Discontinued Operation Gain Loss On Disposal Of Discontinued Operation Net Of Tax
DiscontinuedOperationGainLossOnDisposalOfDiscontinuedOperationNetOfTax
415100000 USD
CY2017 us-gaap Discontinued Operation Gain Loss On Disposal Of Discontinued Operation Net Of Tax
DiscontinuedOperationGainLossOnDisposalOfDiscontinuedOperationNetOfTax
557000000 USD
CY2014Q4 us-gaap Disposal Group Including Discontinued Operation Cash
DisposalGroupIncludingDiscontinuedOperationCash
203800000 USD
CY2015Q4 us-gaap Disposal Group Including Discontinued Operation Cash
DisposalGroupIncludingDiscontinuedOperationCash
245400000 USD
CY2016Q4 us-gaap Disposal Group Including Discontinued Operation Cash
DisposalGroupIncludingDiscontinuedOperationCash
70500000 USD
CY2017Q4 us-gaap Disposal Group Including Discontinued Operation Cash
DisposalGroupIncludingDiscontinuedOperationCash
0 USD
CY2015 us-gaap Earnings Per Share Basic
EarningsPerShareBasic
50.20
CY2016Q1 us-gaap Earnings Per Share Basic
EarningsPerShareBasic
1.70
CY2016Q2 us-gaap Earnings Per Share Basic
EarningsPerShareBasic
66.80
CY2016Q3 us-gaap Earnings Per Share Basic
EarningsPerShareBasic
18.65
CY2016Q4 us-gaap Earnings Per Share Basic
EarningsPerShareBasic
-8.52
CY2016 us-gaap Earnings Per Share Basic
EarningsPerShareBasic
80.11
CY2017Q1 us-gaap Earnings Per Share Basic
EarningsPerShareBasic
6.36
CY2017Q2 us-gaap Earnings Per Share Basic
EarningsPerShareBasic
2.97
CY2017Q3 us-gaap Earnings Per Share Basic
EarningsPerShareBasic
130.81
CY2017Q4 us-gaap Earnings Per Share Basic
EarningsPerShareBasic
6.00
CY2017 us-gaap Earnings Per Share Basic
EarningsPerShareBasic
146.06
CY2015 us-gaap Earnings Per Share Basic And Diluted
EarningsPerShareBasicAndDiluted
27.22
CY2016 us-gaap Earnings Per Share Basic And Diluted
EarningsPerShareBasicAndDiluted
-24.26
CY2017 us-gaap Earnings Per Share Basic And Diluted
EarningsPerShareBasicAndDiluted
11.56
CY2015 us-gaap Earnings Per Share Diluted
EarningsPerShareDiluted
50.20
CY2016Q1 us-gaap Earnings Per Share Diluted
EarningsPerShareDiluted
1.70
CY2016Q2 us-gaap Earnings Per Share Diluted
EarningsPerShareDiluted
66.64
CY2016Q3 us-gaap Earnings Per Share Diluted
EarningsPerShareDiluted
18.61
CY2016Q4 us-gaap Earnings Per Share Diluted
EarningsPerShareDiluted
-8.52
CY2016 us-gaap Earnings Per Share Diluted
EarningsPerShareDiluted
80.06
CY2017Q1 us-gaap Earnings Per Share Diluted
EarningsPerShareDiluted
6.36
CY2017Q2 us-gaap Earnings Per Share Diluted
EarningsPerShareDiluted
2.97
CY2017Q3 us-gaap Earnings Per Share Diluted
EarningsPerShareDiluted
130.81
CY2017Q4 us-gaap Earnings Per Share Diluted
EarningsPerShareDiluted
6.00
CY2017 us-gaap Earnings Per Share Diluted
EarningsPerShareDiluted
146.06
CY2015 us-gaap Earnings Per Share Diluted Undistributed
EarningsPerShareDilutedUndistributed
26.22
CY2016 us-gaap Earnings Per Share Diluted Undistributed
EarningsPerShareDilutedUndistributed
-25.26
CY2017 us-gaap Earnings Per Share Diluted Undistributed
EarningsPerShareDilutedUndistributed
10.56
CY2015 us-gaap Effect Of Exchange Rate On Cash Discontinued Operations
EffectOfExchangeRateOnCashDiscontinuedOperations
-4500000 USD
CY2016 us-gaap Effect Of Exchange Rate On Cash Discontinued Operations
EffectOfExchangeRateOnCashDiscontinuedOperations
0 USD
CY2017 us-gaap Effect Of Exchange Rate On Cash Discontinued Operations
EffectOfExchangeRateOnCashDiscontinuedOperations
0 USD
CY2017Q4 us-gaap Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate
EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate
0.35
CY2017Q4 us-gaap Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate
EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate
0.21
CY2017 us-gaap Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate
EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate
0.35
CY2016 us-gaap Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Purchases
FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases
4728300000 USD
CY2017 us-gaap Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Purchases
FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases
3332500000 USD
CY2016 us-gaap Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Sales
FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSales
3692200000 USD
CY2017 us-gaap Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Sales
FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSales
2814600000 USD
CY2016Q4 us-gaap Financial Guarantee Insurance Contracts Future Expected Premium Revenue To Be Recognized
FinancialGuaranteeInsuranceContractsFutureExpectedPremiumRevenueToBeRecognized
82900000 USD
CY2017Q4 us-gaap Financial Guarantee Insurance Contracts Future Expected Premium Revenue To Be Recognized
FinancialGuaranteeInsuranceContractsFutureExpectedPremiumRevenueToBeRecognized
136800000 USD
CY2016Q4 us-gaap Finite Lived Intangible Assets Accumulated Amortization
FiniteLivedIntangibleAssetsAccumulatedAmortization
24200000 USD
CY2017Q4 us-gaap Finite Lived Intangible Assets Accumulated Amortization
FiniteLivedIntangibleAssetsAccumulatedAmortization
34800000 USD
CY2017Q4 us-gaap Finite Lived Intangible Assets Amortization Expense Next Twelve Months
FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths
10200000 USD
CY2017Q4 us-gaap Finite Lived Intangible Assets Amortization Expense Year Five
FiniteLivedIntangibleAssetsAmortizationExpenseYearFive
2800000 USD
CY2017Q4 us-gaap Finite Lived Intangible Assets Amortization Expense Year Four
FiniteLivedIntangibleAssetsAmortizationExpenseYearFour
2900000 USD
CY2017Q4 us-gaap Finite Lived Intangible Assets Amortization Expense Year Three
FiniteLivedIntangibleAssetsAmortizationExpenseYearThree
3200000 USD
CY2017Q4 us-gaap Finite Lived Intangible Assets Amortization Expense Year Two
FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo
5000000 USD
CY2017Q4 us-gaap Finite Lived Intangible Assets Net
FiniteLivedIntangibleAssetsNet
24100000 USD
CY2016 us-gaap Finitelived Intangible Assets Acquired1
FinitelivedIntangibleAssetsAcquired1
7600000 USD
CY2015 us-gaap Foreign Currency Transaction Gain Loss Realized
ForeignCurrencyTransactionGainLossRealized
0 USD
CY2016 us-gaap Foreign Currency Transaction Gain Loss Realized
ForeignCurrencyTransactionGainLossRealized
300000 USD
CY2017 us-gaap Foreign Currency Transaction Gain Loss Realized
ForeignCurrencyTransactionGainLossRealized
-11200000 USD
CY2015 us-gaap Foreign Currency Transaction Gain Loss Unrealized
ForeignCurrencyTransactionGainLossUnrealized
-5000000 USD
CY2016 us-gaap Foreign Currency Transaction Gain Loss Unrealized
ForeignCurrencyTransactionGainLossUnrealized
-2700000 USD
CY2017 us-gaap Foreign Currency Transaction Gain Loss Unrealized
ForeignCurrencyTransactionGainLossUnrealized
11700000 USD
CY2015 us-gaap Gain Loss On Investments
GainLossOnInvestments
260500000 USD
CY2016 us-gaap Gain Loss On Investments
GainLossOnInvestments
-27400000 USD
CY2017 us-gaap Gain Loss On Investments
GainLossOnInvestments
133300000 USD
CY2015 us-gaap Gain Or Loss On Sale Of Stock In Subsidiary
GainOrLossOnSaleOfStockInSubsidiary
19800000 USD
CY2016 us-gaap Gain Or Loss On Sale Of Stock In Subsidiary
GainOrLossOnSaleOfStockInSubsidiary
0 USD
CY2017 us-gaap Gain Or Loss On Sale Of Stock In Subsidiary
GainOrLossOnSaleOfStockInSubsidiary
0 USD
CY2015 us-gaap General And Administrative Expense
GeneralAndAdministrativeExpense
200700000 USD
CY2016 us-gaap General And Administrative Expense
GeneralAndAdministrativeExpense
186000000 USD
CY2017 us-gaap General And Administrative Expense
GeneralAndAdministrativeExpense
218700000 USD
CY2015Q4 us-gaap Goodwill
Goodwill
18600000 USD
CY2016Q4 us-gaap Goodwill
Goodwill
25900000 USD
CY2017Q4 us-gaap Goodwill
Goodwill
25900000 USD
CY2016 us-gaap Goodwill Written Off Related To Sale Of Business Unit
GoodwillWrittenOffRelatedToSaleOfBusinessUnit
300000 USD
CY2015 us-gaap Income Loss From Continuing Operations
IncomeLossFromContinuingOperations
160100000 USD
CY2016 us-gaap Income Loss From Continuing Operations
IncomeLossFromContinuingOperations
-121600000 USD
CY2017 us-gaap Income Loss From Continuing Operations
IncomeLossFromContinuingOperations
49700000 USD
CY2015 us-gaap Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments
IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments
129200000 USD
CY2016Q1 us-gaap Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments
IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments
-33300000 USD
CY2016Q2 us-gaap Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments
IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments
-25700000 USD
CY2016Q3 us-gaap Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments
IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments
-13800000 USD
CY2016Q4 us-gaap Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments
IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments
-74500000 USD
CY2016 us-gaap Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments
IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments
-147300000 USD
CY2017Q1 us-gaap Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments
IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments
-3600000 USD
CY2017Q2 us-gaap Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments
IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments
-2200000 USD
CY2017Q3 us-gaap Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments
IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments
8400000 USD
CY2017Q4 us-gaap Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments
IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments
5200000 USD
CY2017 us-gaap Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments
IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments
7800000 USD
CY2015 us-gaap Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest
IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest
116500000 USD
CY2016Q1 us-gaap Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest
IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest
-31700000 USD
CY2016Q2 us-gaap Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest
IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest
-21700000 USD
CY2016Q3 us-gaap Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest
IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest
3300000 USD
CY2016Q4 us-gaap Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest
IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest
-64300000 USD
CY2016 us-gaap Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest
IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest
-114400000 USD
CY2017Q1 us-gaap Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest
IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest
-3300000 USD
CY2017Q2 us-gaap Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest
IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest
-1200000 USD
CY2017Q3 us-gaap Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest
IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest
12400000 USD
CY2017Q4 us-gaap Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest
IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest
7700000 USD
CY2017 us-gaap Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest
IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest
15600000 USD
CY2015 us-gaap Income Loss From Continuing Operations Per Basic And Diluted Share
IncomeLossFromContinuingOperationsPerBasicAndDilutedShare
27.22
CY2016 us-gaap Income Loss From Continuing Operations Per Basic And Diluted Share
IncomeLossFromContinuingOperationsPerBasicAndDilutedShare
-24.26
CY2015 us-gaap Income Loss From Continuing Operations Per Basic Share
IncomeLossFromContinuingOperationsPerBasicShare
27.22
CY2016Q1 us-gaap Income Loss From Continuing Operations Per Basic Share
IncomeLossFromContinuingOperationsPerBasicShare
-6.85
CY2016Q2 us-gaap Income Loss From Continuing Operations Per Basic Share
IncomeLossFromContinuingOperationsPerBasicShare
-8.47
CY2016Q3 us-gaap Income Loss From Continuing Operations Per Basic Share
IncomeLossFromContinuingOperationsPerBasicShare
1.31
CY2016Q4 us-gaap Income Loss From Continuing Operations Per Basic Share
IncomeLossFromContinuingOperationsPerBasicShare
-10.27
CY2016 us-gaap Income Loss From Continuing Operations Per Basic Share
IncomeLossFromContinuingOperationsPerBasicShare
-24.26
CY2017Q1 us-gaap Income Loss From Continuing Operations Per Basic Share
IncomeLossFromContinuingOperationsPerBasicShare
-0.50
CY2017Q2 us-gaap Income Loss From Continuing Operations Per Basic Share
IncomeLossFromContinuingOperationsPerBasicShare
2.36
CY2017Q3 us-gaap Income Loss From Continuing Operations Per Basic Share
IncomeLossFromContinuingOperationsPerBasicShare
5.36
CY2017Q4 us-gaap Income Loss From Continuing Operations Per Basic Share
IncomeLossFromContinuingOperationsPerBasicShare
4.85
CY2017 us-gaap Income Loss From Continuing Operations Per Basic Share
IncomeLossFromContinuingOperationsPerBasicShare
11.56
CY2015 us-gaap Income Loss From Continuing Operations Per Diluted Share
IncomeLossFromContinuingOperationsPerDilutedShare
27.22
CY2016Q1 us-gaap Income Loss From Continuing Operations Per Diluted Share
IncomeLossFromContinuingOperationsPerDilutedShare
-6.85
CY2016Q2 us-gaap Income Loss From Continuing Operations Per Diluted Share
IncomeLossFromContinuingOperationsPerDilutedShare
-8.47
CY2016Q3 us-gaap Income Loss From Continuing Operations Per Diluted Share
IncomeLossFromContinuingOperationsPerDilutedShare
1.31
CY2016Q4 us-gaap Income Loss From Continuing Operations Per Diluted Share
IncomeLossFromContinuingOperationsPerDilutedShare
-10.27
CY2016 us-gaap Income Loss From Continuing Operations Per Diluted Share
IncomeLossFromContinuingOperationsPerDilutedShare
-24.26
CY2017Q1 us-gaap Income Loss From Continuing Operations Per Diluted Share
IncomeLossFromContinuingOperationsPerDilutedShare
-0.50
CY2017Q2 us-gaap Income Loss From Continuing Operations Per Diluted Share
IncomeLossFromContinuingOperationsPerDilutedShare
2.36
CY2017Q3 us-gaap Income Loss From Continuing Operations Per Diluted Share
IncomeLossFromContinuingOperationsPerDilutedShare
5.36
CY2017Q4 us-gaap Income Loss From Continuing Operations Per Diluted Share
IncomeLossFromContinuingOperationsPerDilutedShare
4.85
CY2017 us-gaap Income Loss From Continuing Operations Per Diluted Share
IncomeLossFromContinuingOperationsPerDilutedShare
11.56
CY2015 us-gaap Income Loss From Discontinued Operations Net Of Tax
IncomeLossFromDiscontinuedOperationsNetOfTax
116900000 USD
CY2016Q1 us-gaap Income Loss From Discontinued Operations Net Of Tax
IncomeLossFromDiscontinuedOperationsNetOfTax
47400000 USD
CY2016Q2 us-gaap Income Loss From Discontinued Operations Net Of Tax
IncomeLossFromDiscontinuedOperationsNetOfTax
383600000 USD
CY2016Q3 us-gaap Income Loss From Discontinued Operations Net Of Tax
IncomeLossFromDiscontinuedOperationsNetOfTax
84400000 USD
CY2016Q4 us-gaap Income Loss From Discontinued Operations Net Of Tax
IncomeLossFromDiscontinuedOperationsNetOfTax
8000000 USD
CY2016 us-gaap Income Loss From Discontinued Operations Net Of Tax
IncomeLossFromDiscontinuedOperationsNetOfTax
108300000 USD
CY2017Q1 us-gaap Income Loss From Discontinued Operations Net Of Tax
IncomeLossFromDiscontinuedOperationsNetOfTax
31300000 USD
CY2017Q2 us-gaap Income Loss From Discontinued Operations Net Of Tax
IncomeLossFromDiscontinuedOperationsNetOfTax
2800000 USD
CY2017Q3 us-gaap Income Loss From Discontinued Operations Net Of Tax
IncomeLossFromDiscontinuedOperationsNetOfTax
539100000 USD
CY2017Q4 us-gaap Income Loss From Discontinued Operations Net Of Tax
IncomeLossFromDiscontinuedOperationsNetOfTax
4300000 USD
CY2017 us-gaap Income Loss From Discontinued Operations Net Of Tax
IncomeLossFromDiscontinuedOperationsNetOfTax
20500000 USD
CY2015 us-gaap Income Loss From Discontinued Operations Net Of Tax Attributable To Reporting Entity
IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity
135100000 USD
CY2016 us-gaap Income Loss From Discontinued Operations Net Of Tax Attributable To Reporting Entity
IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity
523400000 USD
CY2017 us-gaap Income Loss From Discontinued Operations Net Of Tax Attributable To Reporting Entity
IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity
577500000 USD
CY2015 us-gaap Income Loss From Discontinued Operations Net Of Tax Per Basic Share
IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare
22.98
CY2016Q1 us-gaap Income Loss From Discontinued Operations Net Of Tax Per Basic Share
IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare
8.55
CY2016Q2 us-gaap Income Loss From Discontinued Operations Net Of Tax Per Basic Share
IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare
75.27
CY2016Q3 us-gaap Income Loss From Discontinued Operations Net Of Tax Per Basic Share
IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare
17.34
CY2016Q4 us-gaap Income Loss From Discontinued Operations Net Of Tax Per Basic Share
IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare
1.75
CY2016 us-gaap Income Loss From Discontinued Operations Net Of Tax Per Basic Share
IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare
104.37
CY2017Q1 us-gaap Income Loss From Discontinued Operations Net Of Tax Per Basic Share
IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare
6.86
CY2017Q2 us-gaap Income Loss From Discontinued Operations Net Of Tax Per Basic Share
IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare
0.61
CY2017Q3 us-gaap Income Loss From Discontinued Operations Net Of Tax Per Basic Share
IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare
125.45
CY2017Q4 us-gaap Income Loss From Discontinued Operations Net Of Tax Per Basic Share
IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare
1.15
CY2017 us-gaap Income Loss From Discontinued Operations Net Of Tax Per Basic Share
IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare
134.50
CY2015 us-gaap Income Loss From Discontinued Operations Net Of Tax Per Diluted Share
IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare
22.98
CY2016Q1 us-gaap Income Loss From Discontinued Operations Net Of Tax Per Diluted Share
IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare
8.55
CY2016Q2 us-gaap Income Loss From Discontinued Operations Net Of Tax Per Diluted Share
IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare
75.11
CY2016Q3 us-gaap Income Loss From Discontinued Operations Net Of Tax Per Diluted Share
IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare
17.30
CY2016Q4 us-gaap Income Loss From Discontinued Operations Net Of Tax Per Diluted Share
IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare
1.75
CY2016 us-gaap Income Loss From Discontinued Operations Net Of Tax Per Diluted Share
IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare
104.32
CY2017Q1 us-gaap Income Loss From Discontinued Operations Net Of Tax Per Diluted Share
IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare
6.86
CY2017Q2 us-gaap Income Loss From Discontinued Operations Net Of Tax Per Diluted Share
IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare
0.61
CY2017Q3 us-gaap Income Loss From Discontinued Operations Net Of Tax Per Diluted Share
IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare
125.45
CY2017Q4 us-gaap Income Loss From Discontinued Operations Net Of Tax Per Diluted Share
IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare
1.15
CY2017 us-gaap Income Loss From Discontinued Operations Net Of Tax Per Diluted Share
IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare
134.50
CY2015 us-gaap Income Loss From Equity Method Investments
IncomeLossFromEquityMethodInvestments
25100000 USD
CY2016 us-gaap Income Loss From Equity Method Investments
IncomeLossFromEquityMethodInvestments
0 USD
CY2017 us-gaap Income Loss From Equity Method Investments
IncomeLossFromEquityMethodInvestments
0 USD
CY2015 us-gaap Income Tax Expense Benefit
IncomeTaxExpenseBenefit
12700000 USD
CY2016Q1 us-gaap Income Tax Expense Benefit
IncomeTaxExpenseBenefit
-1600000 USD
CY2016Q2 us-gaap Income Tax Expense Benefit
IncomeTaxExpenseBenefit
-4000000 USD
CY2016Q3 us-gaap Income Tax Expense Benefit
IncomeTaxExpenseBenefit
-17100000 USD
CY2016Q4 us-gaap Income Tax Expense Benefit
IncomeTaxExpenseBenefit
-10200000 USD
CY2016 us-gaap Income Tax Expense Benefit
IncomeTaxExpenseBenefit
-32900000 USD
CY2017Q1 us-gaap Income Tax Expense Benefit
IncomeTaxExpenseBenefit
-300000 USD
CY2017Q2 us-gaap Income Tax Expense Benefit
IncomeTaxExpenseBenefit
-1000000 USD
CY2017Q3 us-gaap Income Tax Expense Benefit
IncomeTaxExpenseBenefit
-4000000 USD
CY2017Q4 us-gaap Income Tax Expense Benefit
IncomeTaxExpenseBenefit
-2500000 USD
CY2017 us-gaap Income Tax Expense Benefit
IncomeTaxExpenseBenefit
-7800000 USD
CY2015 us-gaap Income Tax Reconciliation Change In Deferred Tax Assets Valuation Allowance
IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance
21800000 USD
CY2016 us-gaap Income Tax Reconciliation Change In Deferred Tax Assets Valuation Allowance
IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance
-6900000 USD
CY2017 us-gaap Income Tax Reconciliation Change In Deferred Tax Assets Valuation Allowance
IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance
-42600000 USD
CY2015 us-gaap Income Tax Reconciliation Change In Enacted Tax Rate
IncomeTaxReconciliationChangeInEnactedTaxRate
500000 USD
CY2016 us-gaap Income Tax Reconciliation Change In Enacted Tax Rate
IncomeTaxReconciliationChangeInEnactedTaxRate
3900000 USD
CY2017 us-gaap Income Tax Reconciliation Change In Enacted Tax Rate
IncomeTaxReconciliationChangeInEnactedTaxRate
44300000 USD
CY2015 us-gaap Income Tax Reconciliation Deductions Other
IncomeTaxReconciliationDeductionsOther
-500000 USD
CY2016 us-gaap Income Tax Reconciliation Deductions Other
IncomeTaxReconciliationDeductionsOther
-200000 USD
CY2017 us-gaap Income Tax Reconciliation Deductions Other
IncomeTaxReconciliationDeductionsOther
-2000000 USD
CY2015 us-gaap Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate
IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate
45200000 USD
CY2016 us-gaap Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate
IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate
-51600000 USD
CY2017 us-gaap Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate
IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate
2700000 USD
CY2015 us-gaap Income Tax Reconciliation Nondeductible Expense Share Based Compensation Cost
IncomeTaxReconciliationNondeductibleExpenseShareBasedCompensationCost
0 USD
CY2016 us-gaap Income Tax Reconciliation Nondeductible Expense Share Based Compensation Cost
IncomeTaxReconciliationNondeductibleExpenseShareBasedCompensationCost
0 USD
CY2017 us-gaap Income Tax Reconciliation Nondeductible Expense Share Based Compensation Cost
IncomeTaxReconciliationNondeductibleExpenseShareBasedCompensationCost
4100000 USD
CY2015 us-gaap Income Tax Reconciliation Other Adjustments
IncomeTaxReconciliationOtherAdjustments
1700000 USD
CY2016 us-gaap Income Tax Reconciliation Other Adjustments
IncomeTaxReconciliationOtherAdjustments
100000 USD
CY2017 us-gaap Income Tax Reconciliation Other Adjustments
IncomeTaxReconciliationOtherAdjustments
400000 USD
CY2015 us-gaap Income Tax Reconciliation Repatriation Of Foreign Earnings
IncomeTaxReconciliationRepatriationOfForeignEarnings
-58500000 USD
CY2016 us-gaap Income Tax Reconciliation Repatriation Of Foreign Earnings
IncomeTaxReconciliationRepatriationOfForeignEarnings
19200000 USD
CY2017 us-gaap Income Tax Reconciliation Repatriation Of Foreign Earnings
IncomeTaxReconciliationRepatriationOfForeignEarnings
-21500000 USD
CY2015 us-gaap Income Tax Reconciliation Tax Contingencies
IncomeTaxReconciliationTaxContingencies
0 USD
CY2016 us-gaap Income Tax Reconciliation Tax Contingencies
IncomeTaxReconciliationTaxContingencies
0 USD
CY2017 us-gaap Income Tax Reconciliation Tax Contingencies
IncomeTaxReconciliationTaxContingencies
300000 USD
CY2015 us-gaap Income Tax Reconciliation Tax Exempt Income
IncomeTaxReconciliationTaxExemptIncome
0 USD
CY2016 us-gaap Income Tax Reconciliation Tax Exempt Income
IncomeTaxReconciliationTaxExemptIncome
100000 USD
CY2017 us-gaap Income Tax Reconciliation Tax Exempt Income
IncomeTaxReconciliationTaxExemptIncome
500000 USD
CY2015 us-gaap Income Taxes Paid Net
IncomeTaxesPaidNet
700000 USD
CY2016 us-gaap Income Taxes Paid Net
IncomeTaxesPaidNet
300000 USD
CY2017 us-gaap Income Taxes Paid Net
IncomeTaxesPaidNet
2000000 USD
CY2015 us-gaap Increase Decrease In Deferred Policy Acquisition Costs
IncreaseDecreaseInDeferredPolicyAcquisitionCosts
3000000 USD
CY2016 us-gaap Increase Decrease In Deferred Policy Acquisition Costs
IncreaseDecreaseInDeferredPolicyAcquisitionCosts
3700000 USD
CY2017 us-gaap Increase Decrease In Deferred Policy Acquisition Costs
IncreaseDecreaseInDeferredPolicyAcquisitionCosts
4200000 USD
CY2015 us-gaap Increase Decrease In Other Operating Capital Net
IncreaseDecreaseInOtherOperatingCapitalNet
-29000000 USD
CY2016 us-gaap Increase Decrease In Other Operating Capital Net
IncreaseDecreaseInOtherOperatingCapitalNet
146100000 USD
CY2017 us-gaap Increase Decrease In Other Operating Capital Net
IncreaseDecreaseInOtherOperatingCapitalNet
20800000 USD
CY2015 us-gaap Increase Decrease In Restricted Cash For Operating Activities
IncreaseDecreaseInRestrictedCashForOperatingActivities
-17900000 USD
CY2016 us-gaap Increase Decrease In Restricted Cash For Operating Activities
IncreaseDecreaseInRestrictedCashForOperatingActivities
-5800000 USD
CY2017 us-gaap Increase Decrease In Restricted Cash For Operating Activities
IncreaseDecreaseInRestrictedCashForOperatingActivities
0 USD
CY2015 us-gaap Increase Decrease In Unearned Premiums
IncreaseDecreaseInUnearnedPremiums
23900000 USD
CY2016 us-gaap Increase Decrease In Unearned Premiums
IncreaseDecreaseInUnearnedPremiums
31700000 USD
CY2017 us-gaap Increase Decrease In Unearned Premiums
IncreaseDecreaseInUnearnedPremiums
54500000 USD
CY2016 us-gaap Incremental Common Shares Attributable To Share Based Payment Arrangements
IncrementalCommonSharesAttributableToShareBasedPaymentArrangements
3217 shares
CY2016Q4 us-gaap Intangible Assets Gross Excluding Goodwill
IntangibleAssetsGrossExcludingGoodwill
43500000 USD
CY2017Q4 us-gaap Intangible Assets Gross Excluding Goodwill
IntangibleAssetsGrossExcludingGoodwill
71000000 USD
CY2016Q4 us-gaap Intangible Assets Net Excluding Goodwill
IntangibleAssetsNetExcludingGoodwill
19300000 USD
CY2017Q4 us-gaap Intangible Assets Net Excluding Goodwill
IntangibleAssetsNetExcludingGoodwill
36200000 USD
CY2016Q4 us-gaap Intangible Assets Net Including Goodwill
IntangibleAssetsNetIncludingGoodwill
45200000 USD
CY2017Q4 us-gaap Intangible Assets Net Including Goodwill
IntangibleAssetsNetIncludingGoodwill
62100000 USD
CY2015 us-gaap Interest And Dividend Income Operating
InterestAndDividendIncomeOperating
15300000 USD
CY2016 us-gaap Interest And Dividend Income Operating
InterestAndDividendIncomeOperating
34500000 USD
CY2017 us-gaap Interest And Dividend Income Operating
InterestAndDividendIncomeOperating
58500000 USD
CY2015 us-gaap Interest Expense Debt
InterestExpenseDebt
1600000 USD
CY2016 us-gaap Interest Expense Debt
InterestExpenseDebt
3000000 USD
CY2017 us-gaap Interest Expense Debt
InterestExpenseDebt
2300000 USD
CY2015 us-gaap Interest Paid
InterestPaid
100000 USD
CY2016 us-gaap Interest Paid
InterestPaid
2100000 USD
CY2017 us-gaap Interest Paid
InterestPaid
1400000 USD
CY2015 us-gaap Investment Income Investment Expense
InvestmentIncomeInvestmentExpense
4400000 USD
CY2016 us-gaap Investment Income Investment Expense
InvestmentIncomeInvestmentExpense
2400000 USD
CY2017 us-gaap Investment Income Investment Expense
InvestmentIncomeInvestmentExpense
2500000 USD
CY2016Q4 us-gaap Investments
Investments
2714400000 USD
CY2017Q4 us-gaap Investments
Investments
3380700000 USD
CY2015Q4 us-gaap Investments Fair Value Disclosure
InvestmentsFairValueDisclosure
1543500000 USD
CY2016Q4 us-gaap Investments Fair Value Disclosure
InvestmentsFairValueDisclosure
2547300000 USD
CY2017Q4 us-gaap Investments Fair Value Disclosure
InvestmentsFairValueDisclosure
3208300000 USD
CY2016Q4 us-gaap Liabilities
Liabilities
2804200000 USD
CY2017Q4 us-gaap Liabilities
Liabilities
298400000 USD
CY2016Q4 us-gaap Liabilities And Stockholders Equity
LiabilitiesAndStockholdersEquity
6520200000 USD
CY2015 us-gaap Net Cash Provided By Used In Investing Activities Continuing Operations
NetCashProvidedByUsedInInvestingActivitiesContinuingOperations
111800000 USD
CY2017Q4 us-gaap Liabilities And Stockholders Equity
LiabilitiesAndStockholdersEquity
3659200000 USD
CY2016Q4 us-gaap Long Term Debt
LongTermDebt
12700000 USD
CY2017Q4 us-gaap Long Term Debt
LongTermDebt
23800000 USD
CY2017Q4 us-gaap Long Term Debt Maturing In Years Four And Five
LongTermDebtMaturingInYearsFourAndFive
8700000 USD
CY2017Q4 us-gaap Long Term Debt Maturing In Years Two And Three
LongTermDebtMaturingInYearsTwoAndThree
12100000 USD
CY2017Q4 us-gaap Long Term Debt Maturities Repayments Of Principal After Year Five
LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive
0 USD
CY2017Q4 us-gaap Long Term Debt Maturities Repayments Of Principal In Next Twelve Months
LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths
3100000 USD
CY2016Q4 us-gaap Minority Interest
MinorityInterest
133300000 USD
CY2017Q4 us-gaap Minority Interest
MinorityInterest
-131700000 USD
CY2015 us-gaap Net Cash Provided By Used In Discontinued Operations
NetCashProvidedByUsedInDiscontinuedOperations
42700000 USD
CY2016 us-gaap Net Cash Provided By Used In Discontinued Operations
NetCashProvidedByUsedInDiscontinuedOperations
171200000 USD
CY2017 us-gaap Net Cash Provided By Used In Discontinued Operations
NetCashProvidedByUsedInDiscontinuedOperations
98100000 USD
CY2015 us-gaap Net Cash Provided By Used In Financing Activities
NetCashProvidedByUsedInFinancingActivities
-221300000 USD
CY2016 us-gaap Net Cash Provided By Used In Financing Activities
NetCashProvidedByUsedInFinancingActivities
-948400000 USD
CY2017 us-gaap Net Cash Provided By Used In Financing Activities
NetCashProvidedByUsedInFinancingActivities
-699000000 USD
CY2015 us-gaap Net Cash Provided By Used In Financing Activities Continuing Operations
NetCashProvidedByUsedInFinancingActivitiesContinuingOperations
-120600000 USD
CY2016 us-gaap Net Cash Provided By Used In Financing Activities Continuing Operations
NetCashProvidedByUsedInFinancingActivitiesContinuingOperations
-854600000 USD
CY2017 us-gaap Net Cash Provided By Used In Financing Activities Continuing Operations
NetCashProvidedByUsedInFinancingActivitiesContinuingOperations
-637100000 USD
CY2015 us-gaap Net Cash Provided By Used In Investing Activities
NetCashProvidedByUsedInInvestingActivities
11300000 USD
CY2016 us-gaap Net Cash Provided By Used In Investing Activities
NetCashProvidedByUsedInInvestingActivities
1276800000 USD
CY2017 us-gaap Net Cash Provided By Used In Investing Activities
NetCashProvidedByUsedInInvestingActivities
718500000 USD
CY2016 us-gaap Net Cash Provided By Used In Investing Activities Continuing Operations
NetCashProvidedByUsedInInvestingActivitiesContinuingOperations
1035400000 USD
CY2017 us-gaap Net Cash Provided By Used In Investing Activities Continuing Operations
NetCashProvidedByUsedInInvestingActivitiesContinuingOperations
715500000 USD
CY2015 us-gaap Net Cash Provided By Used In Operating Activities
NetCashProvidedByUsedInOperatingActivities
182400000 USD
CY2016 us-gaap Net Cash Provided By Used In Operating Activities
NetCashProvidedByUsedInOperatingActivities
-149300000 USD
CY2017 us-gaap Net Cash Provided By Used In Operating Activities
NetCashProvidedByUsedInOperatingActivities
94600000 USD
CY2015 us-gaap Net Cash Provided By Used In Operating Activities Continuing Operations
NetCashProvidedByUsedInOperatingActivitiesContinuingOperations
-66000000 USD
CY2016 us-gaap Net Cash Provided By Used In Operating Activities Continuing Operations
NetCashProvidedByUsedInOperatingActivitiesContinuingOperations
-172900000 USD
CY2017 us-gaap Net Cash Provided By Used In Operating Activities Continuing Operations
NetCashProvidedByUsedInOperatingActivitiesContinuingOperations
-62400000 USD
CY2015 us-gaap Net Income Loss Attributable To Noncontrolling Interest
NetIncomeLossAttributableToNoncontrollingInterest
-18500000 USD
CY2016Q1 us-gaap Net Income Loss Attributable To Noncontrolling Interest
NetIncomeLossAttributableToNoncontrollingInterest
6200000 USD
CY2016Q2 us-gaap Net Income Loss Attributable To Noncontrolling Interest
NetIncomeLossAttributableToNoncontrollingInterest
21500000 USD
CY2016Q3 us-gaap Net Income Loss Attributable To Noncontrolling Interest
NetIncomeLossAttributableToNoncontrollingInterest
-3100000 USD
CY2016Q4 us-gaap Net Income Loss Attributable To Noncontrolling Interest
NetIncomeLossAttributableToNoncontrollingInterest
-17400000 USD
CY2016 us-gaap Net Income Loss Attributable To Noncontrolling Interest
NetIncomeLossAttributableToNoncontrollingInterest
7200000 USD
CY2017Q1 us-gaap Net Income Loss Attributable To Noncontrolling Interest
NetIncomeLossAttributableToNoncontrollingInterest
-1000000 USD
CY2017Q2 us-gaap Net Income Loss Attributable To Noncontrolling Interest
NetIncomeLossAttributableToNoncontrollingInterest
-12000000 USD
CY2017Q3 us-gaap Net Income Loss Attributable To Noncontrolling Interest
NetIncomeLossAttributableToNoncontrollingInterest
-10600000 USD
CY2017Q4 us-gaap Net Income Loss Attributable To Noncontrolling Interest
NetIncomeLossAttributableToNoncontrollingInterest
-10500000 USD
CY2017 us-gaap Net Income Loss Attributable To Noncontrolling Interest
NetIncomeLossAttributableToNoncontrollingInterest
-34100000 USD
CY2015 us-gaap Net Income Loss Available To Common Stockholders Basic
NetIncomeLossAvailableToCommonStockholdersBasic
295200000 USD
CY2016Q1 us-gaap Net Income Loss Available To Common Stockholders Basic
NetIncomeLossAvailableToCommonStockholdersBasic
9500000 USD
CY2016Q2 us-gaap Net Income Loss Available To Common Stockholders Basic
NetIncomeLossAvailableToCommonStockholdersBasic
340400000 USD
CY2016Q3 us-gaap Net Income Loss Available To Common Stockholders Basic
NetIncomeLossAvailableToCommonStockholdersBasic
90800000 USD
CY2016Q4 us-gaap Net Income Loss Available To Common Stockholders Basic
NetIncomeLossAvailableToCommonStockholdersBasic
-38900000 USD
CY2016 us-gaap Net Income Loss Available To Common Stockholders Basic
NetIncomeLossAvailableToCommonStockholdersBasic
401800000 USD
CY2017Q1 us-gaap Net Income Loss Available To Common Stockholders Basic
NetIncomeLossAvailableToCommonStockholdersBasic
29000000 USD
CY2017Q2 us-gaap Net Income Loss Available To Common Stockholders Basic
NetIncomeLossAvailableToCommonStockholdersBasic
13600000 USD
CY2017Q3 us-gaap Net Income Loss Available To Common Stockholders Basic
NetIncomeLossAvailableToCommonStockholdersBasic
562100000 USD
CY2017Q4 us-gaap Net Income Loss Available To Common Stockholders Basic
NetIncomeLossAvailableToCommonStockholdersBasic
22500000 USD
CY2017 us-gaap Net Income Loss Available To Common Stockholders Basic
NetIncomeLossAvailableToCommonStockholdersBasic
627200000 USD
CY2015 us-gaap Net Investment Income
NetInvestmentIncome
10900000 USD
CY2016 us-gaap Net Investment Income
NetInvestmentIncome
32100000 USD
CY2017 us-gaap Net Investment Income
NetInvestmentIncome
56000000 USD
CY2015 us-gaap Net Realized Or Unrealized Gain Loss On Trading Securities
NetRealizedOrUnrealizedGainLossOnTradingSecurities
260500000 USD
CY2016 us-gaap Net Realized Or Unrealized Gain Loss On Trading Securities
NetRealizedOrUnrealizedGainLossOnTradingSecurities
-27400000 USD
CY2017 us-gaap Net Realized Or Unrealized Gain Loss On Trading Securities
NetRealizedOrUnrealizedGainLossOnTradingSecurities
133300000 USD
CY2015 us-gaap Operating Leases Rent Expense Net
OperatingLeasesRentExpenseNet
2000000 USD
CY2016 us-gaap Operating Leases Rent Expense Net
OperatingLeasesRentExpenseNet
3400000 USD
CY2017 us-gaap Operating Leases Rent Expense Net
OperatingLeasesRentExpenseNet
3500000 USD
CY2015 us-gaap Other Comprehensive Income Loss Net Of Tax
OtherComprehensiveIncomeLossNetOfTax
-42800000 USD
CY2016 us-gaap Other Comprehensive Income Loss Net Of Tax
OtherComprehensiveIncomeLossNetOfTax
-700000 USD
CY2017 us-gaap Other Comprehensive Income Loss Net Of Tax
OtherComprehensiveIncomeLossNetOfTax
300000 USD
CY2015 us-gaap Other Income
OtherIncome
49200000 USD
CY2016 us-gaap Other Income
OtherIncome
21300000 USD
CY2017 us-gaap Other Income
OtherIncome
7100000 USD
CY2015 us-gaap Other Underwriting Expense
OtherUnderwritingExpense
400000 USD
CY2016 us-gaap Other Underwriting Expense
OtherUnderwritingExpense
400000 USD
CY2017 us-gaap Other Underwriting Expense
OtherUnderwritingExpense
400000 USD
CY2015 us-gaap Payments For Proceeds From Other Investing Activities
PaymentsForProceedsFromOtherInvestingActivities
-8800000 USD
CY2016 us-gaap Payments For Proceeds From Other Investing Activities
PaymentsForProceedsFromOtherInvestingActivities
-4800000 USD
CY2017 us-gaap Payments For Proceeds From Other Investing Activities
PaymentsForProceedsFromOtherInvestingActivities
14700000 USD
CY2015 us-gaap Payments For Proceeds From Short Term Investments
PaymentsForProceedsFromShortTermInvestments
-6900000 USD
CY2016 us-gaap Payments For Proceeds From Short Term Investments
PaymentsForProceedsFromShortTermInvestments
27200000 USD
CY2017 us-gaap Payments For Proceeds From Short Term Investments
PaymentsForProceedsFromShortTermInvestments
1700000 USD
CY2015 us-gaap Payments For Repurchase Of Common Stock
PaymentsForRepurchaseOfCommonStock
268600000 USD
CY2016 us-gaap Payments For Repurchase Of Common Stock
PaymentsForRepurchaseOfCommonStock
881300000 USD
CY2017 us-gaap Payments For Repurchase Of Common Stock
PaymentsForRepurchaseOfCommonStock
714600000 USD
CY2015 us-gaap Payments Of Capital Distribution
PaymentsOfCapitalDistribution
7500000 USD
CY2016 us-gaap Payments Of Capital Distribution
PaymentsOfCapitalDistribution
1100000 USD
CY2017 us-gaap Payments Of Capital Distribution
PaymentsOfCapitalDistribution
2000000 USD
CY2017 us-gaap Payments Of Dividends
PaymentsOfDividends
4600000 USD
CY2015 us-gaap Payments Of Dividends Common Stock
PaymentsOfDividendsCommonStock
6000000 USD
CY2016 us-gaap Payments Of Dividends Common Stock
PaymentsOfDividendsCommonStock
5400000 USD
CY2017 us-gaap Payments Of Dividends Common Stock
PaymentsOfDividendsCommonStock
4600000 USD
CY2015 us-gaap Payments To Acquire Additional Interest In Subsidiaries
PaymentsToAcquireAdditionalInterestInSubsidiaries
9100000 USD
CY2016 us-gaap Payments To Acquire Additional Interest In Subsidiaries
PaymentsToAcquireAdditionalInterestInSubsidiaries
0 USD
CY2017 us-gaap Payments To Acquire Additional Interest In Subsidiaries
PaymentsToAcquireAdditionalInterestInSubsidiaries
700000 USD
CY2015 us-gaap Payments To Acquire Businesses And Interest In Affiliates
PaymentsToAcquireBusinessesAndInterestInAffiliates
2600000 USD
CY2016 us-gaap Payments To Acquire Businesses And Interest In Affiliates
PaymentsToAcquireBusinessesAndInterestInAffiliates
13400000 USD
CY2017 us-gaap Payments To Acquire Businesses And Interest In Affiliates
PaymentsToAcquireBusinessesAndInterestInAffiliates
27600000 USD
CY2015 us-gaap Payments To Acquire Other Investments
PaymentsToAcquireOtherInvestments
73900000 USD
CY2016 us-gaap Payments To Acquire Other Investments
PaymentsToAcquireOtherInvestments
38500000 USD
CY2017 us-gaap Payments To Acquire Other Investments
PaymentsToAcquireOtherInvestments
84100000 USD
CY2015 us-gaap Policyholder Benefits And Claims Incurred Net
PolicyholderBenefitsAndClaimsIncurredNet
8200000 USD
CY2016 us-gaap Policyholder Benefits And Claims Incurred Net
PolicyholderBenefitsAndClaimsIncurredNet
8000000 USD
CY2017 us-gaap Policyholder Benefits And Claims Incurred Net
PolicyholderBenefitsAndClaimsIncurredNet
1100000 USD
CY2015 us-gaap Premiums Earned Net
PremiumsEarnedNet
12000000 USD
CY2016 us-gaap Premiums Earned Net
PremiumsEarnedNet
13400000 USD
CY2017 us-gaap Premiums Earned Net
PremiumsEarnedNet
10400000 USD
CY2015 us-gaap Proceeds From Divestiture Of Interest In Subsidiaries And Affiliates
ProceedsFromDivestitureOfInterestInSubsidiariesAndAffiliates
24000000 USD
CY2016 us-gaap Proceeds From Divestiture Of Interest In Subsidiaries And Affiliates
ProceedsFromDivestitureOfInterestInSubsidiariesAndAffiliates
2646200000 USD
CY2017 us-gaap Proceeds From Divestiture Of Interest In Subsidiaries And Affiliates
ProceedsFromDivestitureOfInterestInSubsidiariesAndAffiliates
1131000000 USD
CY2015 us-gaap Proceeds From Issuance Of Common Stock
ProceedsFromIssuanceOfCommonStock
0 USD
CY2016 us-gaap Proceeds From Issuance Of Common Stock
ProceedsFromIssuanceOfCommonStock
3700000 USD
CY2017 us-gaap Proceeds From Issuance Of Common Stock
ProceedsFromIssuanceOfCommonStock
0 USD
CY2015 us-gaap Proceeds From Lines Of Credit
ProceedsFromLinesOfCredit
171500000 USD
CY2016 us-gaap Proceeds From Lines Of Credit
ProceedsFromLinesOfCredit
352500000 USD
CY2017 us-gaap Proceeds From Lines Of Credit
ProceedsFromLinesOfCredit
376000000 USD
CY2015 us-gaap Proceeds From Partnership Contribution
ProceedsFromPartnershipContribution
0 USD
CY2016 us-gaap Proceeds From Partnership Contribution
ProceedsFromPartnershipContribution
0 USD
CY2017 us-gaap Proceeds From Partnership Contribution
ProceedsFromPartnershipContribution
500000 USD
CY2015 us-gaap Proceeds From Payments For Other Financing Activities
ProceedsFromPaymentsForOtherFinancingActivities
-6700000 USD
CY2016 us-gaap Proceeds From Payments For Other Financing Activities
ProceedsFromPaymentsForOtherFinancingActivities
-5800000 USD
CY2017 us-gaap Proceeds From Payments For Other Financing Activities
ProceedsFromPaymentsForOtherFinancingActivities
-9300000 USD
CY2015 us-gaap Proceeds From Sale And Maturity Of Other Investments
ProceedsFromSaleAndMaturityOfOtherInvestments
44100000 USD
CY2016 us-gaap Proceeds From Sale And Maturity Of Other Investments
ProceedsFromSaleAndMaturityOfOtherInvestments
17300000 USD
CY2017 us-gaap Proceeds From Sale And Maturity Of Other Investments
ProceedsFromSaleAndMaturityOfOtherInvestments
29400000 USD
CY2015 us-gaap Profit Loss
ProfitLoss
276700000 USD
CY2016 us-gaap Profit Loss
ProfitLoss
409000000 USD
CY2017 us-gaap Profit Loss
ProfitLoss
593100000 USD
CY2015 us-gaap Repayments Of Debt
RepaymentsOfDebt
76100000 USD
CY2016 us-gaap Repayments Of Debt
RepaymentsOfDebt
404600000 USD
CY2017 us-gaap Repayments Of Debt
RepaymentsOfDebt
365000000 USD
CY2014Q4 us-gaap Restricted Cash And Cash Equivalents At Carrying Value
RestrictedCashAndCashEquivalentsAtCarryingValue
23700000 USD
CY2015Q4 us-gaap Restricted Cash And Cash Equivalents At Carrying Value
RestrictedCashAndCashEquivalentsAtCarryingValue
5800000 USD
CY2016Q4 us-gaap Restricted Cash And Cash Equivalents At Carrying Value
RestrictedCashAndCashEquivalentsAtCarryingValue
0 USD
CY2017Q4 us-gaap Restricted Cash And Cash Equivalents At Carrying Value
RestrictedCashAndCashEquivalentsAtCarryingValue
0 USD
CY2016Q4 us-gaap Retained Earnings Accumulated Deficit
RetainedEarningsAccumulatedDeficit
2776600000 USD
CY2017Q4 us-gaap Retained Earnings Accumulated Deficit
RetainedEarningsAccumulatedDeficit
2823200000 USD
CY2015 us-gaap Revenues
Revenues
440000000 USD
CY2016Q1 us-gaap Revenues
Revenues
58000000 USD
CY2016Q2 us-gaap Revenues
Revenues
48400000 USD
CY2016Q3 us-gaap Revenues
Revenues
56800000 USD
CY2016Q4 us-gaap Revenues
Revenues
-5500000 USD
CY2016 us-gaap Revenues
Revenues
157700000 USD
CY2017Q1 us-gaap Revenues
Revenues
88800000 USD
CY2017Q2 us-gaap Revenues
Revenues
83500000 USD
CY2017Q3 us-gaap Revenues
Revenues
87500000 USD
CY2017 us-gaap Revenues
Revenues
373800000 USD
CY2016Q4 us-gaap Shares Issued Price Per Share
SharesIssuedPricePerShare
742
CY2015 us-gaap Stock Issued During Period Shares New Issues
StockIssuedDuringPeriodSharesNewIssues
25016 shares
CY2016 us-gaap Stock Issued During Period Shares New Issues
StockIssuedDuringPeriodSharesNewIssues
47030 shares
CY2017 us-gaap Stock Issued During Period Shares New Issues
StockIssuedDuringPeriodSharesNewIssues
25086 shares
CY2015 us-gaap Stock Repurchased And Retired During Period Value
StockRepurchasedAndRetiredDuringPeriodValue
284200000 USD
CY2016 us-gaap Stock Repurchased And Retired During Period Value
StockRepurchasedAndRetiredDuringPeriodValue
887200000 USD
CY2017 us-gaap Stock Repurchased And Retired During Period Value
StockRepurchasedAndRetiredDuringPeriodValue
723900000 USD
CY2016Q4 us-gaap Stockholders Equity
StockholdersEquity
3582700000 USD
CY2017Q4 us-gaap Stockholders Equity
StockholdersEquity
3492500000 USD
CY2016Q4 us-gaap Stockholders Equity Including Portion Attributable To Noncontrolling Interest
StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
3716000000 USD
CY2017Q4 us-gaap Stockholders Equity Including Portion Attributable To Noncontrolling Interest
StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
3360800000 USD
CY2017Q4 us-gaap Summary Of Investments Other Than Investments In Related Parties Carrying Amount
SummaryOfInvestmentsOtherThanInvestmentsInRelatedPartiesCarryingAmount
3380700000 USD
CY2017Q4 us-gaap Summary Of Investments Other Than Investments In Related Parties Cost
SummaryOfInvestmentsOtherThanInvestmentsInRelatedPartiesCost
3279600000 USD
CY2017Q4 us-gaap Summary Of Investments Other Than Investments In Related Parties Fair Value
SummaryOfInvestmentsOtherThanInvestmentsInRelatedPartiesFairValue
3380700000 USD
CY2017Q4 us-gaap Trading Securities
TradingSecurities
2129700000 USD
CY2016Q4 us-gaap Trading Securities Debt
TradingSecuritiesDebt
2081100000 USD
CY2016Q4 us-gaap Trading Securities Equity
TradingSecuritiesEquity
0 USD
CY2015 us-gaap Trading Securities Realized Gain
TradingSecuritiesRealizedGain
48700000 USD
CY2016 us-gaap Trading Securities Realized Gain
TradingSecuritiesRealizedGain
283700000 USD
CY2017 us-gaap Trading Securities Realized Gain
TradingSecuritiesRealizedGain
61500000 USD
CY2015 us-gaap Trading Securities Realized Gain Loss
TradingSecuritiesRealizedGainLoss
30000000 USD
CY2016 us-gaap Trading Securities Realized Gain Loss
TradingSecuritiesRealizedGainLoss
269700000 USD
CY2017 us-gaap Trading Securities Realized Gain Loss
TradingSecuritiesRealizedGainLoss
35300000 USD
CY2015 us-gaap Trading Securities Realized Loss
TradingSecuritiesRealizedLoss
18600000 USD
CY2016 us-gaap Trading Securities Realized Loss
TradingSecuritiesRealizedLoss
13700000 USD
CY2017 us-gaap Trading Securities Realized Loss
TradingSecuritiesRealizedLoss
37400000 USD
CY2015 us-gaap Trading Securities Unrealized Holding Gain Loss
TradingSecuritiesUnrealizedHoldingGainLoss
235500000 USD
CY2016 us-gaap Trading Securities Unrealized Holding Gain Loss
TradingSecuritiesUnrealizedHoldingGainLoss
-294700000 USD
CY2017 us-gaap Trading Securities Unrealized Holding Gain Loss
TradingSecuritiesUnrealizedHoldingGainLoss
97500000 USD
CY2015 us-gaap Treasury Stock Acquired Average Cost Per Share
TreasuryStockAcquiredAverageCostPerShare
733
CY2016 us-gaap Treasury Stock Acquired Average Cost Per Share
TreasuryStockAcquiredAverageCostPerShare
802
CY2017 us-gaap Treasury Stock Acquired Average Cost Per Share
TreasuryStockAcquiredAverageCostPerShare
869
CY2015 us-gaap Undistributed Earnings
UndistributedEarnings
152300000 USD
CY2016 us-gaap Undistributed Earnings
UndistributedEarnings
-125500000 USD
CY2017 us-gaap Undistributed Earnings
UndistributedEarnings
44500000 USD
CY2016Q4 us-gaap Unrecognized Tax Benefits
UnrecognizedTaxBenefits
0 USD
CY2017Q4 us-gaap Unrecognized Tax Benefits
UnrecognizedTaxBenefits
300000 USD
CY2017 us-gaap Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions
UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions
200000 USD
CY2017 us-gaap Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions
UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions
100000 USD
CY2017 wtm Amortizationof Restricted Sharesand Option Awards
AmortizationofRestrictedSharesandOptionAwards
14800000 USD
CY2014Q4 wtm Cash Reclassified To Assets Held For Sale
CashReclassifiedToAssetsHeldForSale
2300000 USD
CY2015Q4 wtm Cash Reclassified To Assets Held For Sale
CashReclassifiedToAssetsHeldForSale
1200000 USD
CY2015 us-gaap Weighted Average Number Diluted Shares Outstanding Adjustment
WeightedAverageNumberDilutedSharesOutstandingAdjustment
5879200 shares
CY2016 us-gaap Weighted Average Number Diluted Shares Outstanding Adjustment
WeightedAverageNumberDilutedSharesOutstandingAdjustment
5018100 shares
CY2017 us-gaap Weighted Average Number Diluted Shares Outstanding Adjustment
WeightedAverageNumberDilutedSharesOutstandingAdjustment
4293800 shares
CY2015 us-gaap Weighted Average Number Of Diluted Shares Outstanding
WeightedAverageNumberOfDilutedSharesOutstanding
5811200 shares
CY2016 us-gaap Weighted Average Number Of Diluted Shares Outstanding
WeightedAverageNumberOfDilutedSharesOutstanding
4953300 shares
CY2017 us-gaap Weighted Average Number Of Diluted Shares Outstanding
WeightedAverageNumberOfDilutedSharesOutstanding
4239500 shares
CY2015 us-gaap Weighted Average Number Of Shares Issued Basic
WeightedAverageNumberOfSharesIssuedBasic
5879200 shares
CY2016 us-gaap Weighted Average Number Of Shares Issued Basic
WeightedAverageNumberOfSharesIssuedBasic
5014900 shares
CY2017 us-gaap Weighted Average Number Of Shares Issued Basic
WeightedAverageNumberOfSharesIssuedBasic
4293800 shares
CY2015 us-gaap Weighted Average Number Of Shares Outstanding Basic
WeightedAverageNumberOfSharesOutstandingBasic
5811200 shares
CY2016 us-gaap Weighted Average Number Of Shares Outstanding Basic
WeightedAverageNumberOfSharesOutstandingBasic
4950100 shares
CY2017 us-gaap Weighted Average Number Of Shares Outstanding Basic
WeightedAverageNumberOfSharesOutstandingBasic
4239500 shares
CY2015 us-gaap Weighted Average Number Of Shares Restricted Stock
WeightedAverageNumberOfSharesRestrictedStock
68000 shares
CY2016 us-gaap Weighted Average Number Of Shares Restricted Stock
WeightedAverageNumberOfSharesRestrictedStock
64800 shares
CY2017 us-gaap Weighted Average Number Of Shares Restricted Stock
WeightedAverageNumberOfSharesRestrictedStock
54300 shares
CY2016Q4 wtm Accumulated Other Comprehensive Income Loss Net Of Tax Other
AccumulatedOtherComprehensiveIncomeLossNetOfTaxOther
-3200000 USD
CY2017Q4 wtm Accumulated Other Comprehensive Income Loss Net Of Tax Other
AccumulatedOtherComprehensiveIncomeLossNetOfTaxOther
0 USD
CY2015 wtm Amortizationof Restricted Sharesand Option Awards
AmortizationofRestrictedSharesandOptionAwards
14900000 USD
CY2016 wtm Amortizationof Restricted Sharesand Option Awards
AmortizationofRestrictedSharesandOptionAwards
18500000 USD
CY2016Q4 wtm Cash Reclassified To Assets Held For Sale
CashReclassifiedToAssetsHeldForSale
900000 USD
CY2017Q4 wtm Cash Reclassified To Assets Held For Sale
CashReclassifiedToAssetsHeldForSale
0 USD
CY2017 wtm Commitments Other Long Term Investments
CommitmentsOtherLongTermInvestments
109300000 USD
CY2015 wtm Distributionfrom Contributionsto Discontinued Operationsfor Investing Activities
DistributionfromContributionstoDiscontinuedOperationsforInvestingActivities
-18000000 USD
CY2016 wtm Distributionfrom Contributionsto Discontinued Operationsfor Investing Activities
DistributionfromContributionstoDiscontinuedOperationsforInvestingActivities
402000000 USD
CY2017 wtm Distributionfrom Contributionsto Discontinued Operationsfor Investing Activities
DistributionfromContributionstoDiscontinuedOperationsforInvestingActivities
-167700000 USD
CY2015 wtm Distributionsfromcontributionstodiscontinuedoperations
Distributionsfromcontributionstodiscontinuedoperations
52700000 USD
CY2016 wtm Distributionsfromcontributionstodiscontinuedoperations
Distributionsfromcontributionstodiscontinuedoperations
57200000 USD
CY2017 wtm Distributionsfromcontributionstodiscontinuedoperations
Distributionsfromcontributionstodiscontinuedoperations
45200000 USD
CY2015 wtm Dividends Common Stock Cash Net Of Restricted Common Share Amounts
DividendsCommonStockCashNetOfRestrictedCommonShareAmounts
5900000 USD
CY2016 wtm Dividends Common Stock Cash Net Of Restricted Common Share Amounts
DividendsCommonStockCashNetOfRestrictedCommonShareAmounts
5400000 USD
CY2017 wtm Dividends Common Stock Cash Net Of Restricted Common Share Amounts
DividendsCommonStockCashNetOfRestrictedCommonShareAmounts
4500000 USD
CY2015 wtm Effective Income Tax Rate Reconciliation Member Surplus Contribution Amount
EffectiveIncomeTaxRateReconciliationMemberSurplusContributionAmount
1500000 USD
CY2016 wtm Effective Income Tax Rate Reconciliation Member Surplus Contribution Amount
EffectiveIncomeTaxRateReconciliationMemberSurplusContributionAmount
2300000 USD
CY2017 wtm Effective Income Tax Rate Reconciliation Member Surplus Contribution Amount
EffectiveIncomeTaxRateReconciliationMemberSurplusContributionAmount
3000000 USD
CY2015 wtm Equity Method Investment Investee Unrealized Gains Losses Portfolio
EquityMethodInvestmentInvesteeUnrealizedGainsLossesPortfolio
-39200000 USD
CY2016 wtm Equity Method Investment Investee Unrealized Gains Losses Portfolio
EquityMethodInvestmentInvesteeUnrealizedGainsLossesPortfolio
0 USD
CY2017 wtm Equity Method Investment Investee Unrealized Gains Losses Portfolio
EquityMethodInvestmentInvesteeUnrealizedGainsLossesPortfolio
0 USD
CY2016 wtm Fair Value Assets Measured On Recurring Basis Gain Loss Included In Earnings
FairValueAssetsMeasuredOnRecurringBasisGainLossIncludedInEarnings
26200000 USD
CY2017 wtm Fair Value Assets Measured On Recurring Basis Gain Loss Included In Earnings
FairValueAssetsMeasuredOnRecurringBasisGainLossIncludedInEarnings
157400000 USD
CY2016 wtm Fair Value Assets Measured On Recurring Basis Transfers In
FairValueAssetsMeasuredOnRecurringBasisTransfersIn
70000000 USD
CY2017 wtm Fair Value Assets Measured On Recurring Basis Transfers In
FairValueAssetsMeasuredOnRecurringBasisTransfersIn
18700000 USD
CY2016 wtm Fair Value Assets Measured On Recurring Basis Transfers Out
FairValueAssetsMeasuredOnRecurringBasisTransfersOut
70000000 USD
CY2017 wtm Fair Value Assets Measured On Recurring Basis Transfers Out
FairValueAssetsMeasuredOnRecurringBasisTransfersOut
18700000 USD
CY2015 wtm Gain Loss On Investments Net Of Tax
GainLossOnInvestmentsNetOfTax
177900000 USD
CY2016 wtm Gain Loss On Investments Net Of Tax
GainLossOnInvestmentsNetOfTax
-24700000 USD
CY2017 wtm Gain Loss On Investments Net Of Tax
GainLossOnInvestmentsNetOfTax
120400000 USD
CY2015 wtm Income Loss Allocated To Participating Unvested Restricted Common Shares
IncomeLossAllocatedToParticipatingUnvestedRestrictedCommonShares
1900000 USD
CY2016 wtm Income Loss Allocated To Participating Unvested Restricted Common Shares
IncomeLossAllocatedToParticipatingUnvestedRestrictedCommonShares
-1500000 USD
CY2017 wtm Income Loss Allocated To Participating Unvested Restricted Common Shares
IncomeLossAllocatedToParticipatingUnvestedRestrictedCommonShares
700000 USD
CY2015 wtm Income Loss Before Equity Earnings Of Unconsolidated Affiliates Extraordinary Items And Cumulative Effect Of Change In Accounting Principle
IncomeLossBeforeEquityEarningsOfUnconsolidatedAffiliatesExtraordinaryItemsAndCumulativeEffectOfChangeInAccountingPrinciple
251600000 USD
CY2016 wtm Income Loss Before Equity Earnings Of Unconsolidated Affiliates Extraordinary Items And Cumulative Effect Of Change In Accounting Principle
IncomeLossBeforeEquityEarningsOfUnconsolidatedAffiliatesExtraordinaryItemsAndCumulativeEffectOfChangeInAccountingPrinciple
409000000 USD
CY2017 wtm Income Loss Before Equity Earnings Of Unconsolidated Affiliates Extraordinary Items And Cumulative Effect Of Change In Accounting Principle
IncomeLossBeforeEquityEarningsOfUnconsolidatedAffiliatesExtraordinaryItemsAndCumulativeEffectOfChangeInAccountingPrinciple
593100000 USD
CY2015 wtm Income Loss From Continuing Operatings Excluding Portion Attributable To Noncontrolling Interest Net
IncomeLossFromContinuingOperatingsExcludingPortionAttributableToNoncontrollingInterestNet
158200000 USD
CY2016 wtm Income Loss From Continuing Operatings Excluding Portion Attributable To Noncontrolling Interest Net
IncomeLossFromContinuingOperatingsExcludingPortionAttributableToNoncontrollingInterestNet
-120100000 USD
CY2017 wtm Income Loss From Continuing Operatings Excluding Portion Attributable To Noncontrolling Interest Net
IncomeLossFromContinuingOperatingsExcludingPortionAttributableToNoncontrollingInterestNet
49000000 USD
CY2015 wtm Insurance Acquisition Expenses
InsuranceAcquisitionExpenses
6300000 USD
CY2016 wtm Insurance Acquisition Expenses
InsuranceAcquisitionExpenses
5600000 USD
CY2017 wtm Insurance Acquisition Expenses
InsuranceAcquisitionExpenses
4100000 USD
CY2016Q4 wtm Intangible Assets Gross Including Goodwill
IntangibleAssetsGrossIncludingGoodwill
69400000 USD
CY2017Q4 wtm Intangible Assets Gross Including Goodwill
IntangibleAssetsGrossIncludingGoodwill
96900000 USD
CY2016Q4 wtm Investments Held In Trusts
InvestmentsHeldInTrusts
161700000 USD
CY2017Q4 wtm Investments Held In Trusts
InvestmentsHeldInTrusts
204600000 USD
CY2015 wtm Investments In Unconsolidated Affiliates Amortization Through Equity In Net Unrealized Losses After Tax
InvestmentsInUnconsolidatedAffiliatesAmortizationThroughEquityInNetUnrealizedLossesAfterTax
-36300000 USD
CY2016 wtm Investments In Unconsolidated Affiliates Amortization Through Equity In Net Unrealized Losses After Tax
InvestmentsInUnconsolidatedAffiliatesAmortizationThroughEquityInNetUnrealizedLossesAfterTax
0 USD
CY2017 wtm Investments In Unconsolidated Affiliates Amortization Through Equity In Net Unrealized Losses After Tax
InvestmentsInUnconsolidatedAffiliatesAmortizationThroughEquityInNetUnrealizedLossesAfterTax
0 USD
CY2016Q4 wtm Liabilities Held For Sale
LiabilitiesHeldForSale
2569300000 USD
CY2017Q4 wtm Long Term Debt Maturities Repayments Of Principal Total
LongTermDebtMaturitiesRepaymentsOfPrincipalTotal
23900000 USD
CY2015 wtm Memberscapitalcontribution
Memberscapitalcontribution
-29200000 USD
CY2016 wtm Memberscapitalcontribution
Memberscapitalcontribution
-38000000 USD
CY2017 wtm Memberscapitalcontribution
Memberscapitalcontribution
-37400000 USD
CY2017Q4 wtm Minimum Percentage Of Variation From Expected Price Required To Treat Prices Of Investments Provided By Pricing Services As Outliers
MinimumPercentageOfVariationFromExpectedPriceRequiredToTreatPricesOfInvestmentsProvidedByPricingServicesAsOutliers
0.05
CY2017Q4 wtm Minimum Variation From Expected Price Required To Treat Prices Of Investments Provided By Pricing Services As Outliers
MinimumVariationFromExpectedPriceRequiredToTreatPricesOfInvestmentsProvidedByPricingServicesAsOutliers
1000000 USD
CY2015 wtm Net Income Loss Attributableto Parent Basicand Diluted Earnings Per Share Numerators
NetIncomeLossAttributabletoParentBasicandDilutedEarningsPerShareNumerators
158200000 USD
CY2016 wtm Net Income Loss Attributableto Parent Basicand Diluted Earnings Per Share Numerators
NetIncomeLossAttributabletoParentBasicandDilutedEarningsPerShareNumerators
-120100000 USD
CY2017 wtm Net Income Loss Attributableto Parent Basicand Diluted Earnings Per Share Numerators
NetIncomeLossAttributabletoParentBasicandDilutedEarningsPerShareNumerators
49000000 USD
CY2015 wtm Net Realized And Unrealized Gain Loss And Foreign Currency Gain Loss On Trading Securities Net Of Tax
NetRealizedAndUnrealizedGainLossAndForeignCurrencyGainLossOnTradingSecuritiesNetOfTax
212800000 USD
CY2016 wtm Net Realized And Unrealized Gain Loss And Foreign Currency Gain Loss On Trading Securities Net Of Tax
NetRealizedAndUnrealizedGainLossAndForeignCurrencyGainLossOnTradingSecuritiesNetOfTax
-24700000 USD
CY2017 wtm Net Realized And Unrealized Gain Loss And Foreign Currency Gain Loss On Trading Securities Net Of Tax
NetRealizedAndUnrealizedGainLossAndForeignCurrencyGainLossOnTradingSecuritiesNetOfTax
120400000 USD
CY2015 wtm Net Realized Gain Lossand Foreign Currency Gain Losson Trading Securities Netof Tax
NetRealizedGainLossandForeignCurrencyGainLossonTradingSecuritiesNetofTax
23600000 USD
CY2016 wtm Net Realized Gain Lossand Foreign Currency Gain Losson Trading Securities Netof Tax
NetRealizedGainLossandForeignCurrencyGainLossonTradingSecuritiesNetofTax
224400000 USD
CY2017 wtm Net Realized Gain Lossand Foreign Currency Gain Losson Trading Securities Netof Tax
NetRealizedGainLossandForeignCurrencyGainLossonTradingSecuritiesNetofTax
15200000 USD
CY2015 wtm Net Realizedand Unrealized Gain Losson Trading Securities Netof Tax
NetRealizedandUnrealizedGainLossonTradingSecuritiesNetofTax
212800000 USD
CY2016 wtm Net Realizedand Unrealized Gain Losson Trading Securities Netof Tax
NetRealizedandUnrealizedGainLossonTradingSecuritiesNetofTax
-24700000 USD
CY2017 wtm Net Realizedand Unrealized Gain Losson Trading Securities Netof Tax
NetRealizedandUnrealizedGainLossonTradingSecuritiesNetofTax
120400000 USD
CY2015 wtm Net Unrealized Gain Loss And Foreign Currency Gain Loss On Trading Securities Net Of Tax
NetUnrealizedGainLossAndForeignCurrencyGainLossOnTradingSecuritiesNetOfTax
189200000 USD
CY2016 wtm Net Unrealized Gain Loss And Foreign Currency Gain Loss On Trading Securities Net Of Tax
NetUnrealizedGainLossAndForeignCurrencyGainLossOnTradingSecuritiesNetOfTax
-249100000 USD
CY2017 wtm Net Unrealized Gain Loss And Foreign Currency Gain Loss On Trading Securities Net Of Tax
NetUnrealizedGainLossAndForeignCurrencyGainLossOnTradingSecuritiesNetOfTax
105200000 USD
CY2015 wtm Net Unrealized Gain Lossand Foreign Currency Gain Losson Trading Securities
NetUnrealizedGainLossandForeignCurrencyGainLossonTradingSecurities
230500000 USD
CY2016 wtm Net Unrealized Gain Lossand Foreign Currency Gain Losson Trading Securities
NetUnrealizedGainLossandForeignCurrencyGainLossonTradingSecurities
-297400000 USD
CY2017 wtm Net Unrealized Gain Lossand Foreign Currency Gain Losson Trading Securities
NetUnrealizedGainLossandForeignCurrencyGainLossonTradingSecurities
109200000 USD
CY2015 wtm Net Unrealized Gain Lossand Foreign Currency Gain Losson Trading Securities Tax
NetUnrealizedGainLossandForeignCurrencyGainLossonTradingSecuritiesTax
41300000 USD
CY2016 wtm Net Unrealized Gain Lossand Foreign Currency Gain Losson Trading Securities Tax
NetUnrealizedGainLossandForeignCurrencyGainLossonTradingSecuritiesTax
-48300000 USD
CY2017 wtm Net Unrealized Gain Lossand Foreign Currency Gain Losson Trading Securities Tax
NetUnrealizedGainLossandForeignCurrencyGainLossonTradingSecuritiesTax
4000000 USD
CY2015 wtm Other Comprehensive Income Loss Discontinued Operations Netof Tax Portion Attributableto Parent
OtherComprehensiveIncomeLossDiscontinuedOperationsNetofTaxPortionAttributabletoParent
-65000000 USD
CY2016 wtm Other Comprehensive Income Loss Discontinued Operations Netof Tax Portion Attributableto Parent
OtherComprehensiveIncomeLossDiscontinuedOperationsNetofTaxPortionAttributabletoParent
146300000 USD
CY2017 wtm Other Comprehensive Income Loss Discontinued Operations Netof Tax Portion Attributableto Parent
OtherComprehensiveIncomeLossDiscontinuedOperationsNetofTaxPortionAttributabletoParent
3200000 USD
CY2015 wtm Other Comprehensive Income Loss Equityin Unrealized Gains Lossesfrom Investmentsin Unconsolidated Affiliates Tax Effect
OtherComprehensiveIncomeLossEquityinUnrealizedGainsLossesfromInvestmentsinUnconsolidatedAffiliatesTaxEffect
2900000 USD
CY2016 wtm Other Comprehensive Income Loss Equityin Unrealized Gains Lossesfrom Investmentsin Unconsolidated Affiliates Tax Effect
OtherComprehensiveIncomeLossEquityinUnrealizedGainsLossesfromInvestmentsinUnconsolidatedAffiliatesTaxEffect
0 USD
CY2017 wtm Other Comprehensive Income Loss Equityin Unrealized Gains Lossesfrom Investmentsin Unconsolidated Affiliates Tax Effect
OtherComprehensiveIncomeLossEquityinUnrealizedGainsLossesfromInvestmentsinUnconsolidatedAffiliatesTaxEffect
0 USD
CY2015 wtm Paymentofcontingentconsideration
Paymentofcontingentconsideration
0 USD
CY2016 wtm Paymentofcontingentconsideration
Paymentofcontingentconsideration
7800000 USD
CY2017 wtm Paymentofcontingentconsideration
Paymentofcontingentconsideration
0 USD
CY2015 wtm Payments To Acquire Trading Common Equity Securities
PaymentsToAcquireTradingCommonEquitySecurities
86400000 USD
CY2016 wtm Payments To Acquire Trading Common Equity Securities
PaymentsToAcquireTradingCommonEquitySecurities
278300000 USD
CY2017 wtm Payments To Acquire Trading Common Equity Securities
PaymentsToAcquireTradingCommonEquitySecurities
881200000 USD
CY2015 wtm Payments To Acquire Trading Fixed Maturity And Convertible Fixed Maturity Investments
PaymentsToAcquireTradingFixedMaturityAndConvertibleFixedMaturityInvestments
533700000 USD
CY2016 wtm Payments To Acquire Trading Fixed Maturity And Convertible Fixed Maturity Investments
PaymentsToAcquireTradingFixedMaturityAndConvertibleFixedMaturityInvestments
4407000000 USD
CY2017 wtm Payments To Acquire Trading Fixed Maturity And Convertible Fixed Maturity Investments
PaymentsToAcquireTradingFixedMaturityAndConvertibleFixedMaturityInvestments
2365200000 USD
CY2016 wtm Percentage Of Investments Recorded At Fair Value
PercentageOfInvestmentsRecordedAtFairValue
0.94
CY2017 wtm Percentage Of Investments Recorded At Fair Value
PercentageOfInvestmentsRecordedAtFairValue
0.94
CY2016 wtm Percentage Of Likelihood For Realization Of Benefit Upon Ultimate Settlement
PercentageOfLikelihoodForRealizationOfBenefitUponUltimateSettlement
0.50
CY2017Q4 wtm Percentage Of Par Value Of Policy Reinsured
PercentageOfParValueOfPolicyReinsured
0.15
CY2017Q4 wtm Percentage Of Par Value Of Policy Reinsured
PercentageOfParValueOfPolicyReinsured
0.15
CY2017Q4 wtm Percentageof Risk Premium Ceded
PercentageofRiskPremiumCeded
0.6
CY2017 wtm Percentageofdiscountedfuturecashflows
Percentageofdiscountedfuturecashflows
0.1
CY2015 wtm Proceeds From Maturities Of Trading Fixed Maturity And Convertible Fixed Maturity Investments
ProceedsFromMaturitiesOfTradingFixedMaturityAndConvertibleFixedMaturityInvestments
72600000 USD
CY2016 wtm Proceeds From Maturities Of Trading Fixed Maturity And Convertible Fixed Maturity Investments
ProceedsFromMaturitiesOfTradingFixedMaturityAndConvertibleFixedMaturityInvestments
253400000 USD
CY2017 wtm Proceeds From Maturities Of Trading Fixed Maturity And Convertible Fixed Maturity Investments
ProceedsFromMaturitiesOfTradingFixedMaturityAndConvertibleFixedMaturityInvestments
213400000 USD
CY2015 wtm Proceeds From Sale Of Trading Common Equity Securities
ProceedsFromSaleOfTradingCommonEquitySecurities
115800000 USD
CY2016 wtm Proceeds From Sale Of Trading Common Equity Securities
ProceedsFromSaleOfTradingCommonEquitySecurities
815900000 USD
CY2017 wtm Proceeds From Sale Of Trading Common Equity Securities
ProceedsFromSaleOfTradingCommonEquitySecurities
424100000 USD
CY2015 wtm Proceeds From Sale Of Trading Fixed Maturity And Convertible Fixed Maturity Investments
ProceedsFromSaleOfTradingFixedMaturityAndConvertibleFixedMaturityInvestments
518200000 USD
CY2016 wtm Proceeds From Sale Of Trading Fixed Maturity And Convertible Fixed Maturity Investments
ProceedsFromSaleOfTradingFixedMaturityAndConvertibleFixedMaturityInvestments
2605800000 USD
CY2017 wtm Proceeds From Sale Of Trading Fixed Maturity And Convertible Fixed Maturity Investments
ProceedsFromSaleOfTradingFixedMaturityAndConvertibleFixedMaturityInvestments
2124400000 USD
CY2015 wtm Proceedsfrom Saleand Maturityof Trading Securities Heldforinvestment Excluding Short Term Securities
ProceedsfromSaleandMaturityofTradingSecuritiesHeldforinvestmentExcludingShortTermSecurities
750700000 USD
CY2016 wtm Proceedsfrom Saleand Maturityof Trading Securities Heldforinvestment Excluding Short Term Securities
ProceedsfromSaleandMaturityofTradingSecuritiesHeldforinvestmentExcludingShortTermSecurities
3692400000 USD
CY2017 wtm Proceedsfrom Saleand Maturityof Trading Securities Heldforinvestment Excluding Short Term Securities
ProceedsfromSaleandMaturityofTradingSecuritiesHeldforinvestmentExcludingShortTermSecurities
2791300000 USD
CY2015 wtm Proceedspaidtononcontrollingshareholdersfromthesaleofasubsidiary
Proceedspaidtononcontrollingshareholdersfromthesaleofasubsidiary
0 USD
CY2016 wtm Proceedspaidtononcontrollingshareholdersfromthesaleofasubsidiary
Proceedspaidtononcontrollingshareholdersfromthesaleofasubsidiary
141600000 USD
CY2017 wtm Proceedspaidtononcontrollingshareholdersfromthesaleofasubsidiary
Proceedspaidtononcontrollingshareholdersfromthesaleofasubsidiary
0 USD
CY2015 wtm Stock Issued During Period To Directors
StockIssuedDuringPeriodToDirectors
1376 shares
CY2016 wtm Stock Issued During Period To Directors
StockIssuedDuringPeriodToDirectors
1735 shares
CY2017 wtm Stock Issued During Period To Directors
StockIssuedDuringPeriodToDirectors
1959 shares
CY2016 wtm Stock Issued In Satisfactionof Performance Shares
StockIssuedInSatisfactionofPerformanceShares
5000 shares
CY2015 wtm Taxon Net Realized Gain Lossand Foreign Currency Gain Losson Trading Securities
TaxonNetRealizedGainLossandForeignCurrencyGainLossonTradingSecurities
6400000 USD
CY2016 wtm Taxon Net Realized Gain Lossand Foreign Currency Gain Losson Trading Securities
TaxonNetRealizedGainLossandForeignCurrencyGainLossonTradingSecurities
45600000 USD
CY2017 wtm Taxon Net Realized Gain Lossand Foreign Currency Gain Losson Trading Securities
TaxonNetRealizedGainLossandForeignCurrencyGainLossonTradingSecurities
8900000 USD
CY2015 wtm Taxonnetrealizedandunrealizedgainslosstradingsecurities
Taxonnetrealizedandunrealizedgainslosstradingsecurities
47700000 USD
CY2016 wtm Taxonnetrealizedandunrealizedgainslosstradingsecurities
Taxonnetrealizedandunrealizedgainslosstradingsecurities
-2700000 USD
CY2017 wtm Taxonnetrealizedandunrealizedgainslosstradingsecurities
Taxonnetrealizedandunrealizedgainslosstradingsecurities
12900000 USD
CY2017Q4 wtm Trading Securities Amortized Cost
TradingSecuritiesAmortizedCost
2117200000 USD
CY2015 wtm Trading Securities Realized Foreign Currency Gain Loss Netof Tax
TradingSecuritiesRealizedForeignCurrencyGainLossNetofTax
0 USD
CY2016 wtm Trading Securities Realized Foreign Currency Gain Loss Netof Tax
TradingSecuritiesRealizedForeignCurrencyGainLossNetofTax
300000 USD
CY2017 wtm Trading Securities Realized Foreign Currency Gain Loss Netof Tax
TradingSecuritiesRealizedForeignCurrencyGainLossNetofTax
-11200000 USD
CY2015 wtm Trading Securities Realized Gain Loss Total
TradingSecuritiesRealizedGainLossTotal
30000000 USD
CY2016 wtm Trading Securities Realized Gain Loss Total
TradingSecuritiesRealizedGainLossTotal
270000000 USD
CY2017 wtm Trading Securities Realized Gain Loss Total
TradingSecuritiesRealizedGainLossTotal
24100000 USD
CY2015 wtm Trading Securities Realized Holding Gain Losson Investmentsafter Tax
TradingSecuritiesRealizedHoldingGainLossonInvestmentsafterTax
23600000 USD
CY2016 wtm Trading Securities Realized Holding Gain Losson Investmentsafter Tax
TradingSecuritiesRealizedHoldingGainLossonInvestmentsafterTax
224100000 USD
CY2017 wtm Trading Securities Realized Holding Gain Losson Investmentsafter Tax
TradingSecuritiesRealizedHoldingGainLossonInvestmentsafterTax
26400000 USD
CY2015 wtm Trading Securities Taxon Realized Foreign Currency Transaction Gain Loss Tax
TradingSecuritiesTaxonRealizedForeignCurrencyTransactionGainLossTax
0 USD
CY2016 wtm Trading Securities Taxon Realized Foreign Currency Transaction Gain Loss Tax
TradingSecuritiesTaxonRealizedForeignCurrencyTransactionGainLossTax
0 USD
CY2017 wtm Trading Securities Taxon Realized Foreign Currency Transaction Gain Loss Tax
TradingSecuritiesTaxonRealizedForeignCurrencyTransactionGainLossTax
0 USD
CY2015 wtm Trading Securities Taxon Unrealized Holding Gain Losson Investments
TradingSecuritiesTaxonUnrealizedHoldingGainLossonInvestments
41300000 USD
CY2016 wtm Trading Securities Taxon Unrealized Holding Gain Losson Investments
TradingSecuritiesTaxonUnrealizedHoldingGainLossonInvestments
-48300000 USD
CY2017 wtm Trading Securities Taxon Unrealized Holding Gain Losson Investments
TradingSecuritiesTaxonUnrealizedHoldingGainLossonInvestments
4000000 USD
CY2015 wtm Trading Securities Unrealized Foreign Currency Gain Loss Net Of Tax
TradingSecuritiesUnrealizedForeignCurrencyGainLossNetOfTax
-5000000 USD
CY2016 wtm Trading Securities Unrealized Foreign Currency Gain Loss Net Of Tax
TradingSecuritiesUnrealizedForeignCurrencyGainLossNetOfTax
-2700000 USD
CY2017 wtm Trading Securities Unrealized Foreign Currency Gain Loss Net Of Tax
TradingSecuritiesUnrealizedForeignCurrencyGainLossNetOfTax
11700000 USD
CY2015 wtm Trading Securities Unrealized Foreign Currency Transaction Gain Loss Tax
TradingSecuritiesUnrealizedForeignCurrencyTransactionGainLossTax
0 USD
CY2016 wtm Trading Securities Unrealized Foreign Currency Transaction Gain Loss Tax
TradingSecuritiesUnrealizedForeignCurrencyTransactionGainLossTax
0 USD
CY2017 wtm Trading Securities Unrealized Foreign Currency Transaction Gain Loss Tax
TradingSecuritiesUnrealizedForeignCurrencyTransactionGainLossTax
0 USD
CY2015 wtm Trading Securities Unrealized Holding Gain Losson Investmentsafter Tax
TradingSecuritiesUnrealizedHoldingGainLossonInvestmentsafterTax
194200000 USD
CY2016 wtm Trading Securities Unrealized Holding Gain Losson Investmentsafter Tax
TradingSecuritiesUnrealizedHoldingGainLossonInvestmentsafterTax
-246400000 USD
CY2017 wtm Trading Securities Unrealized Holding Gain Losson Investmentsafter Tax
TradingSecuritiesUnrealizedHoldingGainLossonInvestmentsafterTax
93500000 USD
CY2015 wtm Tradingsecurities Taxon Realized Holding Gain Losson Investments
TradingsecuritiesTaxonRealizedHoldingGainLossonInvestments
6400000 USD
CY2016 wtm Tradingsecurities Taxon Realized Holding Gain Losson Investments
TradingsecuritiesTaxonRealizedHoldingGainLossonInvestments
45600000 USD
CY2017 wtm Tradingsecurities Taxon Realized Holding Gain Losson Investments
TradingsecuritiesTaxonRealizedHoldingGainLossonInvestments
8900000 USD
CY2017 us-gaap Derivatives Reporting Of Derivative Activity
DerivativesReportingOfDerivativeActivity
<div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;font-style:italic;font-weight:bold;">Derivatives </font></div><div style="line-height:120%;text-indent:24px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;font-style:italic;">Financial Instruments: </font><font style="font-family:inherit;font-size:10pt;">White Mountains holds from time to time a variety of derivative financial instruments for risk management purposes. White Mountains recognizes all derivatives as either other assets or other liabilities, aside from the foreign currency forward contracts which are recognized within other long-term investments, measured at fair value, in the consolidated balance sheets. Changes in the fair value of derivative instruments are recognized in current period pre-tax income.</font></div></div>
CY2017 us-gaap Revenue Recognition Deferred Revenue
RevenueRecognitionDeferredRevenue
<div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;font-style:italic;font-weight:bold;">Revenue Recognition</font></div><div style="line-height:120%;text-align:left;text-indent:24px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">White Mountains recognizes advertising and publishing fee revenues based on the contractual amount of the fees, adjusted for any amounts expected to be refunded or uncollectible, when it has satisfied its contractual performance obligations, which is generally at the time each transaction is executed. For transactions where MediaAlpha acts as the principal, such as the Buyer and Open exchanges, revenue amounts are reported gross. For transactions where MediaAlpha acts as an agent facilitating transactions between third parties, revenue amounts are reported at the net fee billed.</font></div><div style="line-height:120%;text-align:left;text-indent:24px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">Agent and commission revenues are measured based on the contractual rates with insurance carriers, net of any amounts expected to be uncollectible and any amounts associated with expected policy cancellations adjustments, and are recognized when contractual performance obligations have been fulfilled.</font></div></div>
CY2017 us-gaap Use Of Estimates
UseOfEstimates
<div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;font-style:italic;font-weight:bold;">Use of Estimates</font></div><div style="line-height:120%;text-indent:24px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">The preparation of financial statements in conformity with GAAP requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities as of the date of the financial statements and the reported amounts of revenues and expenses during the reporting period. Actual results could differ from those estimates.</font></div></div>

Files In Submission

Name View Source Status
0000776867-18-000002-index-headers.html Edgar Link pending
0000776867-18-000002-index.html Edgar Link pending
0000776867-18-000002.txt Edgar Link pending
0000776867-18-000002-xbrl.zip Edgar Link pending
FilingSummary.xml Edgar Link unprocessable
Financial_Report.xlsx Edgar Link pending
R1.htm Edgar Link pending
R10.htm Edgar Link pending
R100.htm Edgar Link pending
R101.htm Edgar Link pending
R102.htm Edgar Link pending
R103.htm Edgar Link pending
R104.htm Edgar Link pending
R105.htm Edgar Link pending
R106.htm Edgar Link pending
R107.htm Edgar Link pending
R108.htm Edgar Link pending
R109.htm Edgar Link pending
R11.htm Edgar Link pending
R110.htm Edgar Link pending
R111.htm Edgar Link pending
R112.htm Edgar Link pending
R113.htm Edgar Link pending
R114.htm Edgar Link pending
R115.htm Edgar Link pending
R116.htm Edgar Link pending
R117.htm Edgar Link pending
R118.htm Edgar Link pending
R119.htm Edgar Link pending
R12.htm Edgar Link pending
R120.htm Edgar Link pending
R121.htm Edgar Link pending
R122.htm Edgar Link pending
R123.htm Edgar Link pending
R124.htm Edgar Link pending
R125.htm Edgar Link pending
R126.htm Edgar Link pending
R127.htm Edgar Link pending
R128.htm Edgar Link pending
R129.htm Edgar Link pending
R13.htm Edgar Link pending
R130.htm Edgar Link pending
R131.htm Edgar Link pending
R132.htm Edgar Link pending
R133.htm Edgar Link pending
R134.htm Edgar Link pending
R135.htm Edgar Link pending
R136.htm Edgar Link pending
R137.htm Edgar Link pending
R138.htm Edgar Link pending
R139.htm Edgar Link pending
R14.htm Edgar Link pending
R140.htm Edgar Link pending
R141.htm Edgar Link pending
R15.htm Edgar Link pending
R16.htm Edgar Link pending
R17.htm Edgar Link pending
R18.htm Edgar Link pending
R19.htm Edgar Link pending
R2.htm Edgar Link pending
R20.htm Edgar Link pending
R21.htm Edgar Link pending
R22.htm Edgar Link pending
R23.htm Edgar Link pending
R24.htm Edgar Link pending
R25.htm Edgar Link pending
R26.htm Edgar Link pending
R27.htm Edgar Link pending
R28.htm Edgar Link pending
R29.htm Edgar Link pending
R3.htm Edgar Link pending
R30.htm Edgar Link pending
R31.htm Edgar Link pending
R32.htm Edgar Link pending
R33.htm Edgar Link pending
R34.htm Edgar Link pending
R35.htm Edgar Link pending
R36.htm Edgar Link pending
R37.htm Edgar Link pending
R38.htm Edgar Link pending
R39.htm Edgar Link pending
R4.htm Edgar Link pending
R40.htm Edgar Link pending
R41.htm Edgar Link pending
R42.htm Edgar Link pending
R43.htm Edgar Link pending
R44.htm Edgar Link pending
R45.htm Edgar Link pending
R46.htm Edgar Link pending
R47.htm Edgar Link pending
R48.htm Edgar Link pending
R49.htm Edgar Link pending
R5.htm Edgar Link pending
R50.htm Edgar Link pending
R51.htm Edgar Link pending
R52.htm Edgar Link pending
R53.htm Edgar Link pending
R54.htm Edgar Link pending
R55.htm Edgar Link pending
R56.htm Edgar Link pending
R57.htm Edgar Link pending
R58.htm Edgar Link pending
R59.htm Edgar Link pending
R6.htm Edgar Link pending
R60.htm Edgar Link pending
R61.htm Edgar Link pending
R62.htm Edgar Link pending
R63.htm Edgar Link pending
R64.htm Edgar Link pending
R65.htm Edgar Link pending
R66.htm Edgar Link pending
R67.htm Edgar Link pending
R68.htm Edgar Link pending
R69.htm Edgar Link pending
R7.htm Edgar Link pending
R70.htm Edgar Link pending
R71.htm Edgar Link pending
R72.htm Edgar Link pending
R73.htm Edgar Link pending
R74.htm Edgar Link pending
R75.htm Edgar Link pending
R76.htm Edgar Link pending
R77.htm Edgar Link pending
R78.htm Edgar Link pending
R79.htm Edgar Link pending
R8.htm Edgar Link pending
R80.htm Edgar Link pending
R81.htm Edgar Link pending
R82.htm Edgar Link pending
R83.htm Edgar Link pending
R84.htm Edgar Link pending
R85.htm Edgar Link pending
R86.htm Edgar Link pending
R87.htm Edgar Link pending
R88.htm Edgar Link pending
R89.htm Edgar Link pending
R9.htm Edgar Link pending
R90.htm Edgar Link pending
R91.htm Edgar Link pending
R92.htm Edgar Link pending
R93.htm Edgar Link pending
R94.htm Edgar Link pending
R95.htm Edgar Link pending
R96.htm Edgar Link pending
R97.htm Edgar Link pending
R98.htm Edgar Link pending
R99.htm Edgar Link pending
report.css Edgar Link pending
Show.js Edgar Link pending
wtm-20171231.xml Edgar Link completed
wtm-20171231.xsd Edgar Link pending
wtm-20171231_cal.xml Edgar Link unprocessable
wtm-20171231_def.xml Edgar Link unprocessable
wtm-20171231_lab.xml Edgar Link unprocessable
wtm-20171231_pre.xml Edgar Link unprocessable
wtm10-k2016ex311.htm Edgar Link pending
wtm10-k2016ex312.htm Edgar Link pending
wtm10-k2016ex321.htm Edgar Link pending
wtm10-k2016ex322.htm Edgar Link pending
wtm10-k2017.htm Edgar Link pending
wtm10-k2017ex12.htm Edgar Link pending
wtm10-k2017ex21.htm Edgar Link pending
wtm10-k2017ex23.htm Edgar Link pending
wtm10-k2017ex24.htm Edgar Link pending
wtm10k123115charta08.jpg Edgar Link pending