Annual report pursuant to Section 13 and 15(d)

Income Taxes, Income Tax Reconciliation and Allocation of Income Tax Provision (Details)

v2.4.1.9
Income Taxes, Income Tax Reconciliation and Allocation of Income Tax Provision (Details) (USD $)
In Millions, unless otherwise specified
12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Income Tax Disclosure [Abstract]      
Possible decrease in unrecognized tax benefits in 2015 $ 0.3us-gaap_SignificantChangeInUnrecognizedTaxBenefitsIsReasonablyPossibleAmountOfUnrecordedBenefit    
Income Tax Expense (Benefit), Continuing Operations, Income Tax Reconciliation [Abstract]      
Income tax provision at 35 percent 100.7us-gaap_IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate 73.1us-gaap_IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate 54.6us-gaap_IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate
State and local income taxes, net of Federal income tax effect 6.4us-gaap_IncomeTaxReconciliationStateAndLocalIncomeTaxes 2.5us-gaap_IncomeTaxReconciliationStateAndLocalIncomeTaxes (0.6)us-gaap_IncomeTaxReconciliationStateAndLocalIncomeTaxes
Deferred tax asset valuation allowance (7.6)us-gaap_IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance (595.2)us-gaap_IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance (25.0)us-gaap_IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance
Income attributable to domestic production activities (8.8)bc_IncomeAttributableToDomesticProductionActivities (3.8)bc_IncomeAttributableToDomesticProductionActivities (2.8)bc_IncomeAttributableToDomesticProductionActivities
Impairment of equity method investment 4.0us-gaap_IncomeTaxReconciliationDispositionOfAssets 0us-gaap_IncomeTaxReconciliationDispositionOfAssets 0us-gaap_IncomeTaxReconciliationDispositionOfAssets
Change in estimates related to prior years and prior years amended tax return filings (1.4)us-gaap_IncomeTaxReconciliationPriorYearIncomeTaxes 3.3us-gaap_IncomeTaxReconciliationPriorYearIncomeTaxes (1.8)us-gaap_IncomeTaxReconciliationPriorYearIncomeTaxes
Federal and state tax credits (7.6)us-gaap_IncomeTaxReconciliationTaxCredits (14.7)us-gaap_IncomeTaxReconciliationTaxCredits (0.3)us-gaap_IncomeTaxReconciliationTaxCredits
Taxes related to foreign income, net of credits 5.2us-gaap_IncomeTaxReconciliationForeignIncomeTaxRateDifferential 2.3us-gaap_IncomeTaxReconciliationForeignIncomeTaxRateDifferential 6.6us-gaap_IncomeTaxReconciliationForeignIncomeTaxRateDifferential
Taxes related to unremitted earnings (5.5)bc_IncomeTaxReconciliationTaxesRelatedToUnremittedEarnings (5.3)bc_IncomeTaxReconciliationTaxesRelatedToUnremittedEarnings (3.4)bc_IncomeTaxReconciliationTaxesRelatedToUnremittedEarnings
Tax reserve reassessment (0.3)us-gaap_IncomeTaxReconciliationTaxContingencies (12.8)us-gaap_IncomeTaxReconciliationTaxContingencies 3.7us-gaap_IncomeTaxReconciliationTaxContingencies
Deferred tax reassessment 3.5bc_EffectiveIncomeTaxRateReconciliationDeferredtaxasset (1.6)bc_EffectiveIncomeTaxRateReconciliationDeferredtaxasset (0.6)bc_EffectiveIncomeTaxRateReconciliationDeferredtaxasset
Other 4.4us-gaap_IncomeTaxReconciliationOtherAdjustments 4.3us-gaap_IncomeTaxReconciliationOtherAdjustments 1.0us-gaap_IncomeTaxReconciliationOtherAdjustments
Income tax provision (benefit) 93.0us-gaap_IncomeTaxExpenseBenefit (547.9)us-gaap_IncomeTaxExpenseBenefit 31.4us-gaap_IncomeTaxExpenseBenefit
Effective tax rate 32.30%us-gaap_EffectiveIncomeTaxRateContinuingOperations   20.10%us-gaap_EffectiveIncomeTaxRateContinuingOperations
Federal statutory tax rate 35.00%us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate 35.00%us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate 35.00%us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate
Income Tax Expense (Benefit), Intraperiod Tax Allocation [Abstract]      
Continuing operations 93.0us-gaap_IncomeTaxExpenseBenefit (547.9)us-gaap_IncomeTaxExpenseBenefit 31.4us-gaap_IncomeTaxExpenseBenefit
Discontinued operations 11.0us-gaap_DiscontinuedOperationTaxEffectOfDiscontinuedOperation (0.1)us-gaap_DiscontinuedOperationTaxEffectOfDiscontinuedOperation 2.9us-gaap_DiscontinuedOperationTaxEffectOfDiscontinuedOperation
Total tax provision (benefit) $ 104.0us-gaap_IncomeTaxExpenseBenefitIntraperiodTaxAllocation $ (548.0)us-gaap_IncomeTaxExpenseBenefitIntraperiodTaxAllocation $ 34.3us-gaap_IncomeTaxExpenseBenefitIntraperiodTaxAllocation