Annual report pursuant to Section 13 and 15(d)

Financial Instruments Financial Instruments, Schedule of Cash Flow Hedges Included in Accumulated Other Comprehensive Income (Loss) (Details)

v2.4.1.9
Financial Instruments Financial Instruments, Schedule of Cash Flow Hedges Included in Accumulated Other Comprehensive Income (Loss) (Details) (USD $)
In Millions, unless otherwise specified
12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Derivatives Qualifying as Hedges, Net of Tax [Roll Forward]      
Beginning balance, After-tax $ (11.3)us-gaap_AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectNetOfTax    
Net change in value of outstanding hedges, After-tax 4.4us-gaap_OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax [1] (5.3)us-gaap_OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax [1] (10.0)us-gaap_OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax [1]
Net amount recognized into earnings (loss), After-tax (1.4)us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax [2] (4.7)us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax [2] (3.6)us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax [2]
Ending balance, After-tax (5.5)us-gaap_AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectNetOfTax (11.3)us-gaap_AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectNetOfTax  
Cash Flow Hedging [Member]      
Derivatives Qualifying as Hedges, before Tax [Roll Forward]      
Beginning balance, Pretax (7.5)bc_AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectBeforeTaxes
/ us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis
= us-gaap_CashFlowHedgingMember
(7.3)bc_AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectBeforeTaxes
/ us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis
= us-gaap_CashFlowHedgingMember
 
Net change in value of outstanding hedges, Pretax 6.5us-gaap_OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodBeforeTax
/ us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis
= us-gaap_CashFlowHedgingMember
(4.5)us-gaap_OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodBeforeTax
/ us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis
= us-gaap_CashFlowHedgingMember
 
Net amount recognized into earnings (loss), Pretax 2.2us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesBeforeTax
/ us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis
= us-gaap_CashFlowHedgingMember
4.3us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesBeforeTax
/ us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis
= us-gaap_CashFlowHedgingMember
 
Ending balance, Pretax 1.2bc_AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectBeforeTaxes
/ us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis
= us-gaap_CashFlowHedgingMember
(7.5)bc_AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectBeforeTaxes
/ us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis
= us-gaap_CashFlowHedgingMember
 
Derivatives Qualifying as Hedges, Net of Tax [Roll Forward]      
Beginning balance, After-tax (11.3)us-gaap_AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectNetOfTax
/ us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis
= us-gaap_CashFlowHedgingMember
(10.7)us-gaap_AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectNetOfTax
/ us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis
= us-gaap_CashFlowHedgingMember
 
Net change in value of outstanding hedges, After-tax 4.4us-gaap_OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax
/ us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis
= us-gaap_CashFlowHedgingMember
(5.3)us-gaap_OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax
/ us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis
= us-gaap_CashFlowHedgingMember
 
Net amount recognized into earnings (loss), After-tax 1.4us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax
/ us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis
= us-gaap_CashFlowHedgingMember
4.7us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax
/ us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis
= us-gaap_CashFlowHedgingMember
 
Ending balance, After-tax $ (5.5)us-gaap_AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectNetOfTax
/ us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis
= us-gaap_CashFlowHedgingMember
$ (11.3)us-gaap_AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectNetOfTax
/ us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis
= us-gaap_CashFlowHedgingMember
 
[1] The tax effects for the year ended December 31, 2014 were $8.9 million for foreign currency translation, $53.2 million for net actuarial gains (losses) arising during the period and $(2.1) million for derivatives. The tax effects for the year ended December 31, 2013 were$0.0 million for foreign currency translation, $0.4 million for net actuarial gains (losses) arising during the period and $(0.8) million for derivatives. The tax effects for the year ended December 31, 2012 were $0.0 million for foreign currency translation, $1.0 million for net actuarial gains (losses) arising during the period and $0.0 million for derivatives. Pre-tax and after-tax amounts for the years ended December 31, 2013 and 2012 are substantially the same as the Company maintained a tax valuation allowance for these items until its reversal at December 31, 2013. See Note 12 – Income Taxes and Note 19 – Comprehensive Income for additional details.
[2] See Note 19 – Comprehensive Income for the tax effects for the years ended December 31, 2014 and December 31, 2013. The pre-tax and after-tax amounts for the year ended December 31, 2012 for foreign currency translation, investments and derivatives are the same as the Company maintained a valuation allowance for these items until its reversal at December 31, 2013. The tax effect for defined benefit plans was $(0.1) million for the year ended December 31, 2012, primarily related to certain foreign defined benefit plans as all other defined benefit plans included corresponding tax valuation allowance adjustments. See Note 12 – Income Taxes for additional details.