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Income Taxes - Reconciliation of Statutory Tax Rate to Effective Tax Rate (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Reconciliation in dollars [Abstract]
Statutory U.S. federal income tax	$ 61.2us-gaap_IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	$ 44.8us-gaap_IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	$ 80.2us-gaap_IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate
State income taxes, net of federal benefit	1.1us-gaap_IncomeTaxReconciliationStateAndLocalIncomeTaxes	1.7us-gaap_IncomeTaxReconciliationStateAndLocalIncomeTaxes	4.5us-gaap_IncomeTaxReconciliationStateAndLocalIncomeTaxes
Foreign repatriation, net of foreign tax credits	13.5us-gaap_IncomeTaxReconciliationRepatriationOfForeignEarnings	(16.0)us-gaap_IncomeTaxReconciliationRepatriationOfForeignEarnings	48.1us-gaap_IncomeTaxReconciliationRepatriationOfForeignEarnings
Foreign tax differential	(12.6)us-gaap_IncomeTaxReconciliationForeignIncomeTaxRateDifferential	(12.3)us-gaap_IncomeTaxReconciliationForeignIncomeTaxRateDifferential	(9.7)us-gaap_IncomeTaxReconciliationForeignIncomeTaxRateDifferential
Change in valuation allowances	(17.7)us-gaap_IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance	20.4us-gaap_IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance	(2.8)us-gaap_IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance
Uncertain tax positions	10.9us-gaap_IncomeTaxReconciliationTaxContingencies	4.7us-gaap_IncomeTaxReconciliationTaxContingencies	2.6us-gaap_IncomeTaxReconciliationTaxContingencies
Subpart F income	1.9us-gaap_IncomeTaxReconciliationTaxContingenciesForeign	1.5us-gaap_IncomeTaxReconciliationTaxContingenciesForeign	4.1us-gaap_IncomeTaxReconciliationTaxContingenciesForeign
Manufacturing deduction	(3.7)us-gaap_IncomeTaxReconciliationDeductionsQualifiedProductionActivities	0.1us-gaap_IncomeTaxReconciliationDeductionsQualifiedProductionActivities	(3.8)us-gaap_IncomeTaxReconciliationDeductionsQualifiedProductionActivities
Goodwill on disposal of business	7.5us-gaap_IncomeTaxReconciliationDispositionOfBusiness	0us-gaap_IncomeTaxReconciliationDispositionOfBusiness	0us-gaap_IncomeTaxReconciliationDispositionOfBusiness
Permanent and other	2.8us-gaap_IncomeTaxReconciliationOtherAdjustments	4.2us-gaap_IncomeTaxReconciliationOtherAdjustments	(0.8)us-gaap_IncomeTaxReconciliationOtherAdjustments
Effective income tax provision	$ 64.9us-gaap_IncomeTaxExpenseBenefit	$ 49.1us-gaap_IncomeTaxExpenseBenefit	$ 122.4us-gaap_IncomeTaxExpenseBenefit
Reconciliation in percentages [Abstract]
Statutory U.S. federal income tax (percentage)	35.00%us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	35.00%us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	35.00%us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate
State income taxes, net of federal benefit (percentage)	0.60%us-gaap_EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	1.30%us-gaap_EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	2.00%us-gaap_EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes
Foreign repatriation, net of foreign tax credits (percentage)	7.70%us-gaap_EffectiveIncomeTaxRateReconciliationRepatriationOfForeignEarnings	(12.60%)us-gaap_EffectiveIncomeTaxRateReconciliationRepatriationOfForeignEarnings	21.00%us-gaap_EffectiveIncomeTaxRateReconciliationRepatriationOfForeignEarnings
Foreign tax differential (percentage)	(7.20%)us-gaap_EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential	(9.60%)us-gaap_EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential	(4.20%)us-gaap_EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential
Change in valuation allowance (percentage)	(10.00%)us-gaap_EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance	15.90%us-gaap_EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance	(1.20%)us-gaap_EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance
Uncertain tax positions (percentage)	6.10%us-gaap_EffectiveIncomeTaxRateReconciliationTaxContingencies	3.70%us-gaap_EffectiveIncomeTaxRateReconciliationTaxContingencies	1.10%us-gaap_EffectiveIncomeTaxRateReconciliationTaxContingencies
Subpart F income (percentage)	1.10%us-gaap_EffectiveIncomeTaxRateReconciliationTaxContingenciesForeign	1.20%us-gaap_EffectiveIncomeTaxRateReconciliationTaxContingenciesForeign	1.80%us-gaap_EffectiveIncomeTaxRateReconciliationTaxContingenciesForeign
Manufacturing deduction (percentage)	(2.10%)us-gaap_EffectiveIncomeTaxRateReconciliationDeductionsQualifiedProductionActivities	0.00%us-gaap_EffectiveIncomeTaxRateReconciliationDeductionsQualifiedProductionActivities	(1.70%)us-gaap_EffectiveIncomeTaxRateReconciliationDeductionsQualifiedProductionActivities
Goodwill on disposal of business (percentage)	4.20%us-gaap_EffectiveIncomeTaxRateReconciliationDispositionOfBusiness	0.00%us-gaap_EffectiveIncomeTaxRateReconciliationDispositionOfBusiness	0.00%us-gaap_EffectiveIncomeTaxRateReconciliationDispositionOfBusiness
Permanent and other (percentage)	1.70%us-gaap_EffectiveIncomeTaxRateReconciliationOtherAdjustments	3.50%us-gaap_EffectiveIncomeTaxRateReconciliationOtherAdjustments	(0.40%)us-gaap_EffectiveIncomeTaxRateReconciliationOtherAdjustments
Effective income tax provision (percentage)	37.10%us-gaap_EffectiveIncomeTaxRateContinuingOperations	38.40%us-gaap_EffectiveIncomeTaxRateContinuingOperations	53.40%us-gaap_EffectiveIncomeTaxRateContinuingOperations

X

- Definition

Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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