Income Taxes - Schedule of Income Taxes and Provision for Income Taxes (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Income before income taxes:
U.S.	$ 163.8	$ 149.8	$ 137.4
International	133.5	112.8	100.3
Income before income taxes and equity in earnings	297.3	262.6	237.7
Current:
U.S.	21.5us-gaap_CurrentFederalTaxExpenseBenefit	30.5us-gaap_CurrentFederalTaxExpenseBenefit	36.9us-gaap_CurrentFederalTaxExpenseBenefit
International	28.1us-gaap_CurrentForeignTaxExpenseBenefit	29.2us-gaap_CurrentForeignTaxExpenseBenefit	20.7us-gaap_CurrentForeignTaxExpenseBenefit
Current provision for income taxes	49.6us-gaap_CurrentIncomeTaxExpenseBenefit	59.7us-gaap_CurrentIncomeTaxExpenseBenefit	57.6us-gaap_CurrentIncomeTaxExpenseBenefit
Deferred:
U.S.	34.4	13.1	10.4
International	5.3	3.2	6.1
Deferred provision for income taxes	39.7us-gaap_DeferredIncomeTaxExpenseBenefit	16.3us-gaap_DeferredIncomeTaxExpenseBenefit	16.5us-gaap_DeferredIncomeTaxExpenseBenefit
Total provision for income taxes	$ 89.3us-gaap_IncomeTaxExpenseBenefit	$ 76.0us-gaap_IncomeTaxExpenseBenefit	$ 74.1us-gaap_IncomeTaxExpenseBenefit

Amount of current federal tax expense (benefit) pertaining to income (loss) from continuing operations.

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The portion of earnings or loss from continuing operations before income taxes that is attributable to domestic operations.

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