Condensed Consolidated Statements of Comprehensive Income (USD $) In Millions, unless otherwise specified	3 Months Ended
Mar. 31, 2015	Mar. 31, 2014
Net income	$ 35.7us-gaap_ProfitLoss	$ 131.1us-gaap_ProfitLoss
Other comprehensive (loss) income before tax:
Change in cumulative translation adjustments	(110.8)	(1.6)
Net change in unrealized components of defined benefit plans	2.2	(0.1)
Other comprehensive loss, before tax	(108.6)	(1.7)
Cost for taxes related to defined benefit pension plan	(0.7)us-gaap_OtherComprehensiveIncomeLossTax	0us-gaap_OtherComprehensiveIncomeLossTax
Other comprehensive loss, net of tax	(109.3)	(1.7)
Comprehensive income	(73.6)	129.4
Less: Comprehensive income attributable to non-controlling interest	0	0.4
Comprehensive income attributable to controlling interest	$ (73.6)us-gaap_ComprehensiveIncomeNetOfTax	$ 129.0us-gaap_ComprehensiveIncomeNetOfTax

Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interests

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Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners.

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Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income (loss) and other comprehensive income (loss), attributable to noncontrolling interests. Excludes changes in equity resulting from investments by owners and distributions to owners.

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Amount before tax, after reclassification adjustments of other comprehensive income (loss).

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Amount before tax, after reclassification adjustments of gain (loss) on foreign currency translation adjustments, foreign currency transactions designated and effective as economic hedges of a net investment in a foreign entity and intra-entity foreign currency transactions that are of a long-term-investment nature.

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Amount after tax and reclassification adjustments of other comprehensive income (loss).

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Amount before tax, after reclassification adjustments, of (increase) decrease in accumulated other comprehensive (income) loss related to pension and other postretirement defined benefit plans.

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Amount of tax expense (benefit) allocated to other comprehensive income (loss).

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The consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest.

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