Consolidated Statements of Comprehensive Income (USD $) In Millions, unless otherwise specified	3 Months Ended
Mar. 31, 2015	Mar. 31, 2014
Statement of Comprehensive Income [Abstract]
Net income	$ 13.9us-gaap_NetIncomeLoss	$ 19.9us-gaap_NetIncomeLoss
Other comprehensive income (loss):
Foreign currency translation adjustments	(27.3)	2.6
Net change in pension and post-retirement liabilities	(0.6)	(0.3)
Reclassification of pension and post-retirement benefit losses into earnings	2.0	1.2
Change in fair value of available-for-sale marketable equity securities	0	0.5
Net change in fair value of cash flow hedges	(1.9)	(7.0)
Reclassification of cash flow hedge losses into earnings	3.4	1.1
Other comprehensive income (loss) before income taxes	(24.4)	(1.9)
Income tax (expense) benefit	(0.8)us-gaap_OtherComprehensiveIncomeLossTax	1.9us-gaap_OtherComprehensiveIncomeLossTax
Other comprehensive income (loss), net of tax	(25.2)	0
Comprehensive income	$ (11.3)us-gaap_ComprehensiveIncomeNetOfTax	$ 19.9us-gaap_ComprehensiveIncomeNetOfTax

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 before tax, after reclassification adjustments, of appreciation (loss) in value of unsold available-for-sale securities, attributable to parent entity. Excludes amounts related to other than temporary impairment (OTTI) loss.

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

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

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