Condensed Consolidated Statements of Comprehensive Loss (Unaudited) (USD $) In Millions, unless otherwise specified	3 Months Ended
Mar. 31, 2015	Mar. 31, 2014
Statement of Comprehensive Income [Abstract]
Net loss	$ (14.4)us-gaap_NetIncomeLoss	$ (17.5)us-gaap_NetIncomeLoss
Net unrealized gains (losses) on derivative financial instruments:
Net holding gains (losses) arising during the period	0.9	(0.9)
Reclassification adjustment for net realized gains recorded in net loss	(2.1)	(0.3)
Total net unrealized losses on derivative financial instruments	(1.2)	(1.2)
Net pension adjustments:
Reclassification adjustment for defined benefit plans recorded in net loss	0.2	(0.1)
Unrealized foreign currency translation losses	(4.6)	(3.5)
Total other comprehensive loss, net of tax	(5.6)	(4.8)
Comprehensive loss	$ (20.0)us-gaap_ComprehensiveIncomeNetOfTax	$ (22.3)us-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 after tax and reclassification adjustments, of increase (decrease) in accumulated gain (loss) from derivative instruments designated and qualifying as the effective portion of cash flow hedges and an entity's share of an equity investee's increase (decrease) in deferred hedging gain (loss), attributable to parent entity.

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Amount after 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, attributable to parent entity.

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Amount after tax of other comprehensive income (loss) attributable to parent entity.

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Amount after tax and 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 after tax, before reclassification adjustments, of unrealized holding gain (loss) on available-for-sale securities.

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