Income Taxes (Provision) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Current:
Federal	$ (23.6)us-gaap_CurrentFederalTaxExpenseBenefit	$ (14.5)us-gaap_CurrentFederalTaxExpenseBenefit	$ (24.0)us-gaap_CurrentFederalTaxExpenseBenefit
State	3.7	1.4	2.5
Foreign	4.0us-gaap_CurrentForeignTaxExpenseBenefit	9.6us-gaap_CurrentForeignTaxExpenseBenefit	2.7us-gaap_CurrentForeignTaxExpenseBenefit
Current income tax benefit	(15.9)us-gaap_CurrentIncomeTaxExpenseBenefit	(3.5)us-gaap_CurrentIncomeTaxExpenseBenefit	(18.8)us-gaap_CurrentIncomeTaxExpenseBenefit
Deferred:
Federal	0	(41.7)	5.5
State	0	0	0.5
Foreign	(0.2)	(0.7)	(2.2)
Deferred income tax provision (benefit)	(0.2)us-gaap_DeferredIncomeTaxExpenseBenefit	(42.4)us-gaap_DeferredIncomeTaxExpenseBenefit	3.8us-gaap_DeferredIncomeTaxExpenseBenefit
Income tax benefit	(16.1)us-gaap_IncomeTaxExpenseBenefit	(45.9)us-gaap_IncomeTaxExpenseBenefit	(15.0)us-gaap_IncomeTaxExpenseBenefit
Domestic	(106.2)	(152.8)	(173.8)
Foreign	22.4	23.3	22.3
Net Loss Before Income Taxes	(83.8)	(129.5)	(151.5)
Other Comprehensive (Income) Loss, Pension and Other Postretirement Benefit Plans, Tax	$ (3.2)	$ 42.7	$ (1.3)

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

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

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

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Amount of deferred foreign income tax expense (benefit) pertaining to income (loss) from continuing operations.

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

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Amount of deferred state and local 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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This element represents the income or loss from continuing operations attributable to the economic entity which may also be defined as revenue less expenses from ongoing operations, after income or loss from equity method investments, but before income taxes, extraordinary items, and noncontrolling interest.

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The portion of earnings or loss from continuing operations before income taxes that is attributable to foreign operations, which is defined as Income or Loss generated from operations located outside the entity's country of domicile.

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

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Amount of tax (expense) benefit, 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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