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Income Taxes - Quarterly Disclosure (Details9) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Income Tax Disclosure [Abstract]
Income tax (provision) benefit	$ (0.5)	$ 8.5	$ 12.4	$ 4.4
Effective Income Tax Rate Continuing Operations	12.20%	24.10%	49.00%	31.40%
Income Tax Reconciliation Other Adjustments	$ 3.4	$ 2.1	$ 7.8	$ 6.7
Effective tax rate excluding discrete tax adjustments in period			18.40%

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

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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 the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to other adjustments.

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