Income Taxes (Schedule of Components of Income Tax Expense (Benefit)) (Details) - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Current:
Federal	$ (1.3)	$ 12.6	$ 9.2
State	2.8	2.8	9.9
Foreign	97.8	168.7	217.7
Current income tax expense (benefit)	99.3	184.1	236.8
Deferred:
Federal	(19.0)	(0.4)	30.2
State	0.0	0.0	0.0
Foreign	(7.8)	4.0	(8.5)
Deferred income tax expense (benefit)	(26.8)	3.6	21.7
Income tax provision	$ 72.5	$ 187.7	$ 258.5

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

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