Income Taxes (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Income Tax Disclosure [Abstract]
Effective income tax rate (percent)	(285.30%)	28.60%	38.10%	29.30%
Discontinued Operation, Tax Effect of Discontinued Operation	$ 106.7		$ 113.6
Discontinued Operation, Gain (Loss) on Disposal of Discontinued Operation, Net of Tax	$ 110.5		$ 117.0