Income Taxes (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Effective Income Tax Rate [Abstract]
Effective income tax rate, continuing operations	33.50%	33.10%	34.70%	32.00%
Income tax of equity in earnings of affiliates	$ 0.3	$ 3.1	$ 0.4	$ 5.5
Unrecognized tax benefits, period decrease			$ 21.5