Income Taxes (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Effective Income Tax Rate [Abstract]
Effective income tax rate, continuing operations	33.10%	27.20%	32.00%	33.00%
Income tax of equity in earnings of affiliates	$ 3.1	$ 2.4	$ 5.5	$ 3.9
Unrecognized Tax Benefits, Period Increase (Decrease)	$ 21.6
MSB/DQ Member [Domain]
Effective Income Tax Rate [Abstract]
Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Reserves	2800	600	2800	2500