Income Taxes (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014
Effective Income Tax Rate [Abstract]
Effective income tax rate, continuing operations	30.80%	2.20%
Income tax of equity in earnings of affiliates	$ 2.4	$ 1.5
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	$ 1.9