Income Taxes (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014	Mar. 31, 2015	Dec. 31, 2014
Interim Period, Costs Not Allocable [Line Items]
Income tax expense	$ (0.2)	$ (4.1)	$ 24.5	$ (1.9)
Effective income tax rate	2.70%	158.20%	(224.70%)	30.50%
Loss before income taxes and non-controlling interests	$ (9.3)	$ (2.6)	$ (10.9)	$ (6.4)
Tax charge due to change in valuation allowance	4.8
Tax reserves	2.4
Valuation allowance on foreign tax credit carryovers		$ 23.8		$ 23.8
Unrecognized tax benefit	67.8		67.8			$ 27.7
Reduction in effective tax rate	36.3		36.3
Accrued interest and penalties related to unrecognized tax benefits	9.7		9.7			$ 4.7
Interest and penalties recognized	0.1		0.4
Possible reduction in tax benefits from lapse of applicable statute of limitations	$ 3.3		$ 3.3
State and Local Jurisdiction [Member]
Interim Period, Costs Not Allocable [Line Items]
Valuation allowance					$ 19.0