Income Taxes (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014	Dec. 31, 2014
Income Tax Disclosure [Abstract]
Effective income tax rate, continuing operations	17.50%	(4.30%)
Gross unrecognized tax benefits, net of interest and penalties	$ 0.1		$ 0.1		$ 0.4
Tax benefit recognized due to expiration of statute of limitations	0.1		0.3
Tax benefit exclusive of interest and penalties	0.1		0.6
Income tax expense (benefit), intraperiod tax allocation	0.0	$ (1.0)	0.0	$ (1.6)
United States
Valuation Allowance [Line Items]
Deferred Tax Assets, Valuation Allowance	56.0		56.0
Netherlands
Valuation Allowance [Line Items]
Deferred Tax Assets, Valuation Allowance	$ 10.0		$ 10.0