Income Taxes (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014	Dec. 31, 2014
Valuation Allowance [Line Items]
Income tax expense (benefit)	$ 3.6	$ 3.4	$ 3.9	$ 1.8
Federal statutory income tax rate	35.00%		35.00%
Unrecognized tax benefits	$ 1.6		$ 1.6		$ 1.9
Restructuring Plan Valuation Allowance
Valuation Allowance [Line Items]
Valuation allowance	3.7		3.7
Europe | Foreign Tax Authority
Valuation Allowance [Line Items]
Valuation allowance	$ 6.0		$ 6.0