Income Taxes (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Income Tax Disclosure [Abstract]
Income tax expense (benefit)	$ 4.9	$ (0.3)	$ 5.8	$ 1.0
Pre-tax earnings (loss)	$ 12.3	$ 10.2	$ 13.8	$ 13.3
Effective tax rate (as a percent)			42.20%	7.20%