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 tax rate	38.30%	39.50%	38.70%	39.60%
Total gross amount of unrecognized tax benefits that would impact effective tax rate	$ 0.4		$ 0.4		$ 0.4