Income Taxes (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Income Taxes [Abstract]
Unrecognized tax benefits	$ 0.7		$ 0.7
Effective tax rate (in hundredths)	19.00%	42.10%	27.70%	42.20%
Net current deferred tax asset	$ 0.9		$ 0.9
Net non-current deferred tax liability	6.3		6.3
Research and Development Tax Credit True-up	$ 0.9		$ 0.9