Income Taxes (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2016	Dec. 31, 2014
Income Tax Disclosure [Abstract]
Effective tax rate	37.60%	31.50%	38.20%	36.00%
Benefit related to adjustments of prior year estimates and expiration of statute of limitations for uncertain tax positions	$ 0.4	$ 1.6	$ 0.4	$ 1.6
Total gross amount of unrecognized tax benefits that would impact effective tax rate	$ 0.4		$ 0.4			$ 0.4
Forecast
Income Tax Contingency [Line Items]
Impact of statute of limitations for certain tax positions on gross amount of unrecognized tax benefits					$ 0.2