Income Taxes (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Income Tax Disclosure [Abstract]
Federal and state tax liability, provision (benefit) from income taxes	$ 0.1	$ (7.5)	$ (0.2)	$ (11.6)
Discrete income tax provision (benefit)	0.1		$ (0.2)
Reduction in deferred tax assets and corresponding valuation allowance	$ 3.8