Income Taxes (Details) - USD ($) $ in Millions	2 Months Ended	7 Months Ended	9 Months Ended
	Sep. 30, 2015	Jul. 31, 2015	Sep. 30, 2014	Dec. 31, 2014
Income Tax [Line Items]
Effective tax rate (as a percent)	24.67%
Decrease to valuation allowance	$ 2.2
Statutory rate (as a percent)	35.00%
Net deferred tax liability	$ 9.8
Amounts accrued for the payment of interest and penalties of unrecognized tax benefits	$ 0.0
Predecessor
Income Tax [Line Items]
Effective tax rate (as a percent)		(338.25%)	64.38%
Net deferred tax liability				$ 23.5
Amounts accrued for the payment of interest and penalties of unrecognized tax benefits				$ 0.0