Basis of Presentation (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Depreciation and amortization	$ 50.6	$ 39.1	$ 134.6	$ 101.6
Interest expense	13.8	$ 12.1	$ 37.4	$ 29.2
Cumulative amount of errors | Certain immaterial errors relating to understated amounts in prior periods
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Depreciation and amortization	2.6
Interest expense	$ 1.1