Operating Lease Commitments (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Commitments and Contingencies Disclosure [Abstract]
Total rent expense	$ 6.0	$ 2.5	$ 16.4	$ 7.5
2015, remaining	4.5		4.5
2016	15.0		15.0
2017	10.3		10.3
2018	6.7		6.7
2019	5.4		5.4
2020	5.5		5.5
Thereafter	18.7		18.7
Total	$ 66.1		$ 66.1