Leases (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Leases [Abstract]
Rent expense	$ 19.5	$ 19.8	$ 4.5
Future minimum rental commitments under non-cancelable operating leases [Abstract]
2016	13.6
2017	10.8
2018	8.9
2019	7.3
2020	6.7
Thereafter	35.4
Future minimum rentals to be received under non-cancelable subleases	0.8
Future minimum payments to be received under direct financing leases [Abstract]
2016	0.9
2017	0.6
2018	0.2
2019	0.0
2020	0.0
Thereafter	$ 0.0