Commitments and Contingencies (Details) (USD $) In Millions, unless otherwise specified	Dec. 31, 2014
Operating Leases
2015, Operating leases	$ 37.8
2016, Operating leases	29.4
2017, Operating leases	24.0
2018, Operating leases	18.5
2019, Operating leases	12.1
Thereafter, Operating Leases	19.7
Total minimum lease payments	141.5
Capital Leases
2015, Capital leases	1.5
2016, Capital leases	0.8
2017, Capital leases	0.5
2018, Capital leases	0.3
2019, Capital leases	0.1
Thereafter, Capital leases	14.3
Total minimum lease payments, Capital leases	17.5
Less amount representing interest	(0.5)
Present value of minimum payments	$ 17.0