Future Minimum Rental Commitments Under Non-Cancelable Long-Term Operating Leases And Capital Lease (Details) (USD $) In Millions, unless otherwise specified	Dec. 31, 2014
Operating lease
2015	$ 19.7
2016	15.0
2017	12.2
2018	10.6
2019	9.6
2020 and thereafter	23.3
Total future minimum lease commitments	90.4
Financing leases
2015	5.8
2016	5.8
2017	5.8
2018	6.0
2019	6.0
2020 and thereafter	76.6
Total future minimum lease commitments	106.0
Total
2015	25.5
2016	20.8
2017	18.0
2018	16.6
2019	15.6
2020 and thereafter	99.9
Total future minimum lease commitments	$ 196.4