Commitments Lease Table (details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Capital Leases, Future Minimum Payments Due [Abstract]
2013	$ 17.6
2014	11.0
2015	7.6
2016	5.3
2017	4.0
2018 and thereafter	28.7
Operating Leases, Future Minimum Payments Due [Abstract]
2013	15.3
2014	9.6
2015	6.2
2016	3.9
2017	2.6
2018 and thereafter	8.0
Operating Leases, Rent Expense, Net [Abstract]
Operating Leases, Rent Expense, Minimum Rentals	19.6	20.2	18.8
Operating Leases, Rent Expense, Net	19.6	20.2	18.8
2013
Capital Leases Future Minimum Payments Details [Line Items]
Capital Leases, Future Minimum Payments, Interest Included in Payments	0.6
Capital Leases, Future Minimum Payments, Present Value of Net Minimum Payments	1.7
2014
Capital Leases Future Minimum Payments Details [Line Items]
Capital Leases, Future Minimum Payments, Interest Included in Payments	0.5
Capital Leases, Future Minimum Payments, Present Value of Net Minimum Payments	0.9
2015
Capital Leases Future Minimum Payments Details [Line Items]
Capital Leases, Future Minimum Payments, Interest Included in Payments	0.5
Capital Leases, Future Minimum Payments, Present Value of Net Minimum Payments	0.9
2016
Capital Leases Future Minimum Payments Details [Line Items]
Capital Leases, Future Minimum Payments, Interest Included in Payments	0.5
Capital Leases, Future Minimum Payments, Present Value of Net Minimum Payments	0.9
2017
Capital Leases Future Minimum Payments Details [Line Items]
Capital Leases, Future Minimum Payments, Interest Included in Payments	0.4
Capital Leases, Future Minimum Payments, Present Value of Net Minimum Payments	1.0
2018 and thereafter
Capital Leases Future Minimum Payments Details [Line Items]
Capital Leases, Future Minimum Payments, Interest Included in Payments	9.7
Capital Leases, Future Minimum Payments, Present Value of Net Minimum Payments	$ 11.0