Commitments (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Commitments [Abstract]
Operating Leases, Rent Expense	$ 115.9	$ 126.8	$ 123.5
Operating Leases, Future Minimum Payments Due, Fiscal Year Maturity [Abstract]
Operating Leases, Future Minimum Payments Due, Current	98.2
Operating Leases, Future Minimum Payments, Due in Two Years	86.5
Operating Leases, Future Minimum Payments, Due in Three Years	71.2
Operating Leases, Future Minimum Payments, Due in Four Years	50.3
Operating Leases, Future Minimum Payments, Due in Five Years	37.9
Operating Leases, Future Minimum Payments, Due Thereafter	88.5
Operating Leases, Future Minimum Payments Due	$ 432.6