Accounts Payable and Accrued Expenses (Details) (USD $) In Millions, unless otherwise specified	Sep. 30, 2012	Dec. 31, 2011
Accounts Payable and Accrued Expenses
Trade accounts payable and interest payable	$ 491.7	$ 482.2
Employee related expenses	104.0	96.7
Restructuring expenses	19.9	21.9
Profit sharing and incentives	35.2	33.4
Accrued rebates	36.7	39.3
Deferred revenue - current	25.5	27.0
Derivative liabilities	5.8	18.8
Income taxes payable	25.2
Miscellaneous accrued expenses	146.4	149.4
Total accounts payable and accrued expenses	$ 890.4	$ 868.7