Other Balance Sheet Accounts (Details) (USD $) In Millions, unless otherwise specified	Sep. 30, 2012	Dec. 31, 2011
Other Current Liabilities
Accrued compensation	$ 82.5	$ 97.8
Income tax payable	53.5	48.3
Customer volume rebates	32.9	35.3
Pension liabilities	14.1	13.2
Accrued commissions	9.9	10.6
Accrued Chapter 11 reorganization expenses	8.1	5.5
Restructuring	3.9	5.9
Fair value of currency forward and commodity contracts	0.6	4.3
Deferred tax liability	0.3	0.3
Other accrued liabilities	99.3	92.8
Other Current Liabilities	$ 305.1	$ 314.0