Other Balance Sheet Accounts (Details) (USD $) In Millions, unless otherwise specified	Mar. 31, 2012	Dec. 31, 2011
Other Assets
Patents, licenses and other intangible assets, net	$ 68.9	$ 70.6
Deferred charges	20.8	21.3
Fair value of currency forward contracts	5.8	7.3
Other assets	9.4	9.4
Other Assets	104.9	108.6
Other Current Liabilities
Accrued compensation	69.1	97.8
Income tax payable	59.0	48.3
Customer volume rebates	28.3	35.3
Accrued commissions	6.7	10.6
Accrued Chapter 11 reorganization expenses	6.7	5.5
Fair value of currency forward and commodity contracts	5.0	4.3
Deferred tax liability	0.3	0.3
Other accrued liabilities	116.0	111.9
Other Current Liabilities	$ 291.1	$ 314.0