Other Balance Sheet Accounts (Details) (USD $) In Millions, unless otherwise specified	Jun. 30, 2013	Dec. 31, 2012
Other Current Liabilities
Accrued compensation	$ 62.7	$ 84.5
Income tax payable	57.8	44.8
Customer volume rebates	28.6	32.5
Pension liabilities	14.0	14.0
Accrued Chapter 11 reorganization expenses	7.5	6.6
Accrued commissions	7.4	12.9
Restructuring liability	5.2	3.0
Fair value of currency forward and commodity contracts	1.9	5.5
Deferred tax liability	0.6	0.6
Other accrued liabilities	88.8	102.9
Total Other Current Liabilities	$ 274.5	$ 307.3