Derivatives and Fair Value Measurements (Details) (USD $) In Millions, unless otherwise specified	Jun. 30, 2012	Dec. 31, 2011
Summary of location and fair value amount of derivative instruments
Asset Derivatives, Fair Value		$ 0.1
Liability Derivatives, Fair Value	1.0	1.1
Derivatives not designated as hedging instruments under ASC 815 [Member] | Foreign exchange contracts [Member] | Other accrued liabilities [Member]
Summary of location and fair value amount of derivative instruments
Liability Derivatives, Fair Value		0.1
Derivatives not designated as hedging instruments under ASC 815 [Member] | Commodity contracts [Member] | Other accrued liabilities [Member]
Summary of location and fair value amount of derivative instruments
Liability Derivatives, Fair Value	1.0	1.0
Derivatives not designated as hedging instruments under ASC 815 [Member] | Commodity contracts [Member] | Prepaid expenses and other current assets [Member]
Summary of location and fair value amount of derivative instruments
Asset Derivatives, Fair Value		$ 0.1