Financial Instruments and Fair Value Measurement Fair Value of Derivative Instruments (Details) (Fair Value, Level 2 Inputs, USD $) In Millions, unless otherwise specified	Sep. 30, 2012	Dec. 31, 2011
Derivatives, Fair Value [Line Items]
Derivative Asset, Fair Value	$ 1.0	$ 1.8
Derivative Liability, Fair Value	6.8	9.9
Other Current Assets | Derivative Contracts Designated as Hedging Instruments | Commodity Contracts
Derivatives, Fair Value [Line Items]
Derivative Asset, Fair Value	0.6	0
Other Current Assets | Derivative Contracts Designated as Hedging Instruments | Foreign Currency Contracts
Derivatives, Fair Value [Line Items]
Derivative Asset, Fair Value	0.4	1.3
Other Current Assets | Derivative Contracts Designated as Hedging Instruments | Interest Rate Swap Agreements
Derivatives, Fair Value [Line Items]
Derivative Asset, Fair Value	0	0
Other Current Assets | Derivative Contracts Not Designated as Hedging Instruments | Foreign Currency Contracts
Derivatives, Fair Value [Line Items]
Derivative Asset, Fair Value	0	0.5
Other Accrued Liabilities | Derivative Contracts Designated as Hedging Instruments | Commodity Contracts
Derivatives, Fair Value [Line Items]
Derivative Liability, Fair Value	0	1.3
Other Accrued Liabilities | Derivative Contracts Designated as Hedging Instruments | Foreign Currency Contracts | Other Noncurrent Liabilities
Derivatives, Fair Value [Line Items]
Derivative Liability, Fair Value	0.1	0.3
Other Accrued Liabilities | Derivative Contracts Designated as Hedging Instruments | Interest Rate Swap Agreements | Interest Payable
Derivatives, Fair Value [Line Items]
Derivative Liability, Fair Value	6.6	8.3
Other Accrued Liabilities | Derivative Contracts Not Designated as Hedging Instruments | Foreign Currency Contracts
Derivatives, Fair Value [Line Items]
Derivative Liability, Fair Value	$ 0.1	$ 0