Financial Instruments, Fair Values of Derivative Instruments (Details) (USD $) In Millions, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
Designated as Hedging Instrument [Member]
Derivatives, Fair Value [Line Items]
Total derivative assets	$ 1.6	$ 3.8
Total derivative liabilities	10.5	7.9
Other Hedging Activity [Member]
Derivatives, Fair Value [Line Items]
Total derivative assets	0	0.1
Total derivative liabilities	0.2	0.1
Foreign Exchange Contract [Member] | Prepaid expenses and other [Member] | Designated as Hedging Instrument [Member]
Derivatives, Fair Value [Line Items]
Total derivative assets	0.8	3.8
Foreign Exchange Contract [Member] | Prepaid expenses and other [Member] | Other Hedging Activity [Member]
Derivatives, Fair Value [Line Items]
Total derivative assets	0	0.1
Foreign Exchange Contract [Member] | Accrued expenses [Member] | Designated as Hedging Instrument [Member]
Derivatives, Fair Value [Line Items]
Total derivative liabilities	3.7	1.4
Foreign Exchange Contract [Member] | Accrued expenses [Member] | Other Hedging Activity [Member]
Derivatives, Fair Value [Line Items]
Total derivative liabilities	0.2	0.1
Commodity Contract [Member] | Prepaid expenses and other [Member] | Designated as Hedging Instrument [Member]
Derivatives, Fair Value [Line Items]
Total derivative assets	0.7	0
Commodity Contract [Member] | Accrued expenses [Member] | Designated as Hedging Instrument [Member]
Derivatives, Fair Value [Line Items]
Total derivative liabilities	1.0	4.1
Interest Rate Contract [Member] | Prepaid expenses and other [Member] | Designated as Hedging Instrument [Member]
Derivatives, Fair Value [Line Items]
Total derivative assets	0.1	0
Interest Rate Contract [Member] | Accrued expenses [Member] | Designated as Hedging Instrument [Member]
Derivatives, Fair Value [Line Items]
Total derivative liabilities	$ 5.8	$ 2.4