Derivative Financial Instruments (Fair Value Of Derivative Instruments In Statement Of Financial Position) (Details) (USD $) In Millions, unless otherwise specified	Jun. 30, 2012	Dec. 31, 2011
Derivatives, Fair Value [Line Items]
Derivative Assets	$ 70.0	$ 114.5
Derivative Liabilities	69.5	103.6
Derivatives Designated As Hedging Instruments [Member]
Derivatives, Fair Value [Line Items]
Derivative Assets	36.1	87.2
Derivative Liabilities	47.8	88.6
Derivatives Designated As Hedging Instruments [Member] | Foreign Exchange Contracts [Member] | Current - Derivative Financial Instruments [Member]
Derivatives, Fair Value [Line Items]
Derivative Assets	15.3	60.8
Derivative Liabilities	18.3	58.3
Derivatives Designated As Hedging Instruments [Member] | Foreign Exchange Contracts [Member] | Long-Term - Derivative Financial Instruments [Member]
Derivatives, Fair Value [Line Items]
Derivative Assets	20.8	26.4
Derivative Liabilities	28.7	28.7
Derivatives Designated As Hedging Instruments [Member] | Interest Rate Contracts [Member] | Current - Derivative Financial Instruments [Member]
Derivatives, Fair Value [Line Items]
Derivative Liabilities	0.8	1.6
Derivatives Not Designated As Hedging Instruments [Member]
Derivatives, Fair Value [Line Items]
Derivative Assets	33.9	27.3
Derivative Liabilities	21.7	15.0
Derivatives Not Designated As Hedging Instruments [Member] | Foreign Exchange Contracts [Member] | Current - Derivative Financial Instruments [Member]
Derivatives, Fair Value [Line Items]
Derivative Assets	29.7	9.1
Derivative Liabilities	17.9	6.7
Derivatives Not Designated As Hedging Instruments [Member] | Foreign Exchange Contracts [Member] | Long-Term - Derivative Financial Instruments [Member]
Derivatives, Fair Value [Line Items]
Derivative Assets	4.2	18.2
Derivative Liabilities	$ 3.8	$ 8.3