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Derivative Instruments And Hedging Activities ( Fair Value Of Derivative Instruments) (Details) (USD $)
In Millions, unless otherwise specified
Dec. 31, 2011
Dec. 31, 2010
Derivative Asset Fair Value $ 7.3 $ 14.3
Derivative Liability Fair Value 12.2 8.7
Designated as Hedging Instrument [Member] | Foreign Currency Contracts [Member] | Other Current Assets [Member]
   
Derivative Asset Fair Value 0 2.3
Designated as Hedging Instrument [Member] | Foreign Currency Contracts [Member] | Other Current Liabilities [Member]
   
Derivative Liability Fair Value 4.3 0
Not Designated as Hedging Instrument [Member] | Foreign Currency Contracts [Member] | Other Current Assets [Member]
   
Derivative Asset Fair Value 7.3 12.0
Not Designated as Hedging Instrument [Member] | Foreign Currency Contracts [Member] | Other Current Liabilities [Member]
   
Derivative Liability Fair Value $ 7.9 $ 8.7