Quarterly report pursuant to Section 13 or 15(d)

Derivative Instruments and Hedging Activities (Details 1)

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Derivative Instruments and Hedging Activities (Details 1) (Selling, general and administrative expenses [Member], USD $)
In Millions
3 Months Ended 9 Months Ended
Sep. 30, 2011
Sep. 30, 2010
Sep. 30, 2011
Sep. 30, 2010
Foreign exchange currency contracts [Member] | Derivatives not designated as hedging instruments [Member]
       
Derivatives not designated as cash flow hedging instruments:        
Amount of Gain (Loss) Recognized in Income $ 2.7 $ 2.0 $ 3.8 $ (7.3)
Foreign exchange currency contracts relating to intercompany management fee hedges [Member] | Designated as Hedging Instrument [Member]
       
Derivatives not designated as cash flow hedging instruments:        
Amount of Gain (Loss) Recognized in Income $ (0.3) $ 0.1 $ (0.3)