Quarterly report pursuant to Section 13 or 15(d)

Derivative Instruments and Hedging Activities (Details Textual 1)

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Derivative Instruments and Hedging Activities (Details Textual 1) (Foreign exchange currency contracts [Member], USD $)
In Millions
Jun. 30, 2011
Dec. 31, 2010
Foreign exchange currency contracts [Member]
   
Derivatives, Fair Value [Line Items]    
Derivative liability Fair Value $ 1.9 $ 0.8