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Derivative Instruments And Hedging Activities (Impact Of Non Designated Derivative Instruments On Income Statement) (Details) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 6 Months Ended
Jun. 30, 2012
Jun. 30, 2011
Jun. 30, 2012
Jun. 30, 2011
Gain (Loss) Recognized in Income on Derivatives $ (69) $ 6 $ 164 $ 614
Foreign Exchange Contracts [Member] | Other Expense [Member]
       
Gain (Loss) Recognized in Income on Derivatives $ (69) $ 6 $ 164 $ 614