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Derivative Financial Instruments (Schedule Of Derivative Instruments Fair Value And Balance Sheet Classification) (Details) (Forward exchange contracts [Member], USD $)
In Thousands, unless otherwise specified
Dec. 31, 2013
Dec. 31, 2012
Prepaid And Other Current Assets [Member]
   
Derivative instruments in asset positions, Foreign exchange contracts $ 682 $ 680
Other Long-Term Assets [Member]
   
Derivative instruments in asset positions, Foreign exchange contracts 76  
Accounts Payable And Accrued Liabilities [Member]
   
Derivative instruments in liability positions, Foreign exchange contracts 1,492 918
Other Long-Term Liabilities [Member]
   
Derivative instruments in liability positions, Foreign exchange contracts $ 230