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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
Sep. 30, 2015
Dec. 31, 2014
Assets Held-for-Sale [Member]    
Derivative instruments in asset positions, Forward exchange contracts $ 329 $ 158
Prepaid And Other Current Assets [Member]    
Derivative instruments in asset positions, Forward exchange contracts $ 2,821 2,908
Other Long-Term Assets [Member]    
Derivative instruments in asset positions, Forward exchange contracts   446
Accounts Payable And Accrued Liabilities [Member]    
Derivative instruments in liability positions, Forward exchange contracts   79
Other Long-Term Liabilities [Member]    
Derivative instruments in liability positions, Forward exchange contracts   $ 11