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Financial Instruments (Schedule Of Pretax Effect On Net Income (Loss) And Other Comprehensive Income (Loss) Of Derivative Instruments Classified As Cash Flow Hedges) (Details) (USD $)
In Thousands, unless otherwise specified
 12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Foreign Currency Forwards And Options [Member]
      
Derivative Instruments, Gain (Loss) [Line Items]      
Amount of pre-tax gain (loss) recognized in other comprehensive income $ (77) $ 1,421 $ 0
Foreign Currency Forwards And Options [Member] | Selling, General And Admin. Exp.
      
Derivative Instruments, Gain (Loss) [Line Items]      
Amount of pre-tax gain (loss) reclassified from accumulated other comprehensive income to net income (effective portion)    0 0
Aluminum Futures Contracts
      
Derivative Instruments, Gain (Loss) [Line Items]      
Amount of pre-tax gain (loss) recognized in other comprehensive income (868) (232) (802)
Aluminum Futures Contracts | Cost of Sales
      
Derivative Instruments, Gain (Loss) [Line Items]      
Amount of pre-tax gain (loss) reclassified from accumulated other comprehensive income to net income (effective portion) $ (583) $ (1,026) $ 308