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Financial Instruments and Fair Value Measurements (Schedule of Cash Flow Hedges Included in Accumulated Other Comprehensive Income (Loss)) (Details) (Designated as Hedging Instrument [Member], USD $)
In Thousands, unless otherwise specified
3 Months Ended
Mar. 31, 2014
Mar. 31, 2013
Derivatives designated as cash flow hedges:    
Gain (loss) recorded in other comprehensive income (loss) $ (354) $ 996
Gain (loss) reclassified from other comprehensive income (loss) into net income (211) 737
Forward Currency Contracts [Member]
   
Derivatives designated as cash flow hedges:    
Gain (loss) recorded in other comprehensive income (loss) 118 1,741
Gain (loss) reclassified from other comprehensive income (loss) into net income (181) 675
Commodity Contract [Member]
   
Derivatives designated as cash flow hedges:    
Gain (loss) recorded in other comprehensive income (loss) (472) (745)
Gain (loss) reclassified from other comprehensive income (loss) into net income $ (30) $ 62