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Financial Instruments and Fair Value Measurements (Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis) (Details) (USD $)
In Thousands, unless otherwise specified
Jun. 30, 2014
Dec. 31, 2013
Financial assets carried at fair value:    
Interest rate swap contract $ 899 $ 793
Forward currency contracts 349  
Fixed price commodity contracts 42 152
Total financial assets carried at fair value 1,290 945
Financial liabilities carried at fair value:    
Forward currency contracts 19 281
Fixed price commodity contracts 10  
Total financial liabilities carried at fair value 29 281
Fair Value, Inputs, Level 1 [Member]
    
Financial assets carried at fair value:    
Interest rate swap contract    [1]  
Forward currency contracts    [1]  
Fixed price commodity contracts    [1]  
Total financial assets carried at fair value    [1]  
Financial liabilities carried at fair value:    
Forward currency contracts    [1]  
Fixed price commodity contracts    [1]  
Total financial liabilities carried at fair value    [1]  
Fair Value, Inputs, Level 2 [Member]
    
Financial assets carried at fair value:    
Interest rate swap contract 899 [2]  
Forward currency contracts 349 [2]  
Fixed price commodity contracts 42 [2]  
Total financial assets carried at fair value 1,290 [2]  
Financial liabilities carried at fair value:    
Forward currency contracts 19 [2]  
Fixed price commodity contracts 10 [2]  
Total financial liabilities carried at fair value 29 [2]  
Fair Value, Inputs, Level 3 [Member]
    
Financial assets carried at fair value:    
Interest rate swap contract    [3]  
Forward currency contracts    [3]  
Fixed price commodity contracts    [3]  
Total financial assets carried at fair value    [3]  
Financial liabilities carried at fair value:    
Forward currency contracts    [3]  
Fixed price commodity contracts    [3]  
Total financial liabilities carried at fair value    [3]  
[1] Fair values estimated using Level 1 inputs, which consist of quoted prices in active markets for identical assets or liabilities that the Company has the ability to access at the measurement date. The Company did not have any recurring fair value estimates using Level 1 inputs at June 30, 2014 or December 31, 2013.
[2] Fair values estimated using Level 2 inputs, other than quoted prices, that are observable for the asset or liability, either directly or indirectly and include among other things, quoted prices for similar assets or liabilities in markets that are active or inactive as well as inputs other than quoted prices that are observable. For forward currency, fixed price commodity and interest rate swap contracts, inputs include foreign currency exchange rates, commodity indexes and the six-month forward LIBOR.
[3] Fair values estimated using Level 3 inputs consist of significant unobservable inputs. The Company did not have any recurring fair value estimates using Level 3 inputs at June 30, 2014 or December 31, 2013