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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
Sep. 30, 2017
Dec. 31, 2016
Financial assets carried at fair value:    
Forward currency asset contracts $ 237  
Total financial assets carried at fair value 237  
Financial liabilities carried at fair value:    
Forward currency liabilities contracts 37 $ 31
Earn-out consideration 18,295  
Total financial liabilities carried at fair value 18,332 $ 31
Fair Value, Inputs, Level 2 [Member]    
Financial assets carried at fair value:    
Forward currency asset contracts 237  
Total financial assets carried at fair value 237  
Financial liabilities carried at fair value:    
Forward currency liabilities contracts 37  
Total financial liabilities carried at fair value 37  
Fair Value, Inputs, Level 3 [Member]    
Financial liabilities carried at fair value:    
Earn-out consideration 18,295  
Total financial liabilities carried at fair value $ 18,295