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DERIVATIVE FINANCIAL INSTRUMENTS (Schedule of Outstanding Derivative Financial Instruments) (Details) - Jun. 30, 2017
€ in Thousands, £ in Thousands, $ in Thousands
USD ($)
GBP (£)
EUR (€)
Forward Contracts [Member]      
Derivatives, Fair Value [Line Items]      
Derivative, Notional Amount | £   £ 1,859  
Derivative, Fair Value $ (238)    
Forward Contracts One [Member]      
Derivatives, Fair Value [Line Items]      
Derivative, Notional Amount 4,750    
Derivative, Fair Value 64    
Forward Contracts Two [Member]      
Derivatives, Fair Value [Line Items]      
Derivative, Notional Amount | €     € 500
Derivative, Fair Value $ (14)