DERIVATIVE INSTRUMENTS AND HEDGING ACTIVITIES (Details 1) $ in Thousands  | 
 Sep. 30, 2017  
USD ($)  
Number 
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|---|---|
| Number of Instruments | Number | 16 | 
| Sell Notional | $ 6,700 | 
| Buy Notional | $ 5,207 | 
| Sell AUD/Buy USD Fwd Contract [Member] | |
| Number of Instruments | Number | 6 | 
| Sell Notional | $ 650 | 
| Buy Notional | $ 493 | 
| Sell CAD/Buy USD Fwd Contract [Member] | |
| Number of Instruments | Number | 10 | 
| Sell Notional | $ 6,050 | 
| Buy Notional | $ 4,714 | 
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- Definition Non Designated Derivative Buy Notional Amount. No definition available. 
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- Definition Non Designated Derivative Sell Notional Amount. No definition available. 
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- Definition The number of derivative instruments of a particular group held by the entity. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
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