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DERIVATIVE FINANCIAL INSTRUMENTS (Details) - USD ($)
$ in Thousands
9 Months Ended
Jun. 30, 2017
Sep. 30, 2016
Dec. 31, 2014
Interest Rate Swap [Member]      
Derivative [Line Items]      
Outstanding variable rate debt     $ 86,406
Derivative notional amount $ 73,828    
Derivatives expiration date Jun. 27, 2019    
Unrealized gain $ 819    
Reclassified from accumulated other comprehensive income into interest expense $ 98    
Reclassification period 12 months    
Foreign Exchange Contract [Member] | Buy [Member]      
Derivative [Line Items]      
Derivative notional amount $ 6,304 $ 8,858  
Foreign Exchange Contract [Member] | Sell [Member]      
Derivative [Line Items]      
Derivative notional amount $ 20,145 $ 15,635