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DEBT (Schedule of Short-Term Borrowings) (Details) - USD ($)
$ in Thousands
Nov. 30, 2016
Aug. 31, 2016
Short-term Debt [Line Items]    
Total Amount of Facilities $ 67,000 $ 65,000
Facilities Available $ 44,988 $ 39,242
Short-term Borrowings Letters Of Credit Facilities Available [Member]    
Short-term Debt [Line Items]    
Weighted average interest rate 10.30% 10.10%
Short-term Borrowings [Member]    
Short-term Debt [Line Items]    
Line of credit, Current $ 12,211 $ 16,534
Letters Of Credit [Member]    
Short-term Debt [Line Items]    
Line of credit, Current $ 8,975 $ 9,224