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DEBT (Schedule of Short-Term Borrowings) (Details) - Facilities [Member] - USD ($)
$ in Thousands
Nov. 30, 2019
Aug. 31, 2019
Short-term Debt [Line Items]    
Total Amount of Facilities $ 69,000 $ 69,000
Facilities Available $ 45,448 $ 60,974
Weighted average interest rate 4.80% 6.10%
Short-term Borrowings [Member]    
Short-term Debt [Line Items]    
Facilities Used $ 23,018 $ 7,540
Letters of Credit [Member]    
Short-term Debt [Line Items]    
Facilities Used $ 534 $ 486