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DEBT (Schedule of Short-Term Borrowings) (Details) - Facilities [Member] - USD ($)
$ in Thousands
May 31, 2020
Aug. 31, 2019
Short-term Debt [Line Items]    
Total Amount of Facilities $ 81,210 $ 69,000
Facilities Available $ 9,852 $ 60,974
Weighted average interest rate 3.60% 6.10%
Short-term Borrowings [Member]    
Short-term Debt [Line Items]    
Facilities Used $ 70,886 $ 7,540
Letters of Credit [Member]    
Short-term Debt [Line Items]    
Facilities Used $ 472 $ 486