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DEBT (Schedule of Short-Term Borrowings) (Details) - Facilities [Member] - USD ($)
$ in Thousands
May 31, 2021
Aug. 31, 2020
Short-term Debt [Line Items]    
Total Amount of Facilities $ 131,000 $ 81,210
Facilities Available 130,875 $ 15,679
Weighted average interest rate   3.70%
Short-term Borrowings [Member]    
Short-term Debt [Line Items]    
Facilities Used   $ 65,143
Letters of Credit [Member]    
Short-term Debt [Line Items]    
Facilities Used $ 125 $ 388