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DEBT (Schedule of Short-Term Borrowings) (Details) - USD ($)
$ in Thousands
Aug. 31, 2022
Aug. 31, 2021
Committed [Member]    
Short-term Debt [Line Items]    
Total Amount of Facilities $ 75,000 $ 40,000
Facilities Available 74,927 39,903
Uncommitted [Member]    
Short-term Debt [Line Items]    
Total Amount of Facilities 91,000 91,000
Facilities Available $ 80,392 91,000
Weighted average interest rate 5.30%  
Facilities [Member]    
Short-term Debt [Line Items]    
Total Amount of Facilities $ 166,000 131,000
Facilities Available $ 155,319 130,903
Weighted average interest rate 5.30%  
Short-term Borrowings | Uncommitted [Member]    
Short-term Debt [Line Items]    
Facilities Used $ 10,608  
Short-term Borrowings | Facilities [Member]    
Short-term Debt [Line Items]    
Facilities Used 10,608  
Letters of Credit | Committed [Member]    
Short-term Debt [Line Items]    
Facilities Used 73 97
Letters of Credit | Facilities [Member]    
Short-term Debt [Line Items]    
Facilities Used $ 73 $ 97