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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Summary of Value Added Tax Receivables) (Details) - USD ($)
$ in Thousands
May 31, 2021
Aug. 31, 2020
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES [Abstract]    
Value Added Tax, Prepaid expenses and other current assets $ 1,390 $ 1,749
Value Added Tax, Other non-current assets 28,004 25,851
Total amount of VAT receivables reported $ 29,394 $ 27,600