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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tax Receivables) (Narrative) (Details) - USD ($)
$ in Thousands
May 31, 2021
Aug. 31, 2020
Tax Receivables [Line Items]    
Value added tax receivable $ 29,394 $ 27,600
Income taxes receivable 29,647 31,060
Unknown Country [Member]    
Tax Receivables [Line Items]    
Value added tax receivable 9,100 7,000
Deferred tax assets, net 3,200 2,800
Income taxes receivable $ 11,000 $ 10,400