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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tax Receivables) (Narrative) (Details) - USD ($)
Feb. 28, 2018
Aug. 31, 2017
Tax Receivables [Line Items]    
Value added tax receivable $ 29,417,000 $ 31,554,000
Income taxes receivable 19,425,000 16,895,000
Unknown Country [Member]    
Tax Receivables [Line Items]    
Value added tax receivable 633,000 1,200,000
Deferred tax assets, net 2,200,000 2,000,000
Income taxes receivable $ 5,300,000 $ 4,300,000