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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tax Receivables) (Narrative) (Details) - USD ($)
Aug. 31, 2017
Aug. 31, 2016
Tax Receivables [Line Items]    
Value added tax receivable $ 31,554,000 $ 34,137,000
Income taxes receivable 16,895,000 16,778,000
Unknown Country [Member]    
Tax Receivables [Line Items]    
Value added tax receivable 1,200,000 $ 800,000
Deferred tax assets, net 2,000,000  
Income taxes receivable $ 4,300,000