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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tax Receivables) (Narrative) (Details) - USD ($)
$ in Thousands
Nov. 30, 2017
Aug. 31, 2017
Tax Receivables [Line Items]    
Value added tax receivable $ 32,952 $ 31,554
Income taxes receivable 20,404 16,895
Unknown Country [Member]    
Tax Receivables [Line Items]    
Value added tax receivable 2,200 1,200
Deferred tax assets, net 2,000 2,000
Income taxes receivable $ 5,300 $ 4,300