SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Summary of Income Tax Receivables) (Details) - USD ($) $ in Thousands	May 31, 2020	Aug. 31, 2019
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES [Abstract]
Income Tax Receivable, Prepaid expenses and other current assets	$ 8,084	$ 9,009
Income Tax Receivable, Other non-current assets	20,652	16,381
Total amount of income tax receivables reported	$ 28,736	$ 25,390