SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Summary of Income Tax Receivables) (Details) - USD ($) $ in Thousands	May 31, 2021	Aug. 31, 2020
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES [Abstract]
Income Tax Receivable, Prepaid expenses and other current assets	$ 9,775	$ 10,944
Income Tax Receivable, Other non-current assets	19,872	20,116
Total amount of income tax receivables reported	$ 29,647	$ 31,060