SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Summary of Restricted Cash) (Details) - USD ($) $ in Thousands	Aug. 31, 2023	Aug. 31, 2022	Aug. 31, 2021
Cash and Cash Equivalents [Line Items]
Short-term restricted cash	$ 2,865	$ 3,013	$ 3,647
Long-term restricted cash	9,353	10,650	$ 9,772
Total restricted cash	12,218	$ 13,663
Certificates of Deposit
Cash and Cash Equivalents [Line Items]
Total restricted cash	$ 6,400