SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Summary of Restricted Cash) (Details) - USD ($) $ in Thousands	Aug. 31, 2026	Aug. 31, 2025	Aug. 31, 2024
Cash and Cash Equivalents [Line Items]
Short-term restricted cash	$ 12,911	$ 11,061	$ 1,383
Long-term restricted cash	31,020	33,206	$ 9,564
Total restricted cash	43,931	$ 44,267
Certificates of Deposit \| Trinidad Dollars
Cash and Cash Equivalents [Line Items]
Total restricted cash	28,500
Certificates of Deposit \| US Dollars
Cash and Cash Equivalents [Line Items]
Total restricted cash	$ 7,100

Amount of cash and cash equivalent restricted as to withdrawal or usage. Cash includes, but is not limited to, currency on hand, demand deposit with financial institution, and account with general characteristic of demand deposit. Cash equivalent includes, but is not limited to, short-term, highly liquid investment that is both readily convertible to known amount of cash and so near maturity that it presents insignificant risk of change in value because of change in interest rate.