SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Narrative) (Details) shares in Thousands	1 Months Ended		3 Months Ended		9 Months Ended
	Jan. 31, 2024 USD ($)	Dec. 31, 2022 USD ($)	May 31, 2024 USD ($)	May 31, 2023 USD ($)	May 31, 2024 USD ($) award shares	May 31, 2023 USD ($)	Aug. 31, 2023 USD ($)
Tax Receivables [Line Items]
Money market funds, at fair value			$ 19,200,000		$ 19,200,000		$ 100,200,000
Goodwill			43,182,000	$ 43,152,000	43,182,000	$ 43,152,000	43,110,000
Income taxes receivable			42,777,000		42,777,000		36,925,000
Payments to acquire property, plant, and equipment	$ 33,000,000				141,873,000	96,557,000
Decrease in operating lease, right-of-use asset	8,200,000
Decrease in operating lease, liability net of tax	9,100,000
Property, plant, and equipment, potential annual savings	$ 1,100,000
Long-term debt			135,098,000		$ 135,098,000		139,680,000
Number of types of equity awards issued | award					3
Reissued treasury shares (in shares) | shares					3
Asset impairment charge			0	$ 0	$ 0	$ 0
One-time separation charge		$ 7,700,000
One-time charge, net of tax		7,200,000
One time separation charge, non-cash charges		4,200,000
One-time separation charge, other separation costs		$ 3,500,000
Via Brasil Club
Tax Receivables [Line Items]
Long-term debt			16,500,000		$ 16,500,000
Debt instrument, term					15 years
Interest payments			1,000,000		$ 1,000,000
Land
Tax Receivables [Line Items]
Percentage of allocated purchase price	88.70%
Purchase price	$ 28,200,000
Building
Tax Receivables [Line Items]
Percentage of allocated purchase price	11.30%
Purchase price	$ 3,900,000
Leasehold Improvements
Tax Receivables [Line Items]
Purchase price	$ 8,600,000
Two Countries
Tax Receivables [Line Items]
Income taxes receivable			10,900,000		10,900,000		10,700,000
Deferred tax assets, net			$ 3,400,000		$ 3,400,000		$ 3,200,000