DEBT (Narrative) (Details) - USD ($) $ in Thousands	3 Months Ended
	Nov. 30, 2022		Aug. 31, 2022
Debt Instrument [Line Items]
Total long-term loans	$ 151,785	[1]	$ 137,271	[2]
Annual commitment fee	0.25%
Uncommitted [Member]
Debt Instrument [Line Items]
Credit facility current borrowing capacity	$ 91,000		91,000
Committed [Member]
Debt Instrument [Line Items]
Credit facility current borrowing capacity	75,000		75,000
Group of Subsidiaries [Member] | Debt With Covenants [Member]
Debt Instrument [Line Items]
Total long-term loans	$ 113,900		$ 110,700

[1] The carrying amount of non-cash assets assigned as collateral for these loans was $179.6 million. The carrying amount of cash assets assigned as collateral for these loans was $4.9 million.

[2] The carrying amount of non-cash assets assigned as collateral for these loans was $155.6 million. The carrying amount of cash assets assigned as collateral for these loans was $5.3 million.