DEBT (Summary of Changes in Long-Term Debt) (Details) - USD ($) $ in Thousands		3 Months Ended
		Nov. 30, 2021	Aug. 31, 2021
Debt Instrument [Line Items]
Current portion of long-term debt		$ 19,395
Long-term debt (net of current portion)		110,110
Total	[1]	129,505
Proceeds from long-term debt incurred during the period		4,204
Regularly scheduled loan payments, Current portion of long-term debt		(1,739)
Regularly scheduled loan payments, Long-term debt (net of current portion)		(2,640)
Regularly scheduled loan payments total		(4,379)
Reclassification of long-term debt due in the next 12 months, Current portion of long-term debt		879
Reclassification of long-term debt due in the next 12 months, Long-term debt (net of current portion)		(879)
Reclassification of long-term debt due in the next 12 months total
Translation adjustments on foreign currency debt of subsidiaries whose functional currency is not the U.S. dollar, Current portion of long-term debt	[2]	(54)
Translation adjustments on foreign currency debt of subsidiaries whose functional currency is not the U.S. dollar, Long-term debt (net of current portion)	[2]	(85)
Translation adjustments on foreign currency debt of subsidiaries whose functional currency is not the U.S. dollar total	[2]	(139)
Current portion of long-term debt		16,843
Long-term debt (net of current portion)		110,601
Total	[3]	127,444
Guatemala Subsidiary [Member]
Debt Instrument [Line Items]
Proceeds from long-term debt incurred during the period, Long-term debt (net of current portion)		4,204
Proceeds from long-term debt incurred during the period		4,204
Repayments of long-term debt, Current portion of long-term debt		(377)
Repayments of long-term debt total		(377)
Costa Rica Subsidiary [Member]
Debt Instrument [Line Items]
Repayments of long-term debt, Current portion of long-term debt		(1,261)
Repayments of long-term debt, Long-term debt (net of current portion)		(109)
Repayments of long-term debt total		(1,370)
Cash Asset [Member]
Debt Instrument [Line Items]
Debt Instrument, Collateral amount		146,000	$ 7,000
NonCash Asset [Member]
Debt Instrument [Line Items]
Debt Instrument, Collateral amount		$ 6,200	$ 153,500

[1] The carrying amount of non-cash assets assigned as collateral for these loans was $153.5 million. The carrying amount of cash assets assigned as collateral for these loans was $7.0 million.

[2] These foreign currency translation adjustments are recorded within Other comprehensive income (loss).

[3] The carrying amount of cash and non-cash assets assigned as collateral for these loans was $146.0 million and $6.2 million, respectively.