DEBT (Schedule of Changes in Long-Term Debt) (Details) - USD ($) $ in Thousands	12 Months Ended
	Aug. 31, 2024	Aug. 31, 2023	Aug. 31, 2022
Total
Current portion of long-term debt	$ 20,193	$ 33,715
Long-term debt (net of current portion)	119,487	103,556
Total	139,680	137,271
Proceeds from long-term debt received during the period:
Current portion of long-term debt	0	1,751
Long-term debt (net of current portion)	16,500	36,962
Total	16,500	38,713	$ 30,633
Repayments of long-term debt:
Current portion of long-term debt	(3,707)	(17,541)
Long-term debt (net of current portion)	(22,613)	(18,443)
Total	(26,320)	(35,984)	(22,697)
Reclassifications of long-term debt due in the next 12 months
Current portion of long-term debt	19,374	1,729
Long-term debt (net of current portion)	(19,374)	(1,729)
Total	0	0
Translation adjustments on foreign currency debt of subsidiaries whose functional currency is not the U.S. dollar
Current portion of long-term debt	57	539
Long-term debt (net of current portion)	443	(859)
Total	500	(320)
Current portion of long-term debt	35,917	20,193	33,715
Long-term debt (net of current portion)	94,443	119,487	103,556
Total	130,360	139,680	137,271
NonCash Asset
Translation adjustments on foreign currency debt of subsidiaries whose functional currency is not the U.S. dollar
Collateral amount	155,100	156,200	155,600
Cash Asset
Translation adjustments on foreign currency debt of subsidiaries whose functional currency is not the U.S. dollar
Collateral amount	1,700	3,500	$ 5,300
Guatemala subsidiary
Proceeds from long-term debt received during the period:
Current portion of long-term debt		0
Long-term debt (net of current portion)		12,454
Total		12,454
Barbados subsidiary
Proceeds from long-term debt received during the period:
Current portion of long-term debt		0
Long-term debt (net of current portion)		7,460
Total		7,460
Honduras subsidiary
Proceeds from long-term debt received during the period:
Current portion of long-term debt		1,001
Long-term debt (net of current portion)		12,798
Total		13,799
Trinidad subsidiary
Proceeds from long-term debt received during the period:
Current portion of long-term debt		750
Long-term debt (net of current portion)		4,250
Total		$ 5,000
Panama subsidiary
Proceeds from long-term debt received during the period:
Current portion of long-term debt	0
Long-term debt (net of current portion)	16,500
Total	$ 16,500