SEGMENTS (Schedule of Segment Revenues, Operating Costs and Balance Sheet Items) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Feb. 28, 2025	Feb. 29, 2024	Feb. 28, 2025	Feb. 29, 2024	Aug. 31, 2024
Segment Reporting Information [Line Items]
Revenue from external customers	$ 1,363,886	$ 1,291,950	$ 2,621,830	$ 2,458,425
Depreciation, property and equipment	21,767	20,491	42,629	39,985
Operating income	65,270	63,618	123,530	121,831
Net income	43,760	39,271	81,188	77,318
Long-lived assets (other than deferred tax assets)	1,137,842	1,113,846	1,137,842	1,113,846	$ 1,110,532
Goodwill	43,218	43,131	43,218	43,131	43,197
Total assets	2,092,665	2,036,776	2,092,665	2,036,776	2,022,694
Capital expenditures, net	32,672	67,387	61,044	104,469
Investment in unconsolidated affiliates					6,882
Operating Segments | United ‎States ‎Operations
Segment Reporting Information [Line Items]
Revenue from external customers	3,987	8,511	13,605	18,520
Depreciation, property and equipment	1,838	1,383	3,606	2,707
Operating income	(1,730)	7,896	(3,270)	17,845
Net income	(7,293)	3,092	(13,538)	6,417
Long-lived assets (other than deferred tax assets)	71,123	78,907	71,123	78,907	72,727
Goodwill	8,981	8,981	8,981	8,981	8,981
Total assets	213,789	223,669	213,789	223,669	220,076
Capital expenditures, net	2,060	708	2,632	3,647
Investment in unconsolidated affiliates					0
Operating Segments | Central ‎American ‎Operations
Segment Reporting Information [Line Items]
Revenue from external customers	823,871	780,314	1,584,167	1,480,881
Depreciation, property and equipment	11,112	10,688	22,056	20,698
Operating income	65,485	61,310	125,200	118,212
Net income	56,357	50,573	107,278	99,106
Long-lived assets (other than deferred tax assets)	637,494	609,451	637,494	609,451	614,382
Goodwill	24,208	24,116	24,208	24,116	24,193
Total assets	1,106,010	1,088,645	1,106,010	1,088,645	1,065,493
Capital expenditures, net	20,571	51,932	36,016	73,272
Investment in unconsolidated affiliates					6,882
Operating Segments | Caribbean Operations
Segment Reporting Information [Line Items]
Revenue from external customers	379,866	356,422	725,248	683,389
Depreciation, property and equipment	5,566	4,876	10,571	9,697
Operating income	28,188	26,718	54,278	50,050
Net income	22,720	21,019	44,397	40,100
Long-lived assets (other than deferred tax assets)	228,800	214,237	228,800	214,237	224,019
Goodwill	10,029	10,034	10,029	10,034	10,023
Total assets	487,795	434,125	487,795	434,125	451,265
Capital expenditures, net	7,042	10,338	16,932	19,327
Investment in unconsolidated affiliates					0
Operating Segments | Colombia Operations
Segment Reporting Information [Line Items]
Revenue from external customers	156,162	146,703	298,810	275,635
Depreciation, property and equipment	3,251	3,544	6,396	6,883
Operating income	5,398	4,592	9,823	8,209
Net income	4,047	1,485	5,552	4,180
Long-lived assets (other than deferred tax assets)	200,425	211,251	200,425	211,251	199,404
Goodwill	0	0	0	0	0
Total assets	285,071	290,337	285,071	290,337	285,860
Capital expenditures, net	2,999	4,409	5,464	8,223
Investment in unconsolidated affiliates					0
Intersegment revenues
Segment Reporting Information [Line Items]
Revenue from external customers	(503,694)	(446,341)	(1,031,472)	(901,195)
Intersegment revenues | United ‎States ‎Operations
Segment Reporting Information [Line Items]
Revenue from external customers	492,536	435,307	1,008,130	881,644
Intersegment revenues | Central ‎American ‎Operations
Segment Reporting Information [Line Items]
Revenue from external customers	7,688	8,462	17,021	14,554
Intersegment revenues | Caribbean Operations
Segment Reporting Information [Line Items]
Revenue from external customers	1,657	1,308	3,482	2,708
Intersegment revenues | Colombia Operations
Segment Reporting Information [Line Items]
Revenue from external customers	1,813	1,264	2,839	2,289
Reconciling Items
Segment Reporting Information [Line Items]
Revenue from external customers	0	0	0	0
Depreciation, property and equipment	0	0	0	0
Operating income	(32,071)	(36,898)	(62,501)	(72,485)
Net income	(32,071)	(36,898)	(62,501)	(72,485)
Long-lived assets (other than deferred tax assets)	0	0	0	0	0
Goodwill	0	0	0	0	0
Total assets	0	0	0	0	0
Capital expenditures, net	$ 0	$ 0	$ 0	$ 0
Investment in unconsolidated affiliates					$ 0