SEGMENTS (Schedule of Segment Revenues, Operating Costs and Balance Sheet Items) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Feb. 29, 2024	Feb. 28, 2023	Feb. 29, 2024	Feb. 28, 2023	Aug. 31, 2023
Segment Reporting Information [Line Items]
Revenue from external customers	$ 1,291,950	$ 1,142,189	$ 2,458,425	$ 2,196,995
Depreciation, property and equipment	20,491	17,494	39,985	34,678
Operating income (loss)	63,618	53,800	121,831	109,327
Net income (loss)	39,271	31,347	77,318	64,252
Long-lived assets (other than deferred tax assets)	1,113,846	978,318	1,113,846	978,318	$ 1,053,353
Goodwill	43,131	43,185	43,131	43,185	43,110
Total assets	2,036,776	1,886,172	2,036,776	1,886,172	2,005,608
Capital expenditures, net	67,387	28,404	104,469	53,823
Amortization, Intangibles		381		765
Investment in unconsolidated affiliates					10,479
Operating Segments | United ‎States ‎Operations
Segment Reporting Information [Line Items]
Revenue from external customers	8,511	6,882	18,520	17,340
Depreciation, property and equipment	1,383	1,478	2,707	2,856
Operating income (loss)	7,896	6,964	17,845	20,556
Net income (loss)	3,092	1,279	6,417	7,104
Long-lived assets (other than deferred tax assets)	78,907	74,226	78,907	74,226	71,919
Goodwill	8,981	8,981	8,981	8,981	8,981
Total assets	223,669	221,076	223,669	221,076	302,115
Capital expenditures, net	708	3,338	3,647	8,829
Amortization, Intangibles		381		765
Investment in unconsolidated affiliates					0
Operating Segments | Central ‎American ‎Operations
Segment Reporting Information [Line Items]
Revenue from external customers	780,314	694,210	1,480,881	1,323,289
Depreciation, property and equipment	10,688	8,925	20,698	17,724
Operating income (loss)	61,310	56,633	118,212	106,763
Net income (loss)	50,573	46,442	99,106	88,448
Long-lived assets (other than deferred tax assets)	609,451	524,474	609,451	524,474	566,139
Goodwill	24,116	24,149	24,116	24,149	24,083
Total assets	1,088,645	959,064	1,088,645	959,064	995,881
Capital expenditures, net	51,932	16,067	73,272	28,311
Amortization, Intangibles		0		0
Investment in unconsolidated affiliates					10,479
Operating Segments | Caribbean Operations
Segment Reporting Information [Line Items]
Revenue from external customers	356,422	332,306	683,389	639,831
Depreciation, property and equipment	4,876	4,792	9,697	9,423
Operating income (loss)	26,718	25,474	50,050	49,977
Net income (loss)	21,019	20,424	40,100	39,708
Long-lived assets (other than deferred tax assets)	214,237	209,684	214,237	209,684	210,000
Goodwill	10,034	10,055	10,034	10,055	10,046
Total assets	434,125	474,637	434,125	474,637	425,145
Capital expenditures, net	10,338	3,968	19,327	7,369
Amortization, Intangibles		0		0
Investment in unconsolidated affiliates					0
Operating Segments | Colombia Operations
Segment Reporting Information [Line Items]
Revenue from external customers	146,703	108,791	275,635	216,535
Depreciation, property and equipment	3,544	2,299	6,883	4,675
Operating income (loss)	4,592	4,662	8,209	9,530
Net income (loss)	1,485	3,135	4,180	6,491
Long-lived assets (other than deferred tax assets)	211,251	169,934	211,251	169,934	205,295
Goodwill	0	0	0	0	0
Total assets	290,337	231,395	290,337	231,395	282,467
Capital expenditures, net	4,409	5,031	8,223	9,314
Amortization, Intangibles		0		0
Investment in unconsolidated affiliates					0
Intersegment Eliminations
Segment Reporting Information [Line Items]
Revenue from external customers	(446,341)	(374,290)	(901,195)	(790,731)
Intersegment Eliminations | United ‎States ‎Operations
Segment Reporting Information [Line Items]
Revenue from external customers	435,307	365,177	881,644	772,817
Intersegment Eliminations | Central ‎American ‎Operations
Segment Reporting Information [Line Items]
Revenue from external customers	8,462	6,801	14,554	13,383
Intersegment Eliminations | Caribbean Operations
Segment Reporting Information [Line Items]
Revenue from external customers	1,308	1,137	2,708	2,651
Intersegment Eliminations | Colombia Operations
Segment Reporting Information [Line Items]
Revenue from external customers	1,264	1,175	2,289	1,880
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 (loss)	(36,898)	(39,933)	(72,485)	(77,499)
Net income (loss)	(36,898)	(39,933)	(72,485)	(77,499)
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
Amortization, Intangibles		$ 0		$ 0
Investment in unconsolidated affiliates					$ 0