v3.26.3
SEGMENTS (Summary of Segment Revenues, Operating Costs and Balance Sheet Items) (Details) - USD ($)
$ in Thousands
 12 Months Ended
Aug. 31, 2026
Aug. 31, 2025
Aug. 31, 2024
Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Geographical Area, Revenue and Long-Lived Asset [Line Items]      
Revenue from external customers $ 5,876,324 $ 5,270,094 $ 4,913,898
Cost of goods sold 4,837,835 4,355,722 4,066,974
Warehouse club and other operations 562,992 498,409 466,457
General and administrative 214,480 183,453 159,523
Operating income (loss) 261,017 232,510 220,944
Interest income 13,136 10,139 11,049
Interest expense (16,767) (11,515) (12,959)
Provision for income taxes (61,112) (58,617) (62,618)
Other segment items (29,688) (24,630) (17,541)
Net income (loss) 166,586 147,887 138,875
Depreciation and amortization (99,502) (88,161) (82,611)
Long-lived assets (other than deferred tax assets) 1,440,838 1,210,230 1,110,532
Goodwill 43,286 43,238 43,197
Investment in unconsolidated affiliates   6,889 6,882
Total assets 2,602,927 2,269,157 2,022,694
Capital expenditures, net 216,709 154,131 171,542
United ‎States ‎Operations      
Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Geographical Area, Revenue and Long-Lived Asset [Line Items]      
Revenue from external customers 4,616 15,548 39,438
Central ‎American ‎Operations      
Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Geographical Area, Revenue and Long-Lived Asset [Line Items]      
Revenue from external customers 3,497,072 3,192,159 2,965,772
Caribbean Operations      
Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Geographical Area, Revenue and Long-Lived Asset [Line Items]      
Revenue from external customers 1,540,980 1,443,074 1,352,030
Colombia Operations      
Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Geographical Area, Revenue and Long-Lived Asset [Line Items]      
Revenue from external customers 833,656 619,313 556,658
Operating Segments      
Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Geographical Area, Revenue and Long-Lived Asset [Line Items]      
Total assets 268,594 300,177 220,076
Operating Segments | United ‎States ‎Operations      
Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Geographical Area, Revenue and Long-Lived Asset [Line Items]      
Revenue from external customers 2,199,883 2,001,947 1,798,773
Cost of goods sold 1,486 14,364 37,484
Warehouse club and other operations 0 0 0
General and administrative 209,273 179,696 156,260
Operating income (loss) (17,664) (18,401) 22,306
Interest income 1,801 1,557 2,382
Interest expense (1,744) (1,218) (1,118)
Provision for income taxes (24,114) (19,723) (20,961)
Other segment items (559) (1,870) 153
Net income (loss) (40,708) (38,687) 5,119
Depreciation and amortization (8,137) (7,751) (5,963)
Long-lived assets (other than deferred tax assets) 108,934 90,663 72,727
Goodwill 8,981 8,981 8,981
Investment in unconsolidated affiliates   0 0
Capital expenditures, net 15,056 27,477 10,591
Operating Segments | Central ‎American ‎Operations      
Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Geographical Area, Revenue and Long-Lived Asset [Line Items]      
Revenue from external customers 3,530,044 3,226,359 2,996,873
Cost of goods sold 2,875,587 2,632,429 2,448,195
Warehouse club and other operations 315,568 286,736 265,157
General and administrative 2,993 3,447 2,323
Operating income (loss) 245,416 216,588 183,486
Interest income 6,888 6,262 7,291
Interest expense (3,577) (3,134) (2,843)
Provision for income taxes (29,632) (29,601) (31,761)
Other segment items (11,426) (5,936) (8,545)
Net income (loss) 211,126 188,269 148,117
Depreciation and amortization (50,044) (45,111) (42,990)
Long-lived assets (other than deferred tax assets) 721,724 659,756 614,382
Goodwill 24,288 24,254 24,193
Investment in unconsolidated affiliates   6,889 6,882
Total assets 1,321,892 1,147,392 1,065,493
Capital expenditures, net 97,377 78,241 108,506
Operating Segments | Caribbean Operations      
Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Geographical Area, Revenue and Long-Lived Asset [Line Items]      
Revenue from external customers 1,550,335 1,450,564 1,357,671
Cost of goods sold 1,264,797 1,187,006 1,111,804
Warehouse club and other operations 152,608 143,332 133,723
General and administrative 1,240 134 821
Operating income (loss) 96,861 89,036 74,875
Interest income 4,056 2,100 1,175
Interest expense (5,724) (1,955) (2,719)
Provision for income taxes (5,259) (6,766) (8,880)
Other segment items (19,260) (15,364) (7,235)
Net income (loss) 68,599 65,354 56,438
Depreciation and amortization (25,930) (22,527) (19,607)
Long-lived assets (other than deferred tax assets) 353,572 262,543 224,019
Goodwill 10,017 10,003 10,023
Investment in unconsolidated affiliates   0 0
Total assets 631,026 534,654 451,265
Capital expenditures, net 88,410 39,488 38,777
Operating Segments | Colombia Operations      
Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Geographical Area, Revenue and Long-Lived Asset [Line Items]      
Revenue from external customers 843,652 625,806 561,473
Cost of goods sold 695,965 521,923 469,491
Warehouse club and other operations 94,816 68,341 67,577
General and administrative 974 176 119
Operating income (loss) 32,765 28,588 15,335
Interest income 391 220 201
Interest expense (5,722) (5,208) (6,279)
Provision for income taxes (2,107) (2,527) (1,016)
Other segment items 1,557 (1,460) (1,914)
Net income (loss) 23,578 16,255 4,224
Depreciation and amortization (15,391) (12,772) (14,051)
Long-lived assets (other than deferred tax assets) 256,608 197,268 199,404
Goodwill 0 0 0
Investment in unconsolidated affiliates   0 0
Total assets 381,415 286,934 285,860
Capital expenditures, net 15,866 8,925 13,668
Reconciling Items      
Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Geographical Area, Revenue and Long-Lived Asset [Line Items]      
Cost of goods sold 0 0 0
Warehouse club and other operations 0 0 0
General and administrative 0 0 0
Operating income (loss) (96,361) (83,301) (75,058)
Interest income 0 0 0
Interest expense 0 0 0
Provision for income taxes 0 0 0
Other segment items 0 0 0
Net income (loss) (96,009) (83,304) (75,023)
Depreciation and amortization 0 0 0
Long-lived assets (other than deferred tax assets) 0 0 0
Goodwill 0 0 0
Investment in unconsolidated affiliates   0 0
Total assets 0 0 0
Capital expenditures, net 0 0 0
Corporate And Eliminations      
Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Geographical Area, Revenue and Long-Lived Asset [Line Items]      
Revenue from external customers (2,247,590) (2,034,582) (1,800,892)
Intersegment revenues      
Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Geographical Area, Revenue and Long-Lived Asset [Line Items]      
Revenue from external customers (2,247,590) (2,034,582) (1,800,892)
Cost of goods sold (2,151,229) (1,951,281) (1,725,834)
General and administrative 0 0 0
Interest income (10,110) (13,009) (9,014)
Interest expense 10,462 13,006 9,049
Intersegment revenues | United ‎States ‎Operations      
Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Geographical Area, Revenue and Long-Lived Asset [Line Items]      
Revenue from external customers 2,195,267 1,986,399 1,759,335
Cost of goods sold 2,100,031 1,904,809 1,685,054
General and administrative (93,243) (78,521) (102,331)
Interest income 4,694 5,656 4,618
Interest expense (3,122) (4,688) (2,261)
Intersegment revenues | Central ‎American ‎Operations      
Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Geographical Area, Revenue and Long-Lived Asset [Line Items]      
Revenue from external customers 32,972 34,200 31,101
Cost of goods sold 32,201 33,507 30,385
General and administrative 58,279 53,652 67,327
Interest income 5,414 6,955 4,020
Interest expense (1,957) (2,865) (3,531)
Intersegment revenues | Caribbean Operations      
Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Geographical Area, Revenue and Long-Lived Asset [Line Items]      
Revenue from external customers 9,355 7,490 5,641
Cost of goods sold 9,202 6,620 5,676
General and administrative 25,627 24,436 30,772
Interest income 2 398 376
Interest expense (2,077) (2,095) (1,154)
Intersegment revenues | Colombia Operations      
Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Geographical Area, Revenue and Long-Lived Asset [Line Items]      
Revenue from external customers 9,996 6,493 4,815
Cost of goods sold 9,795 6,345 4,719
General and administrative 9,337 433 4,232
Interest income 0 0 0
Interest expense (3,306) (3,358) (2,103)
Reconciling Item      
Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Geographical Area, Revenue and Long-Lived Asset [Line Items]      
Revenue from external customers $ 0 $ 0 $ 0