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SEGMENTS (Summary of Segment Revenues, Operating Costs and Balance Sheet Items) (Details) $ in Thousands | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Feb. 28, 2018 USD ($) country warehouse | Feb. 28, 2017 USD ($) | Feb. 28, 2018 USD ($) country warehouse | Feb. 28, 2017 USD ($) | Aug. 31, 2017 USD ($)
Segment Reporting Information [Line Items] |  |  |  |  |  |
Number of stores | warehouse |  | 40 |  | 40 |  |
Number of countries | country |  | 13 |  | 13 |  |
Segment Reporting Information |  |  |  |  |  |
Revenues |  | $ 839,563 | $ 793,296 | $ 1,606,635 | $ 1,532,868 |
Depreciation and amortization |  | 12,575 | 11,445 | 24,812 | 22,562 |
Operating income |  | 37,264 | 39,402 | 70,430 | 77,781 |
Net income (loss) |  | 14,148 | 27,219 | 36,638 | 52,088 |
Capital expenditures, net |  | 22,131 | 68,399 | 45,634 | 86,403 |
Long-lived assets (other than deferred tax assets) |  | 640,185 | 601,913 | 640,185 | 601,913 | $ 616,090
Goodwill |  | 35,473 | 35,692 | 35,473 | 35,692 | 35,642
Total assets |  | 1,191,724 | 1,156,952 | 1,191,724 | 1,156,952 | 1,177,514
United States Operations Segment [Member] |  |  |  |  |  |
Segment Reporting Information |  |  |  |  |  |
Revenues |  | 9,138 | 8,171 | 17,285 | 18,926 |
Depreciation and amortization |  | 1,691 | 1,475 | 3,435 | 3,049 |
Operating income |  | 1,146 | 2,324 | 4,237 | 9,921 |
Net income (loss) |  | (13,825) | 4,135 | (14,390) | 7,793 |
Capital expenditures, net |  | 584 | 49,792 | 1,588 | 52,129 |
Long-lived assets (other than deferred tax assets) |  | 68,597 | 68,872 | 68,597 | 68,872 | 70,353
Total assets |  | 129,623 | 126,494 | 129,623 | 126,494 | 147,650
Central American Operations Segment [Member] |  |  |  |  |  |
Segment Reporting Information |  |  |  |  |  |
Revenues |  | 493,905 | 473,994 | 946,071 | 912,228 |
Depreciation and amortization |  | 5,886 | 5,140 | 11,409 | 10,004 |
Operating income |  | 36,673 | 37,462 | 69,206 | 70,966 |
Net income (loss) |  | 30,124 | 29,636 | 57,512 | 55,863 |
Capital expenditures, net |  | 11,191 | 15,461 | 22,561 | 26,217 |
Long-lived assets (other than deferred tax assets) |  | 308,085 | 288,855 | 308,085 | 288,855 | 296,915
Goodwill |  | 30,926 | 31,153 | 30,926 | 31,153 | 31,118
Total assets |  | 552,343 | 538,628 | 552,343 | 538,628 | 544,683
Caribbean Operations Segment [Member] |  |  |  |  |  |
Segment Reporting Information |  |  |  |  |  |
Revenues |  | 234,169 | 219,515 | 448,811 | 426,537 |
Depreciation and amortization |  | 2,732 | 2,531 | 5,409 | 4,989 |
Operating income |  | 13,601 | 13,611 | 25,225 | 25,825 |
Net income (loss) |  | 12,456 | 8,221 | 22,926 | 19,082 |
Capital expenditures, net |  | 9,332 | 2,101 | 19,629 | 6,539 |
Long-lived assets (other than deferred tax assets) |  | 136,589 | 109,353 | 136,589 | 109,353 | 122,616
Goodwill |  | 4,547 | 4,539 | 4,547 | 4,539 | 4,524
Total assets |  | 320,848 | 300,983 | 320,848 | 300,983 | 303,234
Colombia Operations Segment [Member] |  |  |  |  |  |
Segment Reporting Information |  |  |  |  |  |
Revenues |  | 102,351 | 91,616 | 194,468 | 175,177 |
Depreciation and amortization |  | 2,266 | 2,299 | 4,559 | 4,520 |
Operating income |  | 3,161 | 915 | 5,209 | 1,828 |
Net income (loss) |  | 2,710 | 137 | 4,037 | 109 |
Capital expenditures, net |  | 1,024 | 1,045 | 1,856 | 1,518 |
Long-lived assets (other than deferred tax assets) |  | 126,914 | 134,833 | 126,914 | 134,833 | 126,206
Total assets |  | $ 188,910 | 190,847 | $ 188,910 | 190,847 | $ 181,947
Colombia [Member] |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |
Number of stores | warehouse |  | 7 |  | 7 |  |
Intersegment [Member] |  |  |  |  |  |
Segment Reporting Information |  |  |  |  |  |
Revenues | [1] | $ (275,151) | (271,556) | $ (616,684) | (590,926) |
Intersegment [Member] | United States Operations Segment [Member] |  |  |  |  |  |
Segment Reporting Information |  |  |  |  |  |
Revenues |  | (274,061) | (270,369) | (614,189) | (588,031) |
Intersegment [Member] | Caribbean Operations Segment [Member] |  |  |  |  |  |
Segment Reporting Information |  |  |  |  |  |
Revenues |  | (971) | (1,175) | (2,178) | (2,873) |
Intersegment [Member] | Colombia Operations Segment [Member] |  |  |  |  |  |
Segment Reporting Information |  |  |  |  |  |
Revenues |  | (119) | (12) | (317) | (22) |
Reconciling Items [Member] |  |  |  |  |  |
Segment Reporting Information |  |  |  |  |  |
Operating income | [1] | (17,317) | (14,910) | (33,447) | (30,759) |
Net income (loss) | [1] | $ (17,317) | $ (14,910) | $ (33,447) | $ (30,759) |
[1] | The reconciling items reflect the amount eliminated on consolidation of intersegment transactions.

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