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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, 2017 USD ($) country warehouse | Feb. 29, 2016 USD ($) | Feb. 28, 2017 USD ($) country warehouse | Feb. 29, 2016 USD ($) | Aug. 31, 2016 USD ($)
Segment Reporting Information [Line Items] |  |  |  |  |  |
Number of stores | warehouse |  | 39 |  | 39 |  |
Number of countries | country |  | 13 |  | 13 |  |
Segment Reporting Information |  |  |  |  |  |
Revenues |  | $ 793,296 | $ 777,931 | $ 1,532,868 | $ 1,489,862 |
Depreciation and amortization |  | 11,445 | 9,529 | 22,562 | 18,732 |
Operating income/(loss) |  | 39,402 | 39,136 | 77,781 | 76,431 |
Net income/(loss) |  | 27,219 | 25,942 | 52,088 | 49,614 |
Capital expenditures, net |  | 68,399 | 14,404 | 86,403 | 33,751 |
Long-lived assets (other than deferred tax assets) |  | 601,913 | 494,843 | 601,913 | 494,843 | $ 536,286
Goodwill |  | 35,692 | 35,701 | 35,692 | 35,701 | 35,637
Total assets |  | 1,156,952 | 1,008,843 | 1,156,952 | 1,008,843 | 1,096,735
United States Operations [Member] |  |  |  |  |  |
Segment Reporting Information |  |  |  |  |  |
Revenues |  | 8,171 | 6,567 | 18,926 | 14,816 |
Depreciation and amortization |  | 1,475 | 1,031 | 3,049 | 1,961 |
Operating income/(loss) |  | 841 | 5,183 | 7,088 | 10,662 |
Net income/(loss) |  | 2,652 | 1,591 | 4,960 | 3,318 |
Capital expenditures, net |  | 49,792 | 2,418 | 52,129 | 3,327 |
Long-lived assets (other than deferred tax assets) |  | 68,872 | 16,776 | 68,872 | 16,776 | 19,222
Total assets |  | 126,494 | 72,661 | 126,494 | 72,661 | 100,744
Central American Operations [Member] |  |  |  |  |  |
Segment Reporting Information |  |  |  |  |  |
Revenues |  | 473,994 | 474,924 | 912,228 | 898,484 |
Depreciation and amortization |  | 5,140 | 4,570 | 10,004 | 8,811 |
Operating income/(loss) |  | 38,371 | 38,980 | 72,708 | 72,689 |
Net income/(loss) |  | 30,545 | 31,433 | 57,605 | 57,635 |
Capital expenditures, net |  | 15,461 | 4,497 | 26,217 | 15,678 |
Long-lived assets (other than deferred tax assets) |  | 288,855 | 265,262 | 288,855 | 265,262 | 271,039
Goodwill |  | 31,153 | 31,090 | 31,153 | 31,090 | 31,091
Total assets |  | 538,628 | 505,567 | 538,628 | 505,567 | 515,478
Caribbean Operations [Member] |  |  |  |  |  |
Segment Reporting Information |  |  |  |  |  |
Revenues |  | 219,515 | 230,035 | 426,537 | 441,698 |
Depreciation and amortization |  | 2,531 | 2,441 | 4,989 | 4,849 |
Operating income/(loss) |  | 13,958 | 14,658 | 26,484 | 28,248 |
Net income/(loss) |  | 8,568 | 13,100 | 19,741 | 24,903 |
Capital expenditures, net |  | 2,101 | 1,768 | 6,539 | 5,750 |
Long-lived assets (other than deferred tax assets) |  | 109,353 | 107,945 | 109,353 | 107,945 | 108,426
Goodwill |  | 4,539 | 4,611 | 4,539 | 4,611 | 4,546
Total assets |  | $ 300,983 | 280,293 | $ 300,983 | 280,293 | 287,088
Colombia [Member] |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |
Number of stores | warehouse |  | 7 |  | 7 |  |
Segment Reporting Information |  |  |  |  |  |
Revenues |  | $ 91,616 | 66,405 | $ 175,177 | 134,864 |
Depreciation and amortization |  | 2,299 | 1,487 | 4,520 | 3,111 |
Operating income/(loss) |  | 1,142 | (1,698) | 2,260 | (2,032) |
Net income/(loss) |  | 364 | (2,195) | 541 | (3,106) |
Capital expenditures, net |  | 1,045 | 5,721 | 1,518 | 8,996 |
Long-lived assets (other than deferred tax assets) |  | 134,833 | 104,860 | 134,833 | 104,860 | 137,599
Total assets |  | 190,847 | 150,322 | 190,847 | 150,322 | $ 193,425
Intersegment [Member] |  |  |  |  |  |
Segment Reporting Information |  |  |  |  |  |
Revenues | [1] | (271,556) | (246,367) | (590,926) | (562,426) |
Intersegment [Member] | United States Operations [Member] |  |  |  |  |  |
Segment Reporting Information |  |  |  |  |  |
Revenues |  | (270,369) | (245,041) | (588,031) | (559,662) |
Intersegment [Member] | Caribbean Operations [Member] |  |  |  |  |  |
Segment Reporting Information |  |  |  |  |  |
Revenues |  | (1,175) | (1,326) | (2,873) | (2,764) |
Intersegment [Member] | Colombia [Member] |  |  |  |  |  |
Segment Reporting Information |  |  |  |  |  |
Revenues |  | (12) |  | (22) |  |
Reconciling Items [Member] |  |  |  |  |  |
Segment Reporting Information |  |  |  |  |  |
Operating income/(loss) | [1] | (14,910) | (17,987) | (30,759) | (33,136) |
Net income/(loss) | [1] | $ (14,910) | $ (17,987) | $ (30,759) | $ (33,136) |
[1] | The reconciling items reflect the amount eliminated on consolidation of intersegment transactions.

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