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COMPANY OVERVIEW AND BASIS OF PRESENTATION (Narrative) (Details) | 9 Months Ended |  |
--- | --- | --- | ---
May 31, 2017 USD ($) | May 31, 2018 ft² warehouse country | Oct. 31, 2017 warehouse
Company Overview And Basis Of Presentation [Line Items] |  |  |
Number of stores |  | 41 |
Number of countries | country |  | 13 |
Excess tax benefits, Operating activities | $ | $ 231,000 |  |
Subsidiaries [Member] |  |  |
Company Overview And Basis Of Presentation [Line Items] |  |  |
Noncontrolling interest |  | 100.00% |
Costa Rica [Member] |  |  |
Company Overview And Basis Of Presentation [Line Items] |  |  |
Number of stores |  | 7 | 1
Colombia [Member] |  |  |
Company Overview And Basis Of Presentation [Line Items] |  |  |
Number of stores |  | 7 |
Panama [Member] |  |  |
Company Overview And Basis Of Presentation [Line Items] |  |  |
Number of stores |  | 5 |
Trinidad [Member] |  |  |
Company Overview And Basis Of Presentation [Line Items] |  |  |
Number of stores |  | 4 |
Dominican Republic [Member] |  |  |
Company Overview And Basis Of Presentation [Line Items] |  |  |
Number of stores |  | 4 |
Guatemala [Member] |  |  |
Company Overview And Basis Of Presentation [Line Items] |  |  |
Number of stores |  | 3 |
Honduras [Member] |  |  |
Company Overview And Basis Of Presentation [Line Items] |  |  |
Number of stores |  | 3 |
El Salvador [Member] |  |  |
Company Overview And Basis Of Presentation [Line Items] |  |  |
Number of stores |  | 2 |
Nicaragua [Member] |  |  |
Company Overview And Basis Of Presentation [Line Items] |  |  |
Number of stores |  | 2 |
Aruba [Member] |  |  |
Company Overview And Basis Of Presentation [Line Items] |  |  |
Number of stores |  | 1 |
Barbados [Member] |  |  |
Company Overview And Basis Of Presentation [Line Items] |  |  |
Number of stores |  | 1 |
Jamaica [Member] |  |  |
Company Overview And Basis Of Presentation [Line Items] |  |  |
Number of stores |  | 1 |
United States Virgin Islands [Member] |  |  |
Company Overview And Basis Of Presentation [Line Items] |  |  |
Number of stores |  | 1 |
Foreign Countries [Member] |  |  |
Company Overview And Basis Of Presentation [Line Items] |  |  |
Number of countries | country |  | 12 |
Domestic Territories [Member] |  |  |
Company Overview And Basis Of Presentation [Line Items] |  |  |
Number of countries | country |  | 1 |
Aeropost, Inc [Member] | Latin America [Member] |  |  |
Company Overview And Basis Of Presentation [Line Items] |  |  |
Number of countries | country |  | 38 |
Minimum [Member] |  |  |
Company Overview And Basis Of Presentation [Line Items] |  |  |
Square footage of club warehouse | ft² |  | 50,000 |
Minimum [Member] | Panama and Dominican Republic [Member] |  |  |
Company Overview And Basis Of Presentation [Line Items] |  |  |
Square footage of club warehouse | ft² |  | 30,000 |
Maximum [Member] |  |  |
Company Overview And Basis Of Presentation [Line Items] |  |  |
Square footage of club warehouse | ft² |  | 60,000 |
Maximum [Member] | Panama and Dominican Republic [Member] |  |  |
Company Overview And Basis Of Presentation [Line Items] |  |  |
Square footage of club warehouse | ft² |  | 40,000 |

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