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