COMPANY OVERVIEW AND BASIS OF PRESENTATION (Narrative) (Details)	1 Months Ended	3 Months Ended
	May 31, 2018 warehouse	Nov. 30, 2018 ft² country warehouse	Oct. 31, 2019 warehouse	Jun. 30, 2019 warehouse
Company Overview And Basis Of Presentation [Line Items]
Number of stores		41
Number of countries | country		12
Ownership interest		100.00%
Number of stores expected in the future		45
Colombia [Member]
Company Overview And Basis Of Presentation [Line Items]
Number of stores		7
Costa Rica [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
Square footage of club warehouse | ft²		187,000
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
Panama and Dominican Republic [Member]
Company Overview And Basis Of Presentation [Line Items]
Number of stores expected in the future	2
Scenario, Forecast [Member] | Panama [Member]
Company Overview And Basis Of Presentation [Line Items]
Number of stores			7	6
Scenario, Forecast [Member] | Dominican Republic [Member]
Company Overview And Basis Of Presentation [Line Items]
Number of stores				5
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