XML 55 R40.htm IDEA: XBRL DOCUMENT v3.21.2

COMPANY OVERVIEW AND BASIS OF PRESENTATION (Narrative) (Details)	Feb. 28, 2022 store	Aug. 31, 2021 country store
Company Overview And Basis Of Presentation [Line Items]
Number of stores		47
Number of countries | country		13
Number of countries that offer curbside pickup and delivery service | country		13
Ownership interest		100.00%
Scenario, Forecast [Member]
Company Overview And Basis Of Presentation [Line Items]
Number of stores	50
Colombia [Member]
Company Overview And Basis Of Presentation [Line Items]
Number of stores		8
Costa Rica [Member]
Company Overview And Basis Of Presentation [Line Items]
Number of stores		8
Panama [Member]
Company Overview And Basis Of Presentation [Line Items]
Number of stores		7
Dominican Republic [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
Guatemala [Member]
Company Overview And Basis Of Presentation [Line Items]
Number of stores		4
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
Guatemala City, Guatemala and Bucaramanga, Colombia [Member] | Scenario, Forecast [Member]
Company Overview And Basis Of Presentation [Line Items]
Number of stores	3
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

X

- Definition

Company Overview And Basis Of Presentation [Line Items]

+ References

No definition available.

+ Details

Name:	psmt_CompanyOverviewAndBasisOfPresentationLineItems
Namespace Prefix:	psmt_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Company Ownership Of All Legal Entities

+ References

No definition available.

+ Details

Name:	psmt_CompanyOwnershipOfAllLegalEntities
Namespace Prefix:	psmt_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Number of Countries in which Entity Operates, Curbside Pickup and Delivery Service Offered

+ References

No definition available.

+ Details

Name:	psmt_NumberOfCountriesInWhichEntityOperatesCurbsidePickupAndDeliveryServiceOffered
Namespace Prefix:	psmt_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

X

- Definition

The number of countries in which the entity operates as of balance sheet date.

+ References

No definition available.

+ Details

Name:	us-gaap_NumberOfCountriesInWhichEntityOperates
Namespace Prefix:	us-gaap_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Represents the number of stores.

+ References

No definition available.

+ Details

Name:	us-gaap_NumberOfStores
Namespace Prefix:	us-gaap_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

X

- Details

Name:	srt_StatementScenarioAxis=srt_ScenarioForecastMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_StatementGeographicalAxis=country_CO
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_StatementGeographicalAxis=country_CR
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_StatementGeographicalAxis=country_PA
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_StatementGeographicalAxis=country_DO
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_StatementGeographicalAxis=psmt_TrinidadMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_StatementGeographicalAxis=country_GT
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_StatementGeographicalAxis=country_HN
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_StatementGeographicalAxis=country_SV
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_StatementGeographicalAxis=country_NI
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_StatementGeographicalAxis=country_AW
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_StatementGeographicalAxis=country_BB
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_StatementGeographicalAxis=country_JM
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_StatementGeographicalAxis=country_VI
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_StatementGeographicalAxis=psmt_GuatemalaCityGuatemalaAndBucaramangaColombiaMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_GeographicDistributionAxis=us-gaap_GeographicDistributionForeignMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_GeographicDistributionAxis=us-gaap_GeographicDistributionDomesticMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_BusinessAcquisitionAxis=psmt_AeropostIncMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_StatementGeographicalAxis=srt_LatinAmericaMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: