XML 61 R46.htm IDEA: XBRL DOCUMENT v3.25.3

COMPANY OVERVIEW AND BASIS OF PRESENTATION (Details)	3 Months Ended	9 Months Ended	18 Months Ended
	May 31, 2026 property	Nov. 30, 2026 property warehouse	Nov. 30, 2026 property warehouse	Aug. 31, 2025 warehouse	Aug. 31, 2025 country	Aug. 31, 2025	Aug. 31, 2025 store
Company Overview And Basis Of Presentation [Line Items]
Number of stores				56			56
Ownership interest						100.00%
Forecast
Company Overview And Basis Of Presentation [Line Items]
Number of stores		59	59
Number of stores expected in the future | property		3
Colombia
Company Overview And Basis Of Presentation [Line Items]
Number of stores				10
Costa Rica
Company Overview And Basis Of Presentation [Line Items]
Number of stores				9
Panama
Company Overview And Basis Of Presentation [Line Items]
Number of stores				7
Guatemala
Company Overview And Basis Of Presentation [Line Items]
Number of stores				7
Dominican Republic
Company Overview And Basis Of Presentation [Line Items]
Number of stores				5
Dominican Republic | Forecast
Company Overview And Basis Of Presentation [Line Items]
Number of stores expected in the future | property	1
Trinidad
Company Overview And Basis Of Presentation [Line Items]
Number of stores				4
El Salvador
Company Overview And Basis Of Presentation [Line Items]
Number of stores				4
Honduras
Company Overview And Basis Of Presentation [Line Items]
Number of stores				3
Nicaragua
Company Overview And Basis Of Presentation [Line Items]
Number of stores				2
Jamaica
Company Overview And Basis Of Presentation [Line Items]
Number of stores				2
Jamaica | Forecast
Company Overview And Basis Of Presentation [Line Items]
Number of stores expected in the future | property			1
Aruba
Company Overview And Basis Of Presentation [Line Items]
Number of stores				1
Barbados
Company Overview And Basis Of Presentation [Line Items]
Number of stores				1
U.S. Virgin Islands
Company Overview And Basis Of Presentation [Line Items]
Number of stores				1
Foreign Countries
Company Overview And Basis Of Presentation [Line Items]
Number of countries | country					12
Domestic Territories
Company Overview And Basis Of Presentation [Line Items]
Number of countries | country					1
Domestic Territories | U.S. federal
Company Overview And Basis Of Presentation [Line Items]
Number of countries | country					1

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:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Number Of Stores, Expected Openings

+ References

No definition available.

+ Details

Name:	psmt_NumberOfStoresExpectedOpenings
Namespace Prefix:	psmt_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

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_GT
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=country_TT
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_HN
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_JM
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_VI
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:	srt_StatementGeographicalAxis=country_US
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: