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RELATED-PARTY TRANSACTIONS (Details)			12 Months Ended
RELATED-PARTY TRANSACTIONS (Details)	Jan. 01, 2026 USD ($) installment	Dec. 12, 2013 item	Aug. 31, 2026 USD ($)	Aug. 31, 2025 USD ($)	Aug. 31, 2024 USD ($)	Feb. 03, 2023 USD ($)	Jul. 14, 2017 ft²	Jul. 14, 2017 m²	Dec. 12, 2013 ft²	Dec. 12, 2013 m²
Refused Compensation \| Founder and Chairman of the Board
Related Party Transaction [Line Items]
Amount of unrecorded hypothetical liability						$ 5,100,000
Edgar Zurcher Law Firm \| Rental Income \| Director
Related Party Transaction [Line Items]
Revenues			$ 619,000	$ 708,000	$ 632,000
Edgar Zurcher Law Firm \| Product Purchases
Related Party Transaction [Line Items]
Related party transaction, purchases from related party			$ 1,900,000	1,700,000	1,700,000
Edgar Zurcher Law Firm \| Payless ShoeSource Holdings, Ltd.
Related Party Transaction [Line Items]
Ownership percentage in unaffiliated entity			40.00%
Price Philanthropies Foundation \| Related Party
Related Party Transaction [Line Items]
Revenues	$ 833,112		$ 336,000	337,000	336,000
Grant agreement, period	1 year
Due from affiliates, deferred	$ 1,249,668
Number of quarterly installments \| installment	4
Due from affiliates, current	$ 312,417
PriceSmart Foundation \| Related Party
Related Party Transaction [Line Items]
Related party transaction, purchases from related party				$ 150,000
Golfpark Plaza S.a. \| Corporate Joint Venture \| Panama
Related Party Transaction [Line Items]
Area of property							2,992	278	17,976	1,670
Operating leases, term		15 years
Number of renewal options \| item		3
Renewal term		5 years		5 years
Operating leases, rent expense, net				$ 140,000	140,000
La Jolla Aviation \| Related Party
Related Party Transaction [Line Items]
Travel and entertainment expense			$ 151,000	$ 210,000	$ 400,000