STOCKHOLDERS' EQUITY (Schedule of Components of Other Comprehensive Income (Loss) and Accumulated Other Comprehensive Loss) (Details) - USD ($) $ in Thousands		3 Months Ended			12 Months Ended
		Nov. 30, 2022	Nov. 30, 2021		Aug. 31, 2022
Accumulated Other Comprehensive Income (Loss) [Line Items]
Balance, Attributable to PriceSmart		$ 991,073
Other comprehensive income (loss), Attributable to PriceSmart		(551)	$ (6,128)
Balance, Attributable to PriceSmart		1,026,363			$ 991,073
Balance		991,073	916,214		916,214
Sale of Aeropost stock			(254)		(254)
Balance		1,026,363	942,146		991,073
Accumulated Other Comprehensive Loss [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Balance, Attributable to PriceSmart		(195,586)	(182,508)		(182,508)
Other comprehensive income (loss), Attributable to PriceSmart		(551)	(6,131)
Amount reclassified from accumulated other comprehensive income (loss), Attributable to PriceSmart					127
Balance, Attributable to PriceSmart		(196,137)	(188,639)		(195,586)
Balance		(195,586)	(182,508)		(182,508)
Balance		(196,137)	(188,639)		(195,586)
Foreign Currency Translation Adjustments [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Other comprehensive income (loss), Attributable to PriceSmart		(885)	(8,131)		(19,034)
Defined Benefit Pension Plans [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Other comprehensive income (loss), Attributable to PriceSmart	[1]	9	51		(341)
Derivative Instruments [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Other comprehensive income (loss), Attributable to PriceSmart		325	1,949	[2]	6,170	[2]
Other comprehensive income (loss)		325
AOCI Attributable to Noncontrolling Interest [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Balance			251		251
Sale of Aeropost stock			(254)		(254)
Accumulated Foreign Currency Adjustment Attributable to Noncontrolling Interest [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Other comprehensive income (loss)			3		3
AOCI Including Portion Attributable to Noncontrolling Interest [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Balance		(195,586)	(182,257)		(182,257)
Balance		(196,137)	(188,639)		(195,586)
Accumulated Foreign Currency Adjustment Including Portion Attributable to Noncontrolling Interest [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Other comprehensive income (loss)		(885)	(8,128)		(19,031)
Accumulated Defined Benefit Plans Adjustment Including Portion Attributable to Noncontrolling Interest [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Other comprehensive income (loss)	[1]	$ 9	51		(341)
Accumulated Derivative Instruments Including Portion Attributable To Noncontrolling Interest [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Other comprehensive income (loss)	[2]		$ 1,949		6,170
Reclassification From Other Comprehensive Income Loss Including Portion Attributable To Noncontrolling Interest [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Amounts reclassified from accumulated other comprehensive income (loss)					$ 127

[1] Amounts reclassified from accumulated other comprehensive income (loss) related to the minimum pension liability are included in warehouse club and other operations in the Company's consolidated statements of income.

[2] Refer to Note 8 - Derivative Instruments and Hedging Activities.