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STOCKHOLDERS' EQUITY (Schedule of Components of Other Comprehensive Income (Loss) and Accumulated Other Comprehensive Loss) (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended | 12 Months Ended
--- | --- | --- | ---
Feb. 28, 2022 | Feb. 28, 2021 | Feb. 28, 2022 | Feb. 28, 2021 | Aug. 31, 2021
Accumulated Other Comprehensive Income (Loss) [Line Items] |  |  |  |  |  |  |  |
Balance, Attributable to PriceSmart |  |  |  |  | $ 915,345 |  |  |
Other comprehensive income (loss), Attributable to PriceSmart |  | $ 4,226 | $ (1,093) |  | (1,902) | $ 2,100 |  |
Balance, Attributable to PriceSmart |  | 953,884 |  |  | 953,884 |  | $ 915,345 |
Balance |  | 942,146 | 867,291 |  | 916,214 | 832,732 | 832,732 |
Balance |  | 953,884 | 875,251 |  | 953,884 | 875,251 | 916,214 |
Accumulated Other Comprehensive Loss [Member] |  |  |  |  |  |  |  |
Accumulated Other Comprehensive Income (Loss) [Line Items] |  |  |  |  |  |  |  |
Balance, Attributable to PriceSmart |  |  |  |  | (182,508) | (176,820) | (176,820) |
Other comprehensive income (loss), Attributable to PriceSmart |  | 4,226 | (1,120) |  | (1,905) | 2,042 |  |
Balance, Attributable to PriceSmart |  | (184,413) | (174,778) |  | (184,413) | (174,778) | (182,508) |
Balance |  | (188,639) | (173,658) |  | (182,508) | (176,820) | (176,820) |
Balance |  | (184,413) | (174,778) |  | (184,413) | (174,778) | (182,508) |
Foreign Currency Translation Adjustments [Member] |  |  |  |  |  |  |  |
Accumulated Other Comprehensive Income (Loss) [Line Items] |  |  |  |  |  |  |  |
Other comprehensive income (loss), Attributable to PriceSmart |  |  | 430 |  | (5,718) |  | (7,837) |
Defined Benefit Pension Plans [Member] |  |  |  |  |  |  |  |
Accumulated Other Comprehensive Income (Loss) [Line Items] |  |  |  |  |  |  |  |
Other comprehensive income (loss), Attributable to PriceSmart | [1] |  | 128 |  | 101 |  | (230) |
Derivative Instruments [Member] |  |  |  |  |  |  |  |
Accumulated Other Comprehensive Income (Loss) [Line Items] |  |  |  |  |  |  |  |
Other comprehensive income (loss), Attributable to PriceSmart |  |  | 1,484 | [2] | 3,712 |  | 2,252 | [2]
Other comprehensive income (loss) |  |  |  |  | 3,712 |  |  |
Sale Of Aeropost [Member] |  |  |  |  |  |  |  |
Accumulated Other Comprehensive Income (Loss) [Line Items] |  |  |  |  |  |  |  |
Other comprehensive income (loss) | [2] |  |  |  | (254) |  |  |
AOCI Attributable to Noncontrolling Interest [Member] |  |  |  |  |  |  |  |
Accumulated Other Comprehensive Income (Loss) [Line Items] |  |  |  |  |  |  |  |
Balance |  |  |  |  | 251 | 134 | 134 |
Balance |  |  | 192 |  |  | 192 | 251 |
Accumulated Foreign Currency Adjustment Attributable to Noncontrolling Interest [Member] |  |  |  |  |  |  |  |
Accumulated Other Comprehensive Income (Loss) [Line Items] |  |  |  |  |  |  |  |
Other comprehensive income (loss) |  |  | 58 |  | 3 |  | 117 |
Reclassification From Other Comprehensive Income (Loss) Attributable To Noncontrolling Interest [Member] |  |  |  |  |  |  |  |
Accumulated Other Comprehensive Income (Loss) [Line Items] |  |  |  |  |  |  |  |
Amount reclassified from accumulated other comprehensive income (loss), Attributable to PriceSmart |  |  |  |  |  |  | 127 |
AOCI Including Portion Attributable to Noncontrolling Interest [Member] |  |  |  |  |  |  |  |
Accumulated Other Comprehensive Income (Loss) [Line Items] |  |  |  |  |  |  |  |
Balance |  |  |  |  | (182,257) | (176,686) | (176,686) |
Balance |  | $ (184,413) | (174,586) |  | (184,413) | $ (174,586) | (182,257) |
Accumulated Foreign Currency Adjustment Including Portion Attributable to Noncontrolling Interest [Member] |  |  |  |  |  |  |  |
Accumulated Other Comprehensive Income (Loss) [Line Items] |  |  |  |  |  |  |  |
Other comprehensive income (loss) |  |  | 488 |  | (5,715) |  | (7,720) |
Accumulated Defined Benefit Plans Adjustment Including Portion Attributable to Noncontrolling Interest [Member] |  |  |  |  |  |  |  |
Accumulated Other Comprehensive Income (Loss) [Line Items] |  |  |  |  |  |  |  |
Other comprehensive income (loss) | [1] |  | 128 |  | $ 101 |  | (230) |
Accumulated Derivative Instruments Including Portion Attributable To Noncontrolling Interest [Member] |  |  |  |  |  |  |  |
Accumulated Other Comprehensive Income (Loss) [Line Items] |  |  |  |  |  |  |  |
Other comprehensive income (loss) | [2] |  | $ 1,484 |  |  |  | 2,252 |
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.

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