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DERIVATIVE INSTRUMENTS AND HEDGING ACTIVITIES (Schedule of Interest Rate Derivatives) (Details) - Cash Flow Hedging [Member] - USD ($) | Aug. 31, 2018 | Feb. 28, 2018 | Feb. 26, 2018 | Feb. 25, 2018
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Pricesmart $35.7M Interest Rate Swap [Member] |  |  |  |  |
Derivative [Line Items] |  |  |  |  |
Derivative, Notional amount |  | $ 35,700,000 |  |  |
Debt instrument, Basis spread on variable rate |  | 1.70% |  |  |
Derivative, Fixed interest rate |  | 3.65% |  |  |
Costa Rica $7.5M Cross Currency Interest Rate Swap [Member] |  |  |  |  |
Derivative [Line Items] |  |  |  |  |
Derivative, Notional amount |  | $ 7,500,000 |  |  |
Debt instrument, Basis spread on variable rate |  | 2.50% |  |  |
Derivative, Fixed interest rate |  | 7.65% |  |  |
Honduras $8.5M Cross Currency Interest Rate Swap [Member] |  |  |  |  |
Derivative [Line Items] |  |  |  |  |
Derivative, Notional amount | [1] | $ 8,500,000 |  |  |
Debt instrument, Basis spread on variable rate |  | 3.25% |  |  |
Derivative, Fixed interest rate | [1] | 10.75% |  |  |
Honduras $13.5M Cross Currency Interest Rate Swap [Member] |  |  |  |  |
Derivative [Line Items] |  |  |  |  |
Derivative, Notional amount | [1] | $ 13,500,000 |  |  |
Debt instrument, Basis spread on variable rate |  | 3.00% |  |  |
Derivative, Fixed interest rate | [1] | 9.75% |  |  |
Honduras $13.5M Cross Currency Interest Rate Swap [Member] | Honduras Subsidiary [Member] |  |  |  |  |
Derivative [Line Items] |  |  |  |  |
Derivative, Notional amount |  |  |  | $ 5,600,000 | $ 7,900,000
Debt instrument, Basis spread on variable rate |  |  | 3.00% |  |
El Salvador $4M Interest Rate Swap [Member] |  |  |  |  |
Derivative [Line Items] |  |  |  |  |
Derivative, Notional amount |  | $ 4,000,000 |  |  |
Debt instrument, Basis spread on variable rate |  | 3.50% |  |  |
Derivative, Fixed interest rate |  | 4.78% |  |  |
Colombia $15M Cross Currency Interest Rate Swap [Member] |  |  |  |  |
Derivative [Line Items] |  |  |  |  |
Derivative, Notional amount |  | $ 15,000,000 |  |  |
Debt instrument, Basis spread on variable rate |  | 2.80% |  |  |
Derivative, Fixed interest rate |  | 8.25% |  |  |
Panama $10M Interest Rate Swap [Member] |  |  |  |  |
Derivative [Line Items] |  |  |  |  |
Derivative, Notional amount |  | $ 10,000,000 |  |  |
Debt instrument, Basis spread on variable rate |  | 3.50% |  |  |
Derivative, Fixed interest rate |  | 5.16% |  |  |
Honduras $5M Cross Currency Interest Rate Swap [Member] |  |  |  |  |
Derivative [Line Items] |  |  |  |  |
Derivative, Notional amount |  | $ 5,000,000 |  |  |
Debt instrument, Basis spread on variable rate |  | 3.50% |  |  |
Derivative, Fixed interest rate |  | 11.60% |  |  |
Panama $5M Interest Rate Swap [Member] |  |  |  |  |
Derivative [Line Items] |  |  |  |  |
Derivative, Notional amount |  | $ 5,000,000 |  |  |
Debt instrument, Basis spread on variable rate |  | 3.50% |  |  |
Derivative, Fixed interest rate |  | 4.89% |  |  |
Panama $4M Interest Rate Swap [Member] |  |  |  |  |
Derivative [Line Items] |  |  |  |  |
Derivative, Notional amount |  | $ 3,970,000 |  |  |
Debt instrument, Basis spread on variable rate |  | 3.50% |  |  |
Derivative, Fixed interest rate |  | 4.98% |  |  |
Panama $15M Interest Rate Swap [Member] |  |  |  |  |
Derivative [Line Items] |  |  |  |  |
Derivative, Notional amount |  | $ 14,625,000 |  |  |
Debt instrument, Basis spread on variable rate |  | 3.00% |  |  |
Derivative, Fixed interest rate |  | 5.99% |  |  |
[1] | In February 2018, the Company's Honduras subsidiary refinanced its portfolio of loans entered into with Citibank. The original notional amount of this portfolio of loans was $13.5 million, which the Company drew down in fiscal year 2015. There was approximately $7.9 million of remaining principal at the time of refinancing. Under the refinancing agreement, the portfolio of loans was combined into one loan and the notional amount of the loan increased back to the original $13.5 million, with the interest rate set at the 90 day LIBOR rate plus 3.0%. In conjunction with the refinancing of these loans, the Company's Honduras subsidiary drew down the additional $5.6 million notional amount during February 2018. As part of the terms, the existing cash flow hedge related to the original loan, was de-designated and incorporated into a new hedging relationship where the Company's Honduras subsidiary has entered into a cross-currency interest rate swap with Citibank. Under this new hedge agreement, the Company's Honduras subsidiary will pay Honduras Lempiras, at a fixed interest rate of 9.75%.

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