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UNCONSOLIDATED AFFILIATES (Summary of Financial Information of Unconsolidated Affiliates) (Details) - USD ($) $ in Thousands | 12 Months Ended
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Aug. 31, 2018 | Aug. 31, 2017 | Aug. 31, 2016
Assets and Liabilities, Net |  |  |
Current assets | $ 1,528 | $ 1,221 |
Noncurrent assets | 10,883 | 11,207 |
Current liabilities | 239 | 226 |
Noncurrent liabilities | 10 | 26 |
Net Income (Loss) |  |  |
PriceSmart's share of net income (loss) of unconsolidated affiliates | $ (8) | $ (1) | $ 332

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