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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, 2017 | Aug. 31, 2016 | Aug. 31, 2015
Assets and Liabilities, Net |  |  |
Current assets | $ 1,221 | $ 663 |
Noncurrent assets | 11,207 | 11,752 |
Current liabilities | 226 | 219 |
Noncurrent liabilities | 26 | 16 |
Net Income (Loss) |  |  |
Net income (loss) | $ (1) | $ 332 | $ 94

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