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SUBSIDIARY DIVIDEND (Details) - USD ($) $ in Thousands | 1 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Apr. 30, 2017 | Jul. 30, 2017 | Jul. 31, 2016 | May 31, 2017
Noncontrolling Interest [Line Items] |  |  |  |
Subsidiary dividends declared |  | $ 8,382 | $ 11,901 |
Subsidiary dividends paid |  | 8,298 | $ 11,890 |
DNP [Member] |  |  |  |
Noncontrolling Interest [Line Items] |  |  |  |
Subsidiary dividends declared | $ 16,600 |  |  |
Ownership percentage of noncontrolling interests | 49.99% |  |  | 49.99%
Subsidiary dividends paid |  | $ 8,298 |  |

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