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REPORTABLE SEGMENTS (Details) - USD ($) $ in Thousands | 12 Months Ended |  |
--- | --- | --- | ---
Sep. 30, 2018 | Sep. 30, 2017 | Sep. 30, 2016 | Nov. 16, 2017 | Nov. 15, 2017
Home & Building Products [Member] |  |  |  |  |
REPORTABLE SEGMENTS (Details) [Line Items] |  |  |  |  |
Concentration risk, percentage | 19.00% | 17.00% | 17.00% |  |
Telephonics [Member] |  |  |  |  |
REPORTABLE SEGMENTS (Details) [Line Items] |  |  |  |  |
Concentration risk, percentage | 10.00% | 18.00% | 21.00% |  |
Discontinued Operations, Held-for-sale [Member] | Plastics [Member] |  |  |  |  |
REPORTABLE SEGMENTS (Details) [Line Items] |  |  |  |  |
Disposal group, including discontinued operation, consideration |  |  |  | $ 475,000 | $ 475,000

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