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REPORTABLE SEGMENTS (Details) $ in Thousands | 12 Months Ended |  |
--- | --- | --- | ---
Sep. 30, 2019 segment | Sep. 30, 2018 | Sep. 30, 2017 | Nov. 16, 2017 USD ($) | Nov. 15, 2017 USD ($)
REPORTABLE SEGMENTS (Details) [Line Items] |  |  |  |  |
Number of Reportable Segments | segment | 3 |  |  |  |
Discontinued Operations, Held-for-sale [Member] | Plastics [Member] |  |  |  |  |
REPORTABLE SEGMENTS (Details) [Line Items] |  |  |  |  |
Disposal group, including discontinued operation, consideration | $ |  |  |  | $ 465,000 | $ 465,000
Home Depot [Member] | Consumer And Professional Products Segment [Member] |  |  |  |  |
REPORTABLE SEGMENTS (Details) [Line Items] |  |  |  |  |
Concentration risk, percentage | 28.00% | 29.00% | 28.00% |  |
Home Depot [Member] | Home and Building Products (HBP) [Member] |  |  |  |  |
REPORTABLE SEGMENTS (Details) [Line Items] |  |  |  |  |
Concentration risk, percentage | 13.00% | 16.00% | 18.00% |  |
United States Government [Member] | Defense Electronics Segment [Member] |  |  |  |  |
REPORTABLE SEGMENTS (Details) [Line Items] |  |  |  |  |
Concentration risk, percentage | 10.00% | 10.00% | 18.00% |  |

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