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DISCONTINUED OPERATIONS (Details) $ in Thousands | 12 Months Ended |  |
--- | --- | --- | ---
Sep. 30, 2018 USD ($) | Sep. 30, 2017 USD ($) | Sep. 30, 2016 USD ($) | Sep. 30, 2008 unit | Nov. 16, 2017 USD ($) | Nov. 15, 2017 USD ($)
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |
Number of units sold | unit |  |  |  | 11 |  |
Number of closed units | unit |  |  |  | 1 |  |
Number of merged units | unit |  |  |  | 2 |  |
Environmental exit costs, costs accrued to date |  | $ 5,700 |  |  |  |
Plastics [Member] | Discontinued Operations, Held-for-sale [Member] |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |
Disposal group, including discontinued operation, consideration |  |  |  |  | $ 475,000 | $ 475,000
Gain on sale of business | $ 112,964 | $ 0 | $ 0 |  |  |
Gain on sale of business net of tax | 81,041 |  |  |  |  |
Stay and transaction bonuses and other accrued liabilities | $ 9,858 |  |  |  |  |

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- Definition Carrying amount as of the balance sheet date of the liability for remediation, site restoration, postclosure, monitoring commitments, or other exit costs associated with the sale, disposal or abandonment of a particular property resulting from unanticipated contamination of the assets. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 5.Y.Q4) -URI http://asc.fasb.org/extlink&oid=27011672&loc=d3e149879-122751 + Details
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