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DISCONTINUED OPERATIONS - Narrative (Details) - USD ($) | 3 Months Ended | 9 Months Ended |  |
--- | --- | --- | --- | ---
Jun. 30, 2020 | Jun. 30, 2019 | Mar. 31, 2019 | Jun. 30, 2020 | Jun. 30, 2019 | Feb. 06, 2018 | Sep. 30, 2017
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |
Claims dispute settlement related to PPC divestiture |  |  | $ 11,000,000 |  |  |  |
Claims dispute settlement related to PPC divestiture, net of tax |  |  | $ 7,646,000 |  |  |  |
Payment of claims dispute settlement |  | $ 9,500,000 |  | $ 0 | $ 9,500,000 |  |
Plastics |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |
Consideration after sale adjustments |  |  |  |  |  | $ 465,000,000 |
Consideration |  |  |  |  |  | $ 465,000,000 |
Installation Services |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |
Revenue | $ 0 | $ 0 |  | $ 0 | $ 0 |  |
Clopay Services Corporation |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |
Environmental exit costs, costs accrued to date |  |  |  |  |  |  | $ 5,700,000

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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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