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DERIVATIVE INSTRUMENTS - ADDITIONAL INFORMATION (Details) $ in Thousands, certificate in Millions | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Jun. 30, 2022 USD ($) certificate | Jun. 30, 2021 USD ($) | Jun. 30, 2022 USD ($) certificate | Jun. 30, 2021 USD ($) | Sep. 30, 2021 USD ($) certificate
Derivative [Line Items] |  |  |  |  |
Derivative, net liability position, aggregate fair value | $ 354 |  | $ 354 |  |
Treasury Lock | Interest expense |  |  |  |  |
Derivative [Line Items] |  |  |  |  |
Amount of pre-tax gain (loss) reclassified from OCI into income | (341) | $ (343) | (1,000) | $ (1,000) |
Foreign currency contracts |  |  |  |  |
Derivative [Line Items] |  |  |  |  |
Notional amount | $ (4) |  | $ (4) |  | $ (123)
Physical commodity contracts | Energy Services |  |  |  |  |
Derivative [Line Items] |  |  |  |  |
Number of SRECs (in certificates) | certificate | 1.6 |  | 1.6 |  | 1.4

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- Definition The aggregate fair value amounts of derivative instruments that contain credit-risk-related contingent features that are in a net liability position at the end of the reporting period. For nonderivative instruments that are designated and qualify as hedging instruments, the fair value amounts are the carrying value of the nonderivative hedging instrument, including the adjustment for the foreign currency transaction gain (loss) on that instrument. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4H -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=125515794&loc=SL5624258-113959 + Details
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