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COMMITMENTS AND CONTINGENCIES - Narrative (Details) $ in Millions | 1 Months Ended | 9 Months Ended
--- | --- | ---
Jun. 30, 2022 USD ($) | Feb. 28, 2022 USD ($) | Jun. 30, 2023 USD ($) lease_extension
Commitments and Contingencies Disclosure [Abstract] |  |  |
Purchase commitments for equipment, parts and supplies |  |  | $ 134.2
Damages sought |  | $ 126.0 |
Damages awarded | $ 60.0 |  |
Loss contingency accrual |  |  | $ 3.0
Initial lease term not yet commenced |  |  | 12 years
Number of lease extensions | lease_extension |  |  | 2
Term of extension |  |  | 5 years
Estimated aggregated future lease payments |  |  | $ 15.1

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- Definition Term of lessee's operating lease not yet commenced, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 842 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147478964/842-20-50-3 + Details
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