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LONG-TERM DEBT - Additional Information (Details) |  |  | 1 Months Ended | 3 Months Ended | 8 Months Ended | 9 Months Ended
--- | --- | --- | --- | --- | --- | ---
Oct. 01, 2021 USD ($) | Aug. 20, 2021 USD ($) subsidiary | Feb. 07, 2025 USD ($) | Sep. 30, 2025 USD ($) | Sep. 30, 2024 USD ($) | Sep. 30, 2025 USD ($) | Sep. 30, 2024 USD ($)
Debt Instrument [Line Items] |  |  |  |  |  |  |
Loss on extinguishment of debt |  |  | $ 0 | $ 0 | $ 0 | $ 17,372,000 | $ 0
Senior Notes |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Number of subsidiaries | subsidiary |  | 2 |  |  |  |  |
Revolving Credit Facility |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Repayments of lines of credit |  | $ 750,000,000 |  |  |  |  |
11.00% Senior Secured Notes due 2028 | Senior Notes |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Principal amount |  |  | $ 500,000,000.0 |  |  |  |
Interest rate |  |  | 11.00% | 11.00% |  | 11.00% |
Senior Notes Due 2028 | Senior Notes |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Loss on extinguishment of debt |  |  |  |  |  | $ 17,400,000 |
Senior Notes Due 2029 | Senior Notes |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Redemption price percentage |  | 100.00% |  |  |  |  |
Senior Notes Due 2029 | Senior Notes | Subsidiaries |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Interest rate |  | 5.625% |  |  |  |  |
Senior Notes Due 2031 | Senior Notes | Subsidiaries |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Principal amount |  | $ 750,000,000 |  |  |  |  |
Interest rate |  | 5.875% |  |  |  |  |
New Credit Facilities | Senior Notes |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Principal amount | $ 2,565,000,000 |  |  |  |  |  |
Maximum capacity on line of credit | 30.00% |  |  |  |  |  |
New Credit Facilities | Senior Notes | Federal Funds Effective Swap Rate |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Basis spread on variable rate | 0.50% |  |  |  |  |  |
New Credit Facilities | Senior Notes | Secured Overnight Financing Rate (SOFR) |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Basis spread on variable rate | 1.00% |  |  |  |  |  |
New Credit Facilities | Term Loan Facility |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Principal amount | $ 1,945,000,000 |  |  |  |  |  |
Interest rate floor | 0.50% |  |  |  |  |  |
Basis spread on variable rate | 1.50% |  |  |  |  |  |
New Credit Facilities | Revolving Credit Facility |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Principal amount | $ 620,000,000 |  |  |  |  |  |
Interest rate floor | 0.00% |  |  |  |  |  |
Basis spread on variable rate | 1.00% |  |  |  |  |  |
Maximum capacity on line of credit | 25.00% |  |  |  |  |  |
New Credit Facilities | Revolving Credit Facility | Minimum |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Commitment fee | 0.50% |  |  |  |  |  |
New Credit Facilities | Revolving Credit Facility | Maximum |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Commitment fee | 0.375% |  |  |  |  |  |
New Credit Facilities | Line of Credit |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Commitment increase limit | $ 650,000,000 |  |  |  |  |  |
Commitment increase limit, EBITDA | 100.00% |  |  |  |  |  |

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