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DEBT AND OTHER OBLIGATIONS - Other Financing Obligations (Details) $ in Millions | 1 Months Ended | 3 Months Ended | 9 Months Ended
--- | --- | --- | ---
Nov. 30, 2022 USD ($) extension_option | Sep. 30, 2023 USD ($) | Sep. 30, 2024 | Sep. 30, 2023 USD ($)
Debt Instrument [Line Items] |  |  |  |
Other income |  | $ 0.0 |  | $ 1.4
Disposal Group, Disposed of by Sale, Not Discontinued Operations | Software Licenses Under Delivery Order |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Consideration received | $ 9.1 |  |  |
Number of exercisable options | extension_option | 3 |  |  |
Period of exercisable extension options |  |  | 12 months |

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