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REVENUE FROM CONTRACTS WITH CUSTOMERS - Narrative (Details) $ in Thousands |  | 3 Months Ended | 9 Months Ended |
--- | --- | --- | --- | ---
Nov. 12, 2021 USD ($) rig | Jun. 30, 2023 USD ($) | Jun. 30, 2022 USD ($) | Jun. 30, 2023 USD ($) | Jun. 30, 2022 USD ($) | Sep. 30, 2022 USD ($)
Revenue From Contract With Customer [Line Items] |  |  |  |  |  |
Revenue from performance contracts |  | $ 316,200 | $ 191,200 | $ 883,300 | $ 483,600 |
Drilling services |  | 721,567 | $ 547,906 | 2,205,419 | 1,420,810 |
Capitalized fulfillment costs |  | $ 14,300 |  | $ 14,300 |  | $ 6,300
YPF S.A. |  |  |  |  |  |
Revenue From Contract With Customer [Line Items] |  |  |  |  |  |
Revenue recognized | $ 5,400 |  |  |  |  |
Litigation settlement, amount awarded from other party | $ 11,000 |  |  |  |  |
Drilling service contract, number of rigs | rig | 3 |  |  |  |  |
Drilling services |  |  |  |  | $ 16,400 |

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