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BUSINESS COMBINATION - Tangible Assets Useful Lives (Details) - USD ($) $ in Thousands | Jan. 16, 2025 | Jun. 30, 2025 | Mar. 31, 2025 | Sep. 30, 2024
--- | --- | --- | --- | ---
Finite-Lived Intangible Assets [Line Items] |  |  |  |
Intangible assets, net |  | $ 493,795 |  | $ 54,147
Customer relationships |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |
Weighted Average Useful life (Years) |  | 9 years | 15 years | 9 years
Trade name |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |
Weighted Average Useful life (Years) |  | 13 years |  | 13 years
Developed technology |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |
Weighted Average Useful life (Years) |  | 14 years |  | 14 years
KCA Deutag |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |
Intangible assets, net | $ 470,663 |  |  |
KCA Deutag | Customer relationships |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |
Finite-lived intangible assets acquired | $ 432,200 |  |  |
Weighted Average Useful life (Years) | 9 years | 2 years 8 months 12 days |  |
KCA Deutag | Trade name |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |
Finite-lived intangible assets acquired | $ 10,860 |  |  |
Weighted Average Useful life (Years) | 10 years |  |  |
KCA Deutag | Developed technology |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |
Finite-lived intangible assets acquired | $ 21,420 |  |  |
Weighted Average Useful life (Years) | 11 years |  |  |
In-process research and development | KCA Deutag |  |  |  |
Indefinite-Lived Intangible Assets [Line Items] |  |  |  |
Indefinite-lived intangible assets acquired | $ 6,183 |  |  |

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