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GOODWILL AND INTANGIBLE ASSETS (Tables) | 9 Months Ended
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Jun. 30, 2025
Goodwill and Intangible Assets Disclosure [Abstract] |
Schedule of Goodwill | The following table sets forth our goodwill balance by segment for the periods indicated:
(in thousands) | North America Solutions |  | International Solutions |  | Offshore Solutions |  | Other |  | Total
Goodwill balance at September 30, 2024 | $ | 45,653 |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | 45,653 |
Acquisition of KCA Deutag 1 | — |  |  | 131,351 |  |  | 121,906 |  |  | 44,907 |  |  | 298,164 |
Measurement period adjustments | — |  |  | (3,000) |  |  | (1,000) |  |  | — |  |  | (4,000) |
Impairment charges | — |  |  | (128,351) |  |  | — |  |  | (44,907) |  |  | (173,258) |
Goodwill balance at June 30, 2025 | $ | 45,653 |  |  | $ | — |  |  | $ | 120,906 |  |  | $ | — |  |  | $ | 166,559 |
(1)The allocation of goodwill is preliminary and may be updated as we continue to evaluate the benefits of expected commercial synergies to our segments.
Schedule of Intangible Assets Arising from Business Acquisitions | Finite-lived intangible assets are amortized using the straight-line method over the period in which these assets contribute to our cash flows and are evaluated for impairment whenever events or changes in circumstances indicate that the carrying amount of an asset may not be recoverable in accordance with our policies for valuation of long-lived assets. After initial recognition, in-process research and development ("IPR&D") assets are considered indefinite-lived until the abandonment or completion of the associated research and development effort. Acquired IPR&D is not amortized, but is subject to an annual impairment assessment. Our intangible assets consist of the following:
|  |  | June 30, 2025 |  | September 30, 2024
(in thousands) | Weighted Average Estimated Useful Lives |  | Gross Carrying Amount |  | Accumulated Amortization |  | Net |  | Gross Carrying Amount |  | Accumulated Amortization |  | Net
Finite-lived intangible assets: |  |  |  |  |  |  |  |  |  |  |  |  |
Developed technology | 14 years |  | $ | 110,516 |  |  | $ | 45,300 |  |  | $ | 65,216 |  |  | $ | 89,096 |  |  | $ | 40,047 |  |  | $ | 49,049 |
Customer relationships | 9 years |  | 432,200 |  |  | 25,005 |  |  | 407,195 |  |  | — |  |  | — |  |  | — |
Intellectual property | 13 years |  | 2,000 |  |  | 781 |  |  | 1,219 |  |  | 2,000 |  |  | 662 |  |  | 1,338 |
Trade name | 13 years |  | 16,725 |  |  | 2,743 |  |  | 13,982 |  |  | 5,865 |  |  | 2,105 |  |  | 3,760 |
Indefinite-lived intangible asset: |  |  |  |  |  |  |  |  |  |  |  |  |
In-process research and development | Indefinite |  | 6,183 |  |  | — |  |  | 6,183 |  |  | — |  |  | — |  |  | — |
|  |  | $ | 567,624 |  |  | $ | 73,829 |  |  | $ | 493,795 |  |  | $ | 96,961 |  |  | $ | 42,814 |  |  | $ | 54,147 |
Schedule of Finite-Lived Intangible Assets, Future Amortization Expense | Over the next five years, amortization expense is estimated to be as follows:
(in thousands) |
Fiscal year: |
Remainder of 2025 | $ | 19,435 |
2026 | 74,198 |
2027 | 72,718 |
2028 | 72,711 |
2029 | 47,894 |

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- Definition Tabular disclosure of the characteristics, including initial carrying value, residual amount, weighted average useful life, of finite-lived intangible assets acquired during the period by major class. A major class is composed of intangible assets that can be grouped together because they are similar, either by nature or by their use in the operations of the company. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 350 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (d) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482665/350-30-50-1 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 350 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482665/350-30-50-1 + Details
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