GOODWILL AND INTANGIBLE ASSETS - Schedule of Changes in Goodwill (Details) $ in Thousands	12 Months Ended
Sep. 30, 2025 USD ($)
Goodwill [Roll Forward]
Goodwill, beginning balance	$ 45,653
Acquisition of KCA Deutag	298,164
Measurement period adjustments	15,775
Currency translation adjustment	15,448
Impairment charges	$ (192,186)
Goodwill, Impairment Loss, Statement of Income or Comprehensive Income [Extensible Enumeration]	Asset impairment charges
Goodwill, ending balance	$ 182,854
North America Solutions
Goodwill [Roll Forward]
Goodwill, beginning balance	45,653
Acquisition of KCA Deutag	0
Measurement period adjustments	0
Currency translation adjustment	0
Impairment charges	0
Goodwill, ending balance	45,653
International Solutions
Goodwill [Roll Forward]
Goodwill, beginning balance	0
Acquisition of KCA Deutag	131,351
Measurement period adjustments	1,369
Currency translation adjustment	0
Impairment charges	(132,720)
Goodwill, ending balance	0
Offshore Solutions
Goodwill [Roll Forward]
Goodwill, beginning balance	0
Acquisition of KCA Deutag	121,906
Measurement period adjustments	6,457
Currency translation adjustment	8,838
Impairment charges	0
Goodwill, ending balance	137,201
Other
Goodwill [Roll Forward]
Goodwill, beginning balance	0
Acquisition of KCA Deutag	44,907
Measurement period adjustments	7,949
Currency translation adjustment	6,610
Impairment charges	(59,466)
Goodwill, ending balance	$ 0

Amount, after accumulated impairment loss, of asset representing future economic benefit arising from other asset acquired in business combination or from joint venture formation or both, that is not individually identified and separately recognized.

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