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BUSINESS SEGMENTS AND GEOGRAPHIC INFORMATION - Reconciliation of Segment Assets to Consolidated Assets (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Sep. 30, 2022
Segment Reporting Information [Line Items]
Total assets	$ 4,381,956	$ 4,355,531
Operating Segments
Segment Reporting Information [Line Items]
Total assets	3,954,955	3,939,096
Investments and corporate operations
Segment Reporting Information [Line Items]
Total assets	427,001	416,435
North America Solutions | Operating Segments
Segment Reporting Information [Line Items]
Total assets	3,320,203	3,406,824
Offshore Gulf of Mexico | Operating Segments
Segment Reporting Information [Line Items]
Total assets	73,319	80,993
International Solutions | Operating Segments
Segment Reporting Information [Line Items]
Total assets	407,143	330,974
Other | Operating Segments
Segment Reporting Information [Line Items]
Total assets	$ 154,290	$ 120,305

X

- Definition

Sum of the carrying amounts as of the balance sheet date of all assets that are recognized. Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

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