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BUSINESS SEGMENTS AND GEOGRAPHIC INFORMATION - Summary of Financial Information of Reportable Segments (Details) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021
Segment Reporting Information [Line Items] |  |
Revenues | $ 719,637 | $ 409,782
Segment operating income (loss) | 144,223 | (42,611)
Intersegment |  |
Segment Reporting Information [Line Items] |  |
Revenues | (16,402) | (13,648)
Segment operating income (loss) | 2,310 | (1,282)
Operating Segments |  |
Segment Reporting Information [Line Items] |  |
Revenues | 719,637 | 409,782
Segment operating income (loss) | 160,604 | (12,731)
North America Solutions |  |
Segment Reporting Information [Line Items] |  |
Revenues | 627,163 | 341,034
North America Solutions | Intersegment |  |
Segment Reporting Information [Line Items] |  |
Revenues | 0 | 0
North America Solutions | Operating Segments |  |
Segment Reporting Information [Line Items] |  |
Revenues | 627,163 | 341,034
Segment operating income (loss) | 145,297 | (28,893)
Offshore Gulf of Mexico |  |
Segment Reporting Information [Line Items] |  |
Revenues | 35,164 | 29,314
Offshore Gulf of Mexico | Intersegment |  |
Segment Reporting Information [Line Items] |  |
Revenues | 0 | 0
Offshore Gulf of Mexico | Operating Segments |  |
Segment Reporting Information [Line Items] |  |
Revenues | 35,164 | 29,314
Segment operating income (loss) | 6,746 | 5,466
International Solutions Segment |  |
Segment Reporting Information [Line Items] |  |
Revenues | 54,801 | 37,159
International Solutions Segment | Intersegment |  |
Segment Reporting Information [Line Items] |  |
Revenues | 0 | 0
International Solutions Segment | Operating Segments |  |
Segment Reporting Information [Line Items] |  |
Revenues | 54,801 | 37,159
Segment operating income (loss) | 1,574 | 8,049
Other |  |
Segment Reporting Information [Line Items] |  |
Revenues | 2,509 | 2,275
Other | Intersegment |  |
Segment Reporting Information [Line Items] |  |
Revenues | (16,402) | (13,648)
Other | Operating Segments |  |
Segment Reporting Information [Line Items] |  |
Revenues | 18,911 | 15,923
Segment operating income (loss) | $ 4,677 | $ 3,929

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