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Segment Information - Adjusted operating income (loss) (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2023 | Sep. 30, 2022 | Sep. 30, 2023 | Sep. 30, 2022
Segment Information |  |  |  |
Total segment adjusted operating income (loss) | $ 89,780 | $ 60,380 | $ 327,656 | $ 93,440
Operating segments |  |  |  |
Segment Information |  |  |  |
Total segment adjusted operating income (loss) | 89,780 | 60,380 | 327,656 | 93,440
Operating segments | U.S. Drilling |  |  |  |
Segment Information |  |  |  |
Total segment adjusted operating income (loss) | 49,582 | 37,776 | 210,859 | 40,213
Operating segments | International Drilling |  |  |  |
Segment Information |  |  |  |
Total segment adjusted operating income (loss) | 9,862 | (907) | 22,226 | (2,629)
Operating segments | Drilling Solutions |  |  |  |
Segment Information |  |  |  |
Total segment adjusted operating income (loss) | 25,341 | 20,099 | 80,830 | 53,068
Operating segments | Rig Technologies |  |  |  |
Segment Information |  |  |  |
Total segment adjusted operating income (loss) | $ 4,995 | $ 3,412 | $ 13,741 | $ 2,788

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