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Business Segments - Income (Loss) Before Income Taxes (Detail) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2023 | Sep. 30, 2022 | Sep. 30, 2023 | Sep. 30, 2022
Segment Reporting Reconciling Item For Operating Profit Loss From Segment To Consolidated [Line Items] |  |  |  |
Operating income (loss) | $ 9,704 | $ 76,345 | $ 240,249 | $ 94,226
Interest income | 2,131 | 58 | 4,583 | 87
Interest expense, net of amount capitalized | (15,625) | (10,975) | (34,189) | (32,198)
Other | (618) | (1,774) | 3,191 | (2,644)
Income before income taxes | (4,408) | 63,654 | 213,834 | 59,471
Operating Segments | Drilling Services |  |  |  |
Segment Reporting Reconciling Item For Operating Profit Loss From Segment To Consolidated [Line Items] |  |  |  |
Operating income (loss) | 114,737 | 46,530 | 329,322 | 68,629
Operating Segments | Completion Services |  |  |  |
Segment Reporting Reconciling Item For Operating Profit Loss From Segment To Consolidated [Line Items] |  |  |  |
Operating income (loss) | 162 | 48,949 | 69,898 | 75,461
Operating Segments | Drilling Produtcs |  |  |  |
Segment Reporting Reconciling Item For Operating Profit Loss From Segment To Consolidated [Line Items] |  |  |  |
Operating income (loss) | (6,240) | 0 | (6,240) | 0
Operating Segments | Corporate Segment |  |  |  |
Segment Reporting Reconciling Item For Operating Profit Loss From Segment To Consolidated [Line Items] |  |  |  |
Operating income (loss) | (99,390) | (23,117) | (154,542) | (60,161)
Other Operations |  |  |  |
Segment Reporting Reconciling Item For Operating Profit Loss From Segment To Consolidated [Line Items] |  |  |  |
Operating income (loss) | $ 435 | $ 3,983 | $ 1,811 | $ 10,297

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