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Segment Information - Financial Information by Segment (Details) $ in Thousands | 12 Months Ended
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Dec. 31, 2024 USD ($) segment | Dec. 31, 2023 USD ($) | Dec. 31, 2022 USD ($)
Segment Information |  |  |
Number of reportable segments | segment | 4 |  |
Operating revenues | $ 2,930,126 | $ 3,005,981 | $ 2,653,766
Direct costs | (1,742,411) | (1,790,380) | (1,666,004)
Depreciation and amortization | (633,408) | (645,294) | (665,072)
Other segment expenses | (306,380) | (300,444) | (278,370)
Total adjusted operating income (loss) | 247,927 | 269,863 | 44,320
Capital expenditures | 609,727 | 552,908 | 381,487
Operating Segments |  |  |
Segment Information |  |  |
Operating revenues | 2,989,962 | 3,097,403 | 2,738,374
Direct costs | (1,785,968) | (1,866,216) | (1,735,904)
Depreciation and amortization | (630,671) | (645,595) | (667,717)
Other segment expenses | (156,554) | (151,885) | (140,352)
Total adjusted operating income (loss) | 416,769 | 433,707 | 194,401
Capital expenditures | 593,551 | 540,870 | 375,722
Operating Segments | U.S. Drilling |  |  |
Segment Information |  |  |
Operating revenues | 1,028,122 | 1,207,629 | 1,100,614
Direct costs | (554,527) | (647,251) | (652,899)
Depreciation and amortization | (272,559) | (271,310) | (311,759)
Other segment expenses | (24,755) | (26,715) | (27,450)
Total adjusted operating income (loss) | 176,281 | 262,353 | 108,506
Capital expenditures | 110,822 | 136,311 | 118,017
Operating Segments | International Drilling |  |  |
Segment Information |  |  |
Operating revenues | 1,446,092 | 1,345,249 | 1,199,282
Direct costs | (941,118) | (892,182) | (813,418)
Depreciation and amortization | (328,924) | (347,786) | (329,335)
Other segment expenses | (68,192) | (64,413) | (57,408)
Total adjusted operating income (loss) | 107,858 | 40,868 | (879)
Capital expenditures | 459,175 | 357,609 | 222,099
Operating Segments | Drilling Solutions |  |  |
Segment Information |  |  |
Operating revenues | 314,071 | 301,757 | 243,349
Direct costs | (151,387) | (145,139) | (118,452)
Depreciation and amortization | (19,988) | (18,634) | (20,829)
Other segment expenses | (30,309) | (27,027) | (26,200)
Total adjusted operating income (loss) | 112,387 | 110,957 | 77,868
Capital expenditures | 17,787 | 25,721 | 19,946
Operating Segments | Rig Technologies |  |  |
Segment Information |  |  |
Operating revenues | 201,677 | 242,768 | 195,129
Direct costs | (138,936) | (181,644) | (151,135)
Depreciation and amortization | (9,200) | (7,865) | (5,794)
Other segment expenses | (33,298) | (33,730) | (29,294)
Total adjusted operating income (loss) | 20,243 | 19,529 | 8,906
Capital expenditures | 5,767 | 21,229 | 15,660
Other items |  |  |
Segment Information |  |  |
Operating revenues | (59,836) | (91,422) | (84,608)
Direct costs | 43,557 | 75,836 | 69,900
Depreciation and amortization | (2,737) | 301 | 2,645
Other segment expenses | (149,826) | (148,559) | (138,018)
Total adjusted operating income (loss) | (168,842) | (163,844) | (150,081)
Capital expenditures | $ 16,176 | $ 12,038 | $ 5,765

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