Revenue Recognition - Disaggregation of Revenue (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2025
Revenue Recognition
Revenues	$ 814,795	$ 832,788	$ 1,598,343	$ 1,568,974
Operating Segments
Revenue Recognition
Revenues	833,081	847,218	1,627,165	1,597,026
Operating Segments | Lower 48
Revenue Recognition
Revenues	266,754	308,234	509,549	564,657
Operating Segments | U.S. Offshore
Revenue Recognition
Revenues	19,687	32,706	42,318	59,246
Operating Segments | Alaska
Revenue Recognition
Revenues	30,008	36,629	60,543	56,102
Operating Segments | Canada
Revenue Recognition
Revenues	18,149	14,472	37,797	19,523
Operating Segments | Middle East & Asia
Revenue Recognition
Revenues	331,494	301,632	647,957	598,850
Operating Segments | Latin America
Revenue Recognition
Revenues	131,612	114,298	257,350	231,044
Operating Segments | Europe, Africa & CIS
Revenue Recognition
Revenues	35,377	39,247	71,651	67,604
Operating Segments | U.S. Drilling
Revenue Recognition
Revenues	252,459	255,438	493,603	486,184
Operating Segments | U.S. Drilling | Lower 48
Revenue Recognition
Revenues	206,893	190,087	398,856	378,494
Operating Segments | U.S. Drilling | U.S. Offshore
Revenue Recognition
Revenues	17,960	31,380	38,888	55,187
Operating Segments | U.S. Drilling | Alaska
Revenue Recognition
Revenues	27,606	33,971	55,859	52,503
Operating Segments | International Drilling
Revenue Recognition
Revenues	432,497	384,970	851,993	766,688
Operating Segments | International Drilling | Canada
Revenue Recognition
Revenues	16,415	12,472	34,054	15,043
Operating Segments | International Drilling | Middle East & Asia
Revenue Recognition
Revenues	282,069	252,011	556,518	510,426
Operating Segments | International Drilling | Latin America
Revenue Recognition
Revenues	106,522	89,765	207,079	185,230
Operating Segments | International Drilling | Europe, Africa & CIS
Revenue Recognition
Revenues	27,491	30,722	54,342	55,989
Operating Segments | Drilling Solutions
Revenue Recognition
Revenues	110,640	170,283	216,862	263,462
Operating Segments | Drilling Solutions | Lower 48
Revenue Recognition
Revenues	39,845	99,213	75,505	148,372
Operating Segments | Drilling Solutions | U.S. Offshore
Revenue Recognition
Revenues	1,727	1,326	3,430	4,059
Operating Segments | Drilling Solutions | Alaska
Revenue Recognition
Revenues	2,402	2,654	4,684	3,595
Operating Segments | Drilling Solutions | Canada
Revenue Recognition
Revenues	495	455	1,067	1,073
Operating Segments | Drilling Solutions | Middle East & Asia
Revenue Recognition
Revenues	34,000	34,823	66,476	52,458
Operating Segments | Drilling Solutions | Latin America
Revenue Recognition
Revenues	24,317	23,661	48,569	43,539
Operating Segments | Drilling Solutions | Europe, Africa & CIS
Revenue Recognition
Revenues	7,854	8,151	17,131	10,366
Operating Segments | Rig Technologies
Revenue Recognition
Revenues	37,485	36,527	64,707	80,692
Operating Segments | Rig Technologies | Lower 48
Revenue Recognition
Revenues	20,016	18,934	35,188	37,791
Operating Segments | Rig Technologies | Alaska
Revenue Recognition
Revenues		4		4
Operating Segments | Rig Technologies | Canada
Revenue Recognition
Revenues	1,239	1,545	2,676	3,407
Operating Segments | Rig Technologies | Middle East & Asia
Revenue Recognition
Revenues	15,425	14,798	24,963	35,966
Operating Segments | Rig Technologies | Latin America
Revenue Recognition
Revenues	773	872	1,702	2,275
Operating Segments | Rig Technologies | Europe, Africa & CIS
Revenue Recognition
Revenues	32	374	178	1,249
Eliminations & other
Revenue Recognition
Revenues	(18,286)	(14,430)	(28,822)	(28,052)
Eliminations & other | Other
Revenue Recognition
Revenues	$ (18,286)	$ (14,430)	$ (28,822)	$ (28,052)