Revenue Recognition - Disaggregation of Revenue (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2026	Mar. 31, 2025
Revenue Recognition
Revenues	$ 783,548	$ 736,186
Operating Segments
Revenue Recognition
Revenues	794,084	749,808
Operating Segments | Lower 48
Revenue Recognition
Revenues	242,797	256,420
Operating Segments | U.S. Offshore
Revenue Recognition
Revenues	22,631	26,540
Operating Segments | Alaska
Revenue Recognition
Revenues	30,535	19,474
Operating Segments | Canada
Revenue Recognition
Revenues	19,649	5,049
Operating Segments | Middle East & Asia
Revenue Recognition
Revenues	316,462	297,222
Operating Segments | Latin America
Revenue Recognition
Revenues	125,735	116,745
Operating Segments | Europe, Africa & CIS
Revenue Recognition
Revenues	36,275	28,358
Operating Segments | U.S. Drilling
Revenue Recognition
Revenues	241,144	230,746
Operating Segments | U.S. Drilling | Lower 48
Revenue Recognition
Revenues	191,963	188,407
Operating Segments | U.S. Drilling | U.S. Offshore
Revenue Recognition
Revenues	20,928	23,807
Operating Segments | U.S. Drilling | Alaska
Revenue Recognition
Revenues	28,253	18,532
Operating Segments | International Drilling
Revenue Recognition
Revenues	419,496	381,718
Operating Segments | International Drilling | Canada
Revenue Recognition
Revenues	17,639	2,570
Operating Segments | International Drilling | Middle East & Asia
Revenue Recognition
Revenues	274,448	258,418
Operating Segments | International Drilling | Latin America
Revenue Recognition
Revenues	100,557	95,464
Operating Segments | International Drilling | Europe, Africa & CIS
Revenue Recognition
Revenues	26,852	25,266
Operating Segments | Drilling Solutions
Revenue Recognition
Revenues	106,222	93,179
Operating Segments | Drilling Solutions | Lower 48
Revenue Recognition
Revenues	35,662	49,157
Operating Segments | Drilling Solutions | U.S. Offshore
Revenue Recognition
Revenues	1,703	2,733
Operating Segments | Drilling Solutions | Alaska
Revenue Recognition
Revenues	2,282	942
Operating Segments | Drilling Solutions | Canada
Revenue Recognition
Revenues	573	617
Operating Segments | Drilling Solutions | Middle East & Asia
Revenue Recognition
Revenues	32,475	17,634
Operating Segments | Drilling Solutions | Latin America
Revenue Recognition
Revenues	24,250	19,879
Operating Segments | Drilling Solutions | Europe, Africa & CIS
Revenue Recognition
Revenues	9,277	2,217
Operating Segments | Rig Technologies
Revenue Recognition
Revenues	27,222	44,165
Operating Segments | Rig Technologies | Lower 48
Revenue Recognition
Revenues	15,172	18,856
Operating Segments | Rig Technologies | Canada
Revenue Recognition
Revenues	1,437	1,862
Operating Segments | Rig Technologies | Middle East & Asia
Revenue Recognition
Revenues	9,539	21,170
Operating Segments | Rig Technologies | Latin America
Revenue Recognition
Revenues	928	1,402
Operating Segments | Rig Technologies | Europe, Africa & CIS
Revenue Recognition
Revenues	146	875
Eliminations & other
Revenue Recognition
Revenues	(10,536)	(13,622)
Eliminations & other | Other
Revenue Recognition
Revenues	$ (10,536)	$ (13,622)