Acquisitions, Goodwill, and Other Intangible Assets, Net - Rollforward of Goodwill by Segment (Details) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2024	Dec. 31, 2023
Goodwill [Line Items]
Goodwill		$ 2,245,700
Accumulated impairment loss		(119,300)
Goodwill, net	$ 2,125,893	2,126,366
Goodwill [Roll Forward]
Goodwill, net, beginning balance	2,126,366
Currency translation adjustments	(500)
Goodwill, net, ending balance	2,125,893
Communications
Goodwill [Line Items]
Goodwill		646,900
Accumulated impairment loss		0
Goodwill, net	646,900	646,900
Goodwill [Roll Forward]
Goodwill, net, beginning balance	646,900
Currency translation adjustments	0
Goodwill, net, ending balance	646,900
Clean Energy and Infrastructure
Goodwill [Line Items]
Goodwill		742,000
Accumulated impairment loss		0
Goodwill, net	742,000	742,000
Goodwill [Roll Forward]
Goodwill, net, beginning balance	742,000
Currency translation adjustments	0
Goodwill, net, ending balance	742,000
Power Delivery
Goodwill [Line Items]
Goodwill		270,800
Accumulated impairment loss		0
Goodwill, net	270,800	270,800
Goodwill [Roll Forward]
Goodwill, net, beginning balance	270,800
Currency translation adjustments	0
Goodwill, net, ending balance	270,800
Oil and Gas
Goodwill [Line Items]
Goodwill		586,000
Accumulated impairment loss		(119,300)
Goodwill, net	466,200	$ 466,700
Goodwill [Roll Forward]
Goodwill, net, beginning balance	466,700
Currency translation adjustments	(500)
Goodwill, net, ending balance	$ 466,200