Segments and Related Information - Schedule of Financial Information by Reportable Segment - Revenue (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Revenue:
Revenue (in dollars)	$ 11,995,934	$ 9,778,038	$ 7,951,781
Communications | Customer Concentration Risk | Revenue Benchmark | Utilities
Revenue:
Concentration risk, percentage of total	24.30%	23.60%	20.80%
Reportable Segments | Communications
Revenue:
Revenue (in dollars)	$ 3,259,500	$ 3,233,700	$ 2,551,100
Reportable Segments | Clean Energy and Infrastructure
Revenue:
Revenue (in dollars)	3,962,000	2,618,600	1,865,000
Reportable Segments | Power Delivery
Revenue:
Revenue (in dollars)	2,735,100	2,725,200	1,016,800
Reportable Segments | Oil and Gas
Revenue:
Revenue (in dollars)	2,072,800	1,219,600	2,540,500
Reportable Segments | Other
Revenue:
Revenue (in dollars)	0	0	0
Eliminations
Revenue:
Revenue (in dollars)	$ (33,500)	$ (19,100)	$ (21,600)