Segments and Related Information - Schedule of Financial Information by Reportable Segment - Revenue (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Revenue:
Revenue (in dollars)	$ 9,778,038	$ 7,951,781	$ 6,320,975
Communications | Customer Concentration Risk | Revenue Benchmark | Utilities
Revenue:
Concentration risk, percentage of total	23.60%	20.80%	15.60%
Reportable Segments | Communications
Revenue:
Revenue (in dollars)	$ 3,233,700	$ 2,551,100	$ 2,512,200
Reportable Segments | Clean Energy and Infrastructure
Revenue:
Revenue (in dollars)	2,618,600	1,865,000	1,526,900
Reportable Segments | Oil and Gas
Revenue:
Revenue (in dollars)	1,219,600	2,540,500	1,789,800
Reportable Segments | Power Delivery
Revenue:
Revenue (in dollars)	2,725,200	1,016,800	506,500
Reportable Segments | Other
Revenue:
Revenue (in dollars)	0	0	600
Eliminations
Revenue:
Revenue (in dollars)	$ (19,100)	$ (21,600)	$ (15,000)