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Segment Information - Summarized Financial Information (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Segment Reporting Information [Line Items]
Revenues	$ 4,428,826	$ 3,965,525
Operating income (loss)	$ 125,860	$ 117,516
Operating income (loss) margin, percentage	2.80%	3.00%
Equity in earnings of integral unconsolidated affiliates	$ 9,620	$ 15,152
Non-cash stock compensation expense	27,451	22,992
Depreciation	78,382	70,954
Integral Unconsolidated Affiliates
Segment Reporting Information [Line Items]
Equity in earnings of integral unconsolidated affiliates	$ 9,600	$ 15,200
Revenue from Contract with Customer, Segment Benchmark | Segment Concentration Risk
Segment Reporting Information [Line Items]
Concentration risk percentage	100.00%	100.00%
Corporate and Non-Allocated Costs
Segment Reporting Information [Line Items]
Operating income (loss)	$ (186,518)	$ (204,020)
Operating income (loss) margin, percentage	(4.20%)	(5.10%)
Amortization	$ 72,400	$ 115,800
Non-cash stock compensation expense	27,500	23,000
Depreciation	4,939	5,004
Electric Power Infrastructure Solutions | Operating Segments
Segment Reporting Information [Line Items]
Revenues	2,336,037	2,138,697
Operating income (loss)	$ 215,149	$ 203,419
Operating income (loss) margin, percentage	9.20%	9.50%
Depreciation	$ 42,085	$ 36,779
Electric Power Infrastructure Solutions | Operating Segments | Revenue from Contract with Customer, Segment Benchmark | Segment Concentration Risk
Segment Reporting Information [Line Items]
Concentration risk percentage	52.70%	53.90%
Renewable Energy Infrastructure Solutions | Operating Segments
Segment Reporting Information [Line Items]
Revenues	$ 1,008,300	$ 875,632
Operating income (loss)	$ 35,656	$ 69,942
Operating income (loss) margin, percentage	3.50%	8.00%
Depreciation	$ 10,858	$ 8,233
Renewable Energy Infrastructure Solutions | Operating Segments | Revenue from Contract with Customer, Segment Benchmark | Segment Concentration Risk
Segment Reporting Information [Line Items]
Concentration risk percentage	22.80%	22.10%
Underground Utility and Infrastructure Solutions | Operating Segments
Segment Reporting Information [Line Items]
Revenues	$ 1,084,489	$ 951,196
Operating income (loss)	$ 61,573	$ 48,175
Operating income (loss) margin, percentage	5.70%	5.10%
Depreciation	$ 20,500	$ 20,938
Underground Utility and Infrastructure Solutions | Operating Segments | Revenue from Contract with Customer, Segment Benchmark | Segment Concentration Risk
Segment Reporting Information [Line Items]
Concentration risk percentage	24.50%	24.00%

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