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Segment Information - Summarized Financial Information (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Segment Reporting Information [Line Items]
Revenues	$ 3,965,525	$ 2,703,581
Operating income (loss)	117,516	113,729
Depreciation	70,954	62,107
Non-cash stock compensation expense	22,992	18,687
Corporate and Non-Allocated Costs
Segment Reporting Information [Line Items]
Operating income (loss)	(204,020)	(94,119)
Depreciation	5,004	4,375
Amortization	115,800	21,400
Non-cash stock compensation expense	22,400	18,700
Electric Power Infrastructure Solutions | Operating Segments
Segment Reporting Information [Line Items]
Revenues	2,138,697	1,676,046
Operating income (loss)	203,419	153,739
Depreciation	36,779	34,404
Renewable Energy Infrastructure Solutions | Operating Segments
Segment Reporting Information [Line Items]
Revenues	875,632	384,074
Operating income (loss)	69,942	45,296
Depreciation	8,233	2,241
Underground Utility and Infrastructure Solutions | Operating Segments
Segment Reporting Information [Line Items]
Revenues	951,196	643,461
Operating income (loss)	48,175	8,813
Depreciation	$ 20,938	$ 21,087

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