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Revenue Recognition (Tables)

12 Months Ended

Dec. 31, 2024

Revenue from Contract with Customer [Abstract]

Schedule of revenue by contact and market type

The components of the Company’s revenue by contract type were as follows for the year ended December 31:


	2024
	T&D				C&I				Total
(dollars in thousands)	Amount		Percent		Amount		Percent		Amount		Percent
Fixed price	$	824,643	43.9	%	$	1,202,653	81.2	%	$	2,027,296	60.3	%
Unit price	596,089		31.7		80,507		5.4		676,596		20.1
T&E(1)	459,769		24.4		198,629		13.4		658,398		19.6

	$	1,880,501	100.0	%	$	1,481,789	100.0	%	$	3,362,290	100.0	%


	2023
	T&D				C&I				Total
(dollars in thousands)	Amount		Percent		Amount		Percent		Amount		Percent
Fixed price	$	1,100,273	52.7	%	$	1,274,763	82.0	%	$	2,375,036	65.2	%
Unit price	549,221		26.3		92,581		6.0		641,802		17.6
T&E(1)	439,702		21.0		187,365		12.0		627,067		17.2

	$	2,089,196	100.0	%	$	1,554,709	100.0	%	$	3,643,905	100.0	%


	2022
	T&D				C&I				Total
(dollars in thousands)	Amount		Percent		Amount		Percent		Amount		Percent
Fixed price	$	835,288	47.8	%	$	1,051,428	83.3	%	$	1,886,716	62.7	%
Unit price	475,276		27.2		78,714		6.2		553,990		18.4
T&E(1)	435,228		25.0		132,608		10.5		567,836		18.9

	$	1,745,792	100.0	%	$	1,262,750	100.0	%	$	3,008,542	100.0	%

(1) The Company T&E contract type includes time-and-equipment, time-and-materials and cost-plus contracts.

The components of the Company’s revenue by market type were as follows for the year ended December 31:


		2024				2023				2022
(dollars in thousands)	Segment	Amount		Percent		Amount		Percent		Amount		Percent
Transmission	T&D	$	1,139,848	33.9	%	$	1,380,923	37.9	%	$	1,083,415	36.0	%
Distribution	T&D	740,653		22.0		708,273		19.4		662,377		22.0
Electrical construction	C&I	1,481,789		44.1		1,554,709		42.7		1,262,750		42.0
Total revenue		$	3,362,290	100.0	%	$	3,643,905	100.0	%	$	3,008,542	100.0	%

Schedule of amount of the remaining performance obligations that the company reasonably estimates will not be recognized within the next twelve months

The following table summarizes the total amount of remaining performance obligations as of December 31, 2024 that the Company expects to be realized, the amount of the remaining performance obligations that the Company reasonably estimates will be recognized within the next twelve months, and the amount estimated to be recognized after the next twelve months.


	Remaining Performance Obligations as of December 31, 2024
(in thousands)	Total		Amount estimated to be recognized within 12 months		Amount estimated to be recognized after 12 months
T&D	$	592,032	$	580,086	$	11,946
C&I	1,746,929		1,262,780		484,149
Total	$	2,338,961	$	1,842,866	$	496,095