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Reportable Segments (Details) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2024 USD ($)	Sep. 30, 2023 USD ($)	Sep. 30, 2024 USD ($) segment	Sep. 30, 2023 USD ($)
Segment reporting information
Number of reportable segments | segment			2
Revenue	$ 1,649,086	$ 1,529,486	$ 4,625,508	$ 4,199,760
Gross Profit	$ 198,561	$ 173,895	$ 518,647	$ 430,891
% of Segment Revenue	12.00%	11.40%	11.20%	10.30%
Intersegment eliminations
Segment reporting information
Revenue	$ (28,012)	$ (8,921)	$ (81,382)	$ (28,019)
Utilities | Operating Segment
Segment reporting information
Revenue	666,240	650,664	1,774,962	1,833,665
Gross Profit	$ 87,026	$ 64,654	$ 177,666	$ 164,244
% of Segment Revenue	13.10%	9.90%	10.00%	9.00%
Energy | Operating Segment
Segment reporting information
Revenue	$ 1,010,858	$ 887,743	$ 2,931,928	$ 2,394,114
Gross Profit	$ 111,535	$ 109,241	$ 340,981	$ 266,647
% of Segment Revenue	11.00%	12.30%	11.60%	11.10%

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