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Segment Information - Segment Reporting Information, by Segment (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Segment Reporting Information [Line Items]
Revenues	$ 593,741	$ 560,347	$ 1,616,923	$ 1,486,251
Operating Income	87,492	57,137	202,351	150,027
Acquisition Related Costs	(72)	(103)	(209)	(352)
Operating Segments
Segment Reporting Information [Line Items]
Revenues	593,741		1,616,923
Operating Income	97,898	63,280	228,913	168,059
Operating Segments | E-Infrastructure Solutions Revenues
Segment Reporting Information [Line Items]
Revenues	263,899	253,948	689,687	719,936
Operating Income	68,076	35,945	146,922	103,381
Operating Segments | Transportation Solutions Revenues
Segment Reporting Information [Line Items]
Revenues	227,251	192,996	608,995	455,223
Operating Income	18,573	14,487	42,154	29,649
Operating Segments | Building Solutions Revenues
Segment Reporting Information [Line Items]
Revenues	102,591	113,403	318,241	311,092
Operating Income	11,249	12,848	39,837	35,029
Corporate G&A Expense
Segment Reporting Information [Line Items]
Operating Income	$ (10,334)	$ (6,040)	$ (26,353)	$ (17,680)

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