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Disaggregation of Revenue - Schedule of Disaggregation of Revenue (Details) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2024 USD ($) reportableSegments operatingGroups	Sep. 30, 2023 USD ($)	Sep. 30, 2024 USD ($)	Sep. 30, 2023 USD ($)
Disaggregation of Revenue [Line Items]
Reportable segments | reportableSegments	2
Operating groups | operatingGroups	3
Revenue	$ 1,275,510	$ 1,116,820	$ 3,030,271	$ 2,575,440
Construction
Disaggregation of Revenue [Line Items]
Revenue	1,080,705	945,698	2,593,872	2,198,527
Construction | Public
Disaggregation of Revenue [Line Items]
Revenue	828,268	674,494	1,944,795	1,513,046
Construction | Private
Disaggregation of Revenue [Line Items]
Revenue	252,437	271,204	649,077	685,481
Materials
Disaggregation of Revenue [Line Items]
Revenue	$ 194,805	$ 171,122	$ 436,399	$ 376,913

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Number of operating segments. An operating segment is a component of an enterprise: (a) that engages in business activities from which it may earn revenues and incur expenses (including revenues and expenses relating to transactions with other components of the same enterprise), (b) whose operating results are regularly reviewed by the enterprise's chief operating decision maker to make decisions about resources to be allocated to the segment and assess its performance, and (c) for which discrete financial information is available. An operating segment may engage in business activities for which it has yet to earn revenues, for example, start-up operations may be operating segments before earning revenues.

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