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Segment Information - Segment Reporting Information, by Segment (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2024 | Jun. 30, 2023 | Jun. 30, 2024 | Jun. 30, 2023
Segment Reporting Information [Line Items] |  |  |  |
Revenues | $ 582,822 | $ 522,325 | $ 1,023,182 | $ 925,904
Operating Income | 72,734 | 60,263 | 114,859 | 92,890
Acquisition Related Costs | (101) | (59) | (137) | (249)
Operating Segments |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Revenues | 582,822 |  | 1,023,182 |
Operating Income | 80,939 | 66,503 | 131,015 | 104,779
Operating Segments | E-Infrastructure Solutions Revenues |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Revenues | 241,312 | 260,148 | 425,788 | 465,988
Operating Income | 51,677 | 43,167 | 78,846 | 67,436
Operating Segments | Transportation Solutions Revenues |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Revenues | 232,775 | 151,088 | 381,744 | 262,227
Operating Income | 15,449 | 9,856 | 23,581 | 15,162
Operating Segments | Building Solutions Revenues |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Revenues | 108,735 | 111,089 | 215,650 | 197,689
Operating Income | 13,813 | 13,480 | 28,588 | 22,181
Corporate G&A Expense |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Operating Income | $ (8,104) | $ (6,181) | $ (16,019) | $ (11,640)

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- Definition This element represents acquisition-related costs incurred to effect a business combination which costs have been expensed during the period. Such costs include finder's fees; advisory, legal, accounting, valuation, and other professional or consulting fees; general administrative costs, including the costs of maintaining an internal acquisitions department; and may include costs of registering and issuing debt and equity securities. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 25 -Paragraph 23 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479405/805-10-25-23 + Details
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