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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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- 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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