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v3.23.2

Revenue from Customers - Revenue Disaggregation (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2023 | Jun. 30, 2022 | Jun. 30, 2023 | Jun. 30, 2022
Disaggregation of Revenue [Line Items] |  |  |  |
Revenues | $ 522,325 | $ 461,827 | $ 925,904 | $ 827,789
Lump-Sum |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenues | 294,815 | 259,695 | 531,514 | 444,452
Fixed-Unit Price |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenues | 151,326 | 138,186 | 264,189 | 263,608
Residential and Other |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenues | 76,184 | 63,946 | 130,201 | 119,729
Operating Segments |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenues | 522,325 | 461,827 | 925,904 | 827,789
E-Infrastructure Solutions Revenues | Operating Segments |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenues | 260,148 | 233,548 | 465,988 | 402,475
Transportation Solutions Revenues | Operating Segments |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenues | 151,088 | 142,640 | 262,227 | 258,781
Transportation Solutions Revenues | Heavy Highway |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenues | 113,310 | 106,242 | 180,576 | 194,455
Transportation Solutions Revenues | Aviation |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenues | 18,310 | 18,922 | 31,746 | 36,117
Transportation Solutions Revenues | Other Non-Highway Services |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenues | 19,468 | 17,476 | 49,905 | 28,209
Building Solutions Revenues | Operating Segments |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenues | 111,089 | 85,639 | 197,689 | 166,533
Building Solutions Revenues | Residential |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenues | 73,413 | 60,471 | 127,127 | 114,741
Building Solutions Revenues | Commercial |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenues | $ 37,676 | $ 25,168 | $ 70,562 | $ 51,792

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