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Revenue (Tables) | 12 Months Ended
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Dec. 31, 2024
Revenue from Contract with Customer [Abstract] |
Schedule of Disaggregation of Revenue | The following tables disaggregate revenue by end market, customer type and contract type, which the Company believes best depict how the nature, amount, timing and uncertainty of its revenue and cash flows are affected by economic factors for the years ended December 31, 2024, 2023 and 2022.
| Year Ended December 31,
(in thousands) | 2024 | 2023 | 2022
Civil segment revenue by end market: |  |  |
Mass transit (includes certain transportation and tunneling projects) | $ | 1,126,830 |  | $ | 1,079,629 |  | $ | 1,026,589 |
Military facilities | 436,511 |  | 348,133 |  | 258,028 |
Bridges(a) | 170,069 |  | 204,029 |  | 265,130 |
Commercial and industrial sites | 133,797 |  | 118,880 |  | 70,708 |
Power and energy | 129,848 |  | 70,658 |  | 46,770 |
Other | 121,898 |  | 62,536 |  | 67,657 |
Total Civil segment revenue | $ | 2,118,953 |  | $ | 1,883,865 |  | $ | 1,734,882 |
| Year Ended December 31,
(in thousands) | 2024 | 2023 | 2022
Building segment revenue by end market: |  |  |
Healthcare facilities | $ | 590,845 |  | $ | 294,667 |  | $ | 178,997 |
Government | 407,931 |  | 424,130 |  | 329,661 |
Education facilities | 285,207 |  | 226,335 |  | 140,514 |
Mass transit (includes transportation projects) | 218,396 |  | 188,335 |  | 132,836 |
Commercial and industrial facilities | 22,143 |  | 77,118 |  | 251,849 |
Other(b) | 93,015 |  | 91,954 |  | 208,714 |
Total Building segment revenue | $ | 1,617,537 |  | $ | 1,302,539 |  | $ | 1,242,571 |
| Year Ended December 31,
(in thousands) | 2024 | 2023 | 2022
Specialty Contractors segment revenue by end market: |  |  |
Mass transit (includes certain transportation and tunneling projects) | $ | 167,287 |  | $ | 119,760 |  | $ | 350,005 |
Commercial and industrial facilities | 115,471 |  | 213,003 |  | 166,286 |
Multi-unit residential | 84,978 |  | 114,516 |  | 112,944 |
Government | 80,242 |  | 89,031 |  | 61,424 |
Healthcare facilities | 64,292 |  | 57,292 |  | 23,001 |
Water | 50,450 |  | 85,176 |  | 79,553 |
Other(b) | 27,712 |  | 15,045 |  | 20,089 |
Total Specialty Contractors segment revenue | $ | 590,432 |  | $ | 693,823 |  | $ | 813,302 |
| Year Ended December 31, 2024
(in thousands) | Civil | Building | Specialty Contractors | Total
Revenue by customer type: |  |  |  |
State and local agencies(a) | $ | 1,348,842 |  | $ | 867,638 |  | $ | 287,052 |  | $ | 2,503,532 |
Federal agencies | 458,366 |  | 167,786 |  | (4,122) |  | 622,030 |
Private owners | 311,745 |  | 582,113 |  | 307,502 |  | 1,201,360 |
Total revenue | $ | 2,118,953 |  | $ | 1,617,537 |  | $ | 590,432 |  | $ | 4,326,922 |
| Year Ended December 31, 2023
(in thousands) | Civil | Building | Specialty Contractors | Total
Revenue by customer type: |  |  |  |
State and local agencies | $ | 1,250,740 |  | $ | 718,106 |  | $ | 316,473 |  | $ | 2,285,319 |
Federal agencies | 400,782 |  | 187,199 |  | (14,306) |  | 573,675 |
Private owners(b) | 232,343 |  | 397,234 |  | 391,656 |  | 1,021,233 |
Total revenue | $ | 1,883,865 |  | $ | 1,302,539 |  | $ | 693,823 |  | $ | 3,880,227 |
| Year Ended December 31, 2022
(in thousands) | Civil | Building | Specialty Contractors | Total
Revenue by customer type: |  |  |  |
State and local agencies | $ | 1,273,639 |  | $ | 461,193 |  | $ | 332,176 |  | $ | 2,067,008 |
Federal agencies | 313,791 |  | 168,307 |  | 22,705 |  | 504,803 |
Private owners | 147,452 |  | 613,071 |  | 458,421 |  | 1,218,944 |
Total revenue | $ | 1,734,882 |  | $ | 1,242,571 |  | $ | 813,302 |  | $ | 3,790,755 |
___________________________________________________________________________________________________ (a)The year ended December 31, 2024 includes the negative impact of a $101.6 million adjustment related to an adverse arbitration ruling on a completed Civil segment bridge project in California, of which $79.4 million was a reversal of previously recognized revenue. Refer to Note 14, Business Segments, for additional details. (b)The year ended December 31, 2023 includes the negative impact of a non-cash charge of $83.6 million that resulted from an adverse legal ruling (of which $72.2 million impacted the Building segment and $11.4 million impacted the Specialty Contractors segment). Refer to Note 14, Business Segments, for additional details.
| Year Ended December 31, 2024
(in thousands) | Civil | Building | Specialty Contractors | Total
Revenue by contract type: |  |  |  |
Fixed price(a) | $ | 1,791,858 |  | $ | 638,938 |  | $ | 479,173 |  | $ | 2,909,969 |
Guaranteed maximum price | 715 |  | 810,697 |  | 6,688 |  | 818,100 |
Unit price | 272,579 |  | — |  | 74,102 |  | 346,681 |
Cost plus fee and other | 53,801 |  | 167,902 |  | 30,469 |  | 252,172 |
Total revenue | $ | 2,118,953 |  | $ | 1,617,537 |  | $ | 590,432 |  | $ | 4,326,922 |
| Year Ended December 31, 2023
(in thousands) | Civil | Building | Specialty Contractors | Total
Revenue by contract type: |  |  |  |
Fixed price | $ | 1,618,081 |  | $ | 532,950 |  | $ | 577,144 |  | $ | 2,728,175 |
Guaranteed maximum price(b) | (3,184) |  | 532,538 |  | 783 |  | 530,137 |
Unit price | 235,085 |  | — |  | 91,992 |  | 327,077 |
Cost plus fee and other | 33,883 |  | 237,051 |  | 23,904 |  | 294,838 |
Total revenue | $ | 1,883,865 |  | $ | 1,302,539 |  | $ | 693,823 |  | $ | 3,880,227 |
| Year Ended December 31, 2022
(in thousands) | Civil | Building | Specialty Contractors | Total
Revenue by contract type: |  |  |  |
Fixed price | $ | 1,441,547 |  | $ | 349,318 |  | $ | 675,461 |  | $ | 2,466,326 |
Guaranteed maximum price | 1,142 |  | 595,907 |  | 15,875 |  | 612,924 |
Unit price | 274,293 |  | 33 |  | 85,574 |  | 359,900 |
Cost plus fee and other | 17,900 |  | 297,313 |  | 36,392 |  | 351,605 |
Total revenue | $ | 1,734,882 |  | $ | 1,242,571 |  | $ | 813,302 |  | $ | 3,790,755 |
____________________________________________________________________________________________________ (a)The year ended December 31, 2024 includes the negative impact of a $101.6 million adjustment related to an adverse arbitration ruling on a completed Civil segment bridge project in California, of which $79.4 million was a reversal of previously recognized revenue. Refer to Note 14, Business Segments, for additional details. (b)The year ended December 31, 2023 includes the negative impact of a non-cash charge of $83.6 million that resulted from an adverse legal ruling (of which $72.2 million impacted the Building segment and $11.4 million impacted the Specialty Contractors segment). Refer to Note 14, Business Segments, for additional details.

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- Definition Tabular disclosure of disaggregation of revenue into categories depicting how nature, amount, timing, and uncertainty of revenue and cash flows are affected by economic factor. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479806/606-10-50-5 + Details
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