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v3.25.4

Business Segment Data - Summary of Operating Income (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2025 | Dec. 31, 2024 | Dec. 31, 2023
Segment Reporting Information [Line Items] |  |  |
Operating revenue | $ 3,746,387 | $ 2,849,685 | $ 2,854,390
Cost of sales | 3,292,299 | 2,510,234 | 2,532,472
Gross profit | 454,088 | 339,451 | 321,918
Selling, general and administrative expenses | 189,338 | 149,544 | 131,375
Operating income | 264,750 | 189,907 | 190,543
Interest income | 4,573 | 0 | 0
Interest expense | 21,451 | 14,023 | 16,954
Other income, net | 9,939 | 4,875 |
Income before income taxes and income from equity method investments | 257,811 | 180,759 | 177,570
Operating segments |  |  |
Segment Reporting Information [Line Items] |  |  |
Operating revenue | 3,769,193 | 2,868,593 | 2,869,444
Corporate and Other |  |  |
Segment Reporting Information [Line Items] |  |  |
Cost of sales | 701 | 2,987 | 13
Gross profit | (701) | (2,987) | (13)
Selling, general and administrative expenses | 42,573 | 29,132 | 17,431
Operating income | (43,274) | (32,119) | (17,444)
Eliminations |  |  |
Segment Reporting Information [Line Items] |  |  |
Operating revenue | (22,806) | (18,908) | (15,054)
E&M |  |  |
Segment Reporting Information [Line Items] |  |  |
Operating revenue | 2,910,655 | 2,023,911 | 2,125,543
E&M | Operating segments |  |  |
Segment Reporting Information [Line Items] |  |  |
Operating revenue | 2,920,672 | 2,031,447 | 2,134,867
Cost of sales | 2,585,771 | 1,804,095 | 1,911,721
Gross profit | 324,884 | 219,816 | 213,822
Selling, general and administrative expenses | 106,566 | 82,845 | 79,445
Operating income | 218,318 | 136,971 | 134,377
Interest expense | (7,263) | (800) | 4,957
E&M | Eliminations |  |  |
Segment Reporting Information [Line Items] |  |  |
Operating revenue | (10,017) | (7,536) | (9,324)
T&D |  |  |
Segment Reporting Information [Line Items] |  |  |
Operating revenue | 835,732 | 825,774 | 728,847
T&D | Operating segments |  |  |
Segment Reporting Information [Line Items] |  |  |
Operating revenue | 848,521 | 837,146 | 734,577
Cost of sales | 705,827 | 703,152 | 620,738
Gross profit | 129,905 | 122,622 | 108,109
Selling, general and administrative expenses | 40,199 | 37,567 | 34,499
Operating income | 89,706 | 85,055 | 73,610
Interest expense | 3,433 | 4,027 | 4,490
T&D | Eliminations |  |  |
Segment Reporting Information [Line Items] |  |  |
Operating revenue | $ (12,789) | $ (11,372) | $ (5,730)

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