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v3.25.4

Business Segment and Entity Wide Disclosures - Segment (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2025 | Dec. 31, 2024 | Dec. 31, 2023
Segment information: |  |  |
Number of reportable segment not disclosed | true |  |
Revenues: |  |  |
Revenues | $ 1,626,566 | $ 1,414,999 | $ 1,617,474
Selling, general and administrative expenses | 175,639 | 156,437 | 165,940
Segment depreciation and amortization | 161,193 | 132,575 | 108,123
Acquisition related employment costs | 20,312 |  |
Pension settlement charges |  |  | (18,286)
Gain on disposition of assets, net | (8,192) | (8,199) | (9,344)
Operating income | 44,732 | 97,538 | 244,950
Operating segments |  |  |
Revenues: |  |  |
Revenues | 1,626,566 | 1,414,999 | 1,617,474
Employment costs | 397,959 | 323,785 | 329,582
Materials and supplies | 437,090 | 336,300 | 340,422
Maintenance & repairs | 213,590 | 202,536 | 198,734
Fleet and transportation | 54,287 | 64,245 | 106,837
Other cost of revenues | 129,956 | 109,782 | 113,944
Cost of revenues (exclusive of depreciation and amortization) | 1,232,882 | 1,036,648 | 1,089,519
Employment costs | 75,591 | 66,819 | 71,080
Enterprise shared services | 36,892 | 36,843 | 31,404
Other selling, general and administrative expenses | 38,463 | 37,254 | 45,040
Selling, general and administrative expenses | 150,946 | 140,916 | 147,524
Segment depreciation and amortization | 161,115 | 132,498 | 108,066
Operating income | 81,623 | 104,937 | 272,365
Operating segments | Technical Services |  |  |
Revenues: |  |  |
Revenues | 1,536,048 | 1,326,005 | 1,516,137
Employment costs | 376,310 | 303,327 | 307,396
Materials and supplies | 433,505 | 332,781 | 337,006
Maintenance & repairs | 202,136 | 190,996 | 186,703
Fleet and transportation | 51,372 | 61,148 | 102,723
Other cost of revenues | 125,177 | 104,340 | 108,925
Cost of revenues (exclusive of depreciation and amortization) | 1,188,500 | 992,592 | 1,042,753
Employment costs | 65,258 | 57,649 | 61,158
Enterprise shared services | 35,457 | 35,357 | 29,179
Other selling, general and administrative expenses | 32,335 | 31,080 | 39,370
Selling, general and administrative expenses | 133,050 | 124,086 | 129,707
Segment depreciation and amortization | 146,467 | 120,226 | 97,773
Operating income | 68,031 | 89,101 | 245,904
Operating segments | Support Services |  |  |
Revenues: |  |  |
Revenues | 90,518 | 88,994 | 101,337
Employment costs | 21,649 | 20,458 | 22,186
Materials and supplies | 3,585 | 3,519 | 3,416
Maintenance & repairs | 11,454 | 11,540 | 12,031
Fleet and transportation | 2,915 | 3,097 | 4,114
Other cost of revenues | 4,779 | 5,442 | 5,019
Cost of revenues (exclusive of depreciation and amortization) | 44,382 | 44,056 | 46,766
Employment costs | 10,333 | 9,170 | 9,922
Enterprise shared services | 1,435 | 1,486 | 2,225
Other selling, general and administrative expenses | 6,128 | 6,174 | 5,670
Selling, general and administrative expenses | 17,896 | 16,830 | 17,817
Segment depreciation and amortization | 14,648 | 12,272 | 10,293
Operating income | 13,592 | 15,836 | 26,461
Unallocated |  |  |
Revenues: |  |  |
Selling, general and administrative expenses | 24,693 | 15,521 | 18,416
Segment depreciation and amortization | 78 | 77 | 57
Unallocated corporate expenses | 24,771 | 15,598 | 18,473
Segment Reporting, Reconciling Item, Excluding Corporate Non segment |  |  |
Revenues: |  |  |
Acquisition related employment costs | 20,312 |  |
Pension settlement charges |  |  | 18,286
Gain on disposition of assets, net | $ (8,192) | $ (8,199) | $ (9,344)

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