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SEGMENT AND GEOGRAPHICAL INFORMATION - Statement of Operations (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jul. 03, 2026 | Apr. 03, 2026 | Jul. 04, 2025 | Apr. 04, 2025 | Jul. 03, 2026 | Jul. 04, 2025
Segment reconciliation |  |  |  |  |  |
Contract revenue | $ 231,028 |  | $ 173,473 |  | $ 386,142 | $ 325,859
Direct subcontractor services and other direct costs | 113,786 |  | 78,505 |  | 176,468 | 145,553
Direct salaries and wages | 29,788 |  | 26,643 |  | 59,064 | 54,320
Gross profit | 87,454 |  | 68,325 |  | 150,610 | 125,986
Other indirect costs | 60,749 |  | 51,005 |  | 111,167 | 97,190
EBITDA | 27,144 |  | 17,871 |  | 40,677 | 29,306
Interest expense, net | 1,086 |  | 2,186 |  | 1,921 | 3,988
Depreciation and amortization | 6,971 |  | 5,504 |  | 12,417 | 9,944
Segment profit (loss) before income tax expense | 19,087 |  | 10,181 |  | 26,339 | 15,374
Income tax (benefit) expense | (5,258) |  | (5,255) |  | (6,536) | (4,749)
Net Income (Loss) | 24,345 | $ 8,530 | 15,436 | $ 4,687 | 32,875 | 20,123
Energy |  |  |  |  |  |
Segment reconciliation |  |  |  |  |  |
Contract revenue | 202,589 |  | 146,749 |  | 330,557 | 272,997
Direct subcontractor services and other direct costs | 111,411 |  | 76,794 |  | 172,399 | 142,874
Direct salaries and wages | 18,926 |  | 16,176 |  | 37,023 | 32,717
Gross profit | 72,252 |  | 53,779 |  | 121,135 | 97,406
Depreciation and amortization | 6,475 |  | 4,940 |  | 11,379 | 8,895
Engineering and Consulting |  |  |  |  |  |
Segment reconciliation |  |  |  |  |  |
Contract revenue | 28,439 |  | 26,724 |  | 55,585 | 52,862
Direct subcontractor services and other direct costs | 2,375 |  | 1,711 |  | 4,069 | 2,679
Direct salaries and wages | 10,862 |  | 10,467 |  | 22,041 | 21,603
Gross profit | 15,202 |  | 14,546 |  | 29,475 | 28,580
Depreciation and amortization | 496 |  | 564 |  | 1,038 | 1,049
Operating Segments | Energy |  |  |  |  |  |
Segment reconciliation |  |  |  |  |  |
Other indirect costs | 44,656 |  | 35,878 |  | 81,203 | 70,426
EBITDA | 27,652 |  | 17,167 |  | 40,233 | 26,249
Segment profit (loss) before income tax expense | 21,177 |  | 12,228 |  | 28,854 | 17,355
Income tax (benefit) expense | (5,808) |  | (5,861) |  | (7,161) | (5,361)
Net Income (Loss) | 26,985 |  | 18,088 |  | 36,015 | 22,715
Operating Segments | Engineering and Consulting |  |  |  |  |  |
Segment reconciliation |  |  |  |  |  |
Other indirect costs | 11,715 |  | 9,353 |  | 22,308 | 19,629
EBITDA | 3,486 |  | 5,192 |  | 7,164 | 8,947
Segment profit (loss) before income tax expense | 2,990 |  | 4,628 |  | 6,126 | 7,898
Income tax (benefit) expense | (967) |  | (2,759) |  | (1,520) | (2,440)
Net Income (Loss) | 3,957 |  | 7,387 |  | 7,646 | 10,338
Corporate, Non-Segment |  |  |  |  |  |
Segment reconciliation |  |  |  |  |  |
Other indirect costs | 4,378 |  | 5,774 |  | 7,656 | 7,135
EBITDA | (3,994) |  | (4,488) |  | (6,720) | (5,890)
Interest expense, net | 1,086 |  | 2,186 |  | 1,921 | 3,988
Segment profit (loss) before income tax expense | (5,080) |  | (6,675) |  | (8,641) | (9,879)
Income tax (benefit) expense | 1,517 |  | 3,365 |  | 2,145 | 3,052
Net Income (Loss) | $ (6,597) |  | $ (10,039) |  | $ (10,786) | $ (12,930)

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