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SEGMENT AND GEOGRAPHICAL INFORMATION - Statement of Operations (Details) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Apr. 03, 2026 | Apr. 04, 2025
Segment reconciliation |  |
Contract revenue | $ 155,114 | $ 152,386
Direct subcontractor services and other direct costs | 62,682 | 67,048
Direct salaries and wages | 29,276 | 27,677
Gross profit | 63,156 | 57,661
Other indirect costs | 50,418 | 46,185
EBITDA | 13,533 | 11,435
Interest expense, net | 835 | 1,802
Depreciation and amortization | 5,446 | 4,440
Segment profit (loss) before income tax expense | 7,252 | 5,193
Income tax (benefit) expense | (1,278) | 506
Net income (loss) | 8,530 | 4,687
Energy |  |
Segment reconciliation |  |
Contract revenue | 127,968 | 126,248
Direct subcontractor services and other direct costs | 60,988 | 66,080
Direct salaries and wages | 18,097 | 16,541
Gross profit | 48,883 | 43,627
Depreciation and amortization | 4,904 | 3,955
Engineering and Consulting |  |
Segment reconciliation |  |
Contract revenue | 27,146 | 26,138
Direct subcontractor services and other direct costs | 1,694 | 968
Direct salaries and wages | 11,179 | 11,136
Gross profit | 14,273 | 14,034
Depreciation and amortization | 542 | 485
Operating Segments | Energy |  |
Segment reconciliation |  |
Other indirect costs | 36,547 | 34,548
EBITDA | 12,581 | 9,082
Segment profit (loss) before income tax expense | 7,677 | 5,127
Income tax (benefit) expense | (1,353) | 500
Net income (loss) | 9,030 | 4,627
Operating Segments | Engineering and Consulting |  |
Segment reconciliation |  |
Other indirect costs | 10,593 | 10,276
EBITDA | 3,678 | 3,755
Segment profit (loss) before income tax expense | 3,136 | 3,270
Income tax (benefit) expense | (553) | 319
Net income (loss) | 3,689 | 2,951
Corporate, Non-Segment |  |
Segment reconciliation |  |
Other indirect costs | 3,278 | 1,361
EBITDA | (2,726) | (1,402)
Interest expense, net | 835 | 1,802
Segment profit (loss) before income tax expense | (3,561) | (3,204)
Income tax (benefit) expense | 628 | (313)
Net income (loss) | $ (4,189) | $ (2,891)

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