XML 35 R25.htm IDEA: XBRL DOCUMENT
v3.25.3

SUPPLEMENTAL FINANCIAL STATEMENT DATA (Tables) | 9 Months Ended
--- | ---
Oct. 03, 2025
SUPPLEMENTAL FINANCIAL STATEMENT DATA |
Schedule of reconciliation of cash and cash equivalents, and restricted cash | ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | October 3, | ​ | December 27,
​ |  | 2025 |  | 2024
​ | ​ | (in thousands)
Cash and cash equivalents | ​ | $ | 33,109 | ​ | $ | 74,158
Restricted cash | ​ |  | — | ​ |  | —
Total cash, cash equivalents, and restricted cash shown in the consolidated statement of cash flows | ​ | $ | 33,109 | ​ | $ | 74,158
Schedule of equipment and leasehold improvements | ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | October 3, | ​ | December 27,
​ |  | 2025 |  | 2024
​ | ​ | (in thousands)
Furniture and fixtures | ​ | $ | 4,745 | ​ | $ | 4,594
Computer hardware and software | ​ |  | 58,011 | ​ |  | 51,904
Leasehold improvements | ​ |  | 4,011 | ​ |  | 3,804
Equipment under finance leases | ​ |  | 7,403 | ​ |  | 7,052
Automobiles, trucks, and field equipment | ​ |  | 4,036 | ​ |  | 3,608
Subtotal | ​ |  | 78,206 | ​ |  | 70,962
Accumulated depreciation and amortization | ​ |  | (46,892) | ​ |  | (41,428)
Equipment and leasehold improvements, net | ​ | $ | 31,314 | ​ | $ | 29,534
Schedule of accrued liabilities | ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | October 3, | ​ | December 27,
​ |  | 2025 |  | 2024
​ | ​ | (in thousands)
Accrued subcontractor costs | ​ | $ | 32,209 | ​ | $ | 33,061
Accrued bonuses | ​ | ​ | 22,158 | ​ | ​ | 18,277
Employee withholdings | ​ |  | 3,096 | ​ |  | 3,664
Compensation and payroll taxes | ​ |  | 4,071 | ​ |  | 3,564
Rebate and other | ​ | ​ | — | ​ | ​ | 360
Accrued accounting costs and taxes | ​ |  | 3,235 | ​ |  | 3,850
Total accrued liabilities | ​ | $ | 64,769 | ​ | $ | 62,776
Schedule of changes in the carrying value of goodwill by reporting unit | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | December 27, | ​ | Additional | ​ | Additions / | ​ | October 3,
​ |  | 2024 |  | Purchase Cost |  | Adjustments |  | 2025
​ | ​ | (in thousands)
Reporting Unit: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Energy | ​ | $ | 139,222 | ​ | $ | 31,613 | ​ | $ | — | ​ | $ | 170,835
Engineering and Consulting | ​ | ​ | 1,769 | ​ | ​ | 4,902 | ​ | ​ | — | ​ | ​ | 6,671
​ | ​ | $ | 140,991 | ​ | $ | 36,515 | ​ | $ | — | ​ | $ | 177,506
Schedule of gross amounts and accumulated amortization of acquired identifiable intangible assets with finite useful lives | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | October 3, 2025 | ​ | December 27, 2024 | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Gross | ​ | Accumulated | ​ | Gross | ​ | Accumulated | ​ | Amortization
​ |  | Amount |  | Amortization |  | Amount |  | Amortization |  | Period
​ | ​ | (in thousands) | ​ | (in years)
Finite: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Backlog | ​ | $ | 11,600 | ​ | $ | 9,422 | ​ | $ | 8,882 | ​ | $ | 8,350 | ​ | 1.0
Tradename | ​ | ​ | 17,685 | ​ | ​ | 14,010 | ​ | ​ | 16,123 | ​ | ​ | 13,196 |  | 2.5 | ​ | - | ​ | 6.0
Non-compete agreements | ​ | ​ | 1,613 | ​ | ​ | 1,523 | ​ | ​ | 1,613 | ​ | ​ | 1,488 | ​ | 4.0 | ​ | - | ​ | 5.0
Developed technology | ​ | ​ | 15,810 | ​ | ​ | 15,780 | ​ | ​ | 15,810 | ​ | ​ | 15,286 | ​ | 8.0
Customer relationships | ​ | ​ | 71,409 | ​ | ​ | 41,760 | ​ | ​ | 62,041 | ​ | ​ | 36,735 | ​ | 5.0 | ​ | - | ​ | 12.0
Total intangible assets | ​ | $ | 118,117 | ​ | $ | 82,495 | ​ | $ | 104,469 | ​ | $ | 75,055 | ​ | ​ | ​ | ​ | ​ | ​

X
- References No definition available. + Details
Name: | us-gaap_BalanceSheetRelatedDisclosuresAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of physical assets used in the normal conduct of business and not intended for resale. Includes, but is not limited to, balances by class of assets, depreciation and depletion expense and method used, including composite depreciation, and accumulated deprecation. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 1 -SubTopic 10 -Topic 360 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482099/360-10-50-1 + Details
Name: | us-gaap_PropertyPlantAndEquipmentTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the components of accrued liabilities. + References No definition available. + Details
Name: | us-gaap_ScheduleOfAccruedLiabilitiesTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of supplemental cash flow information for the periods presented. + References No definition available. + Details
Name: | us-gaap_ScheduleOfCashFlowSupplementalDisclosuresTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of assets, excluding financial assets and goodwill, lacking physical substance with a finite life, by either major class or business segment. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Name Accounting Standards Codification -Section 55 -Paragraph 40 -SubTopic 30 -Topic 350 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482640/350-30-55-40 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 350 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482665/350-30-50-2 + Details
Name: | us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of goodwill by reportable segment and in total which includes a rollforward schedule. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 350 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 24 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482548/350-20-55-24 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 350 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482573/350-20-50-1 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 350 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (h) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482573/350-20-50-1 Reference 4: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 350 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482573/350-20-50-1 Reference 5: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 350 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482573/350-20-50-1 Reference 6: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 350 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482573/350-20-50-1 Reference 7: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 350 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (d) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482573/350-20-50-1 Reference 8: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 350 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (e) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482573/350-20-50-1 Reference 9: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 350 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (f) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482573/350-20-50-1 Reference 10: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 350 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (g) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482573/350-20-50-1 Reference 11: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 350 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1A -Publisher FASB -URI https://asc.fasb.org/1943274/2147482573/350-20-50-1A Reference 12: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 350 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482573/350-20-50-2 + Details
Name: | us-gaap_ScheduleOfGoodwillTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration