BUSINESS COMBINATIONS - Pro Forma Information - Tabular Disclosure (Details) - Enica Engineering, PLLC - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	12 Months Ended
Dec. 27, 2024	Dec. 29, 2023
Business Acquisition, Pro Forma Information
Pro forma revenue	$ 573,835	$ 518,521
Pro forma income (loss) from operations	33,633	24,079
Pro forma net income (loss)	$ 24,499	$ 12,427
Income (Loss) per share, basic (in dollars per share)	$ 1.77	$ 0.93
Income (Loss) per share, diluted (in dollars per share)	$ 1.72	$ 0.91
Weighted average shares outstanding, basic (in shares)	13,818	13,394
Weighted average shares outstanding, diluted (in shares)	14,245	13,606

The pro forma basic net income per share for a period as if the business combination or combinations had been completed at the beginning of a period.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (h)(2)
-SubTopic 10
-Topic 805
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479328/805-10-50-2

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (h)(3)
-SubTopic 10
-Topic 805
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479328/805-10-50-2

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 805
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (h)(2)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479328/805-10-50-2

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-Section 50
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-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479328/805-10-50-2

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