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Gross number of share options (or share units) granted during the period.

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Number of options outstanding, including both vested and non-vested options.

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Number of non-vested options outstanding.

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STOCK-BASED COMPENSATION - Additional Information (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jul. 01, 2026	Jun. 25, 2025	Jul. 01, 2026	Jun. 25, 2025	Dec. 31, 2025
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation expense	$ 1,600	$ 1,700	$ 2,900	$ 2,700
Common stock, options outstanding (shares)	1,289,129		1,289,129		1,233,984
Common stock, options vested (in shares)	452,000		452,000
Common stock, options unvested (shares)	837,129		837,129
Options to purchase common stock granted (shares)			378,603
Unrecognized compensation expense	$ 4,000		$ 4,000
Unrecognized compensation expense, recognition period			2 years 2 months 23 days
Stock-based compensation expense			$ 2,866	$ 2,747
Omnibus Equity Incentive Plan 2018
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of share available for grant (shares)	2,213,185		2,213,185
Restricted Shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unvested restricted shares outstanding (shares)	647,925		647,925		617,037
Unrecognized compensation expense	$ 6,500		$ 6,500
Unrecognized compensation expense, recognition period			2 years 1 month 6 days
Performance restricted stock units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unvested restricted shares outstanding (shares)	235,810		235,810		137,805