EARNINGS PER SHARE- Schedule of Reconciliation of Basic and Diluted Share Counts (Details) - shares	12 Months Ended
Dec. 25, 2024	Dec. 27, 2023	Dec. 28, 2022
EARNINGS PER SHARE.
Weighted-average shares outstanding-basic (shares)	29,850,256	34,253,542	36,350,579
Dilutive effect of stock options and restricted shares (shares)	184,722	121,164	225,325
Weighted-average shares outstanding-diluted (shares)	30,034,978	34,374,706	36,575,904

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- Definition

Additional shares included in the calculation of diluted EPS as a result of the potentially dilutive effect of share based payment arrangements using the treasury stock method.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition

The average number of shares or units issued and outstanding that are used in calculating diluted EPS or earnings per unit (EPU), determined based on the timing of issuance of shares or units in the period.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 260
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- Definition

Number of [basic] shares or units, after adjustment for contingently issuable shares or units and other shares or units not deemed outstanding, determined by relating the portion of time within a reporting period that common shares or units have been outstanding to the total time in that period.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 260
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