CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY (Parenthetical) - shares	12 Months Ended
Dec. 26, 2021	Dec. 27, 2020	Dec. 29, 2019
Statement of Stockholders' Equity [Abstract]
Stock options (in shares)	324,460	644,268	419,160
Restricted stock unit vested (in shares)	196,416	142,958	246,599
Performance-based awards (in shares)	142,253	257,098	418,491

Number of share options (or share units) exercised during the current period.

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