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CONDENSED CONSOLIDATED STATEMENTS OF SHAREHOLDERS’ EQUITY (unaudited) (Parenthetical) - USD ($)
$ in Thousands
3 Months Ended
Jul. 02, 2021
Apr. 02, 2021
Jan. 01, 2021
Jun. 26, 2020
Mar. 27, 2020
Dec. 27, 2019
Statement of Stockholders' Equity [Abstract]            
Change in pension plans, net of tax $ 41 $ 33 $ 34 $ 60 $ 20 $ 21