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CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (Unaudited) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Oct. 09, 2021
Oct. 03, 2020
Oct. 09, 2021
Oct. 03, 2020
Statement Of Income And Comprehensive Income [Abstract]        
Net earnings $ 15,176 $ 19,952 $ 51,506 $ 63,821
Other comprehensive income, before tax        
Postretirement liability adjustment 57 27 190 160
Income tax expense related to items of other comprehensive income (14) (6) (46) (39)
Total other comprehensive income, after tax 43 21 144 121
Comprehensive income $ 15,219 $ 19,973 $ 51,650 $ 63,942