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CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (Unaudited) - USD ($)
$ in Thousands
4 Months Ended
Apr. 24, 2021
Apr. 18, 2020
Statement Of Income And Comprehensive Income [Abstract]    
Net earnings $ 19,516 $ 15,402
Other comprehensive income, before tax    
Postretirement liability adjustment 76 106
Income tax expense related to items of other comprehensive income (19) (26)
Total other comprehensive income, after tax 57 80
Comprehensive income $ 19,573 $ 15,482