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CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2022
Jan. 01, 2022
Jan. 02, 2021
Statement of Comprehensive Income [Abstract]      
Net earnings $ 34,518 $ 73,751 $ 75,914
Other comprehensive income (loss), before tax      
Postretirement liability adjustment 5,875 1,087 (895)
Income tax (expense) benefit related to items of other comprehensive income (1,441) (266) 219
Total other comprehensive income (loss), after tax 4,434 821 (676)
Comprehensive income $ 38,952 $ 74,572 $ 75,238