CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (Unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jul. 13, 2024	Jul. 15, 2023	Jul. 13, 2024	Jul. 15, 2023
Statement of Comprehensive Income [Abstract]
Net earnings	$ 11,489	$ 19,468	$ 24,460	$ 30,805
Other comprehensive (loss) income, before tax
Change in interest rate swap	(2,882)	2,281	1,726	1,145
Postretirement liability adjustment	(570)	(326)	(1,462)	(1,237)
Total other comprehensive (loss) income, before tax	(3,452)	1,955	264	(92)
Income tax benefit (expense) related to items of other comprehensive (loss) income	809	(454)	(55)	36
Total other comprehensive (loss) income, after tax	(2,643)	1,501	209	(56)
Comprehensive income	$ 8,846	$ 20,969	$ 24,669	$ 30,749