Condensed Consolidated Statement of Comprehensive Income - USD ($) $ in Thousands	4 Months Ended
	Jan. 23, 2022	Jan. 17, 2021
Statement of Comprehensive Income [Abstract]
Net earnings	$ 39,270	$ 50,859
Actuarial losses and prior service costs reclassified to earnings	996	1,517
Unrecognized periodic benefit costs	996	1,517
Tax effect	(258)	(394)
Unrecognized periodic benefit costs	738	1,123
Comprehensive income	$ 40,008	$ 51,982