Retirement and Other Benefit Plans - Components of Net Periodic Benefit Income (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jul. 30, 2022	Jul. 31, 2021	Jul. 30, 2022	Jul. 31, 2021
Pension Plan
Retirement and Other Benefit Plans
Service cost	$ 1,810	$ 1,801	$ 3,572	$ 3,743
Interest cost	3,026	2,806	5,997	5,619
Expected return on assets	(7,024)	(7,108)	(14,008)	(14,222)
Actuarial loss (gain)	883	592	1,564	1,207
Prior service income	(83)	(132)	(158)	(257)
Total net periodic benefit income	(1,388)	(2,041)	(3,033)	(3,910)
Other Postretirement Benefits Plan
Retirement and Other Benefit Plans
Service cost	0	0	0	0
Interest cost	8	10	18	20
Expected return on assets	0	0	0	0
Actuarial loss (gain)	(27)	(28)	(52)	(55)
Prior service income	0	0	0	0
Total net periodic benefit income	$ (19)	$ (18)	$ (34)	$ (35)