Retirement Plans - Assumptions Used (Details)	12 Months Ended
	Jan. 29, 2021	Jan. 31, 2020	Feb. 01, 2019
Pension Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Benefit obligation, discount rate	2.47%	2.87%	4.06%
Interest cost effective rate	2.47%	3.70%
Expected rate of return on assets	5.50%	5.50%
Retiree Health Reimbursement Account Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Benefit obligation, discount rate	1.86%	2.56%	3.82%
Interest cost effective rate	2.27%	3.58%