Defined Benefit Pension Plans and Other Postretirement Benefit Plans - Textuals (Details) $ in Millions	12 Months Ended
	Feb. 01, 2020 USD ($) hour	Feb. 02, 2019 USD ($)	Feb. 03, 2018 USD ($)
Defined Benefit Plan Disclosure [Line Items]
Minimum hours of service of employee related to savings plan | hour	500
Pension Benefits
Defined Benefit Plan Disclosure [Line Items]
Maximum percentage of salary up to which additional contribution made by employer	2.50%
Other Benefits
Defined Benefit Plan Disclosure [Line Items]
Age under health care plan for early retirees eligible for benefits	65 years
Minimum year of age of employee related to savings plan	18 years
Percent of matching contribution by employer	100.00%
Maximum employer contribution up to a specified percentage of salary	3.00%
Percent of matching contribution by employer up to a specified percentage of salary	50.00%
Another maximum employer contribution up to specified percentage of salary	2.00%
Contribution expense to company for matching program | $	$ 5.3	$ 5.6	$ 5.1