Income Taxes - Schedule of Reconciliation of Income Tax Provision (Details) - USD ($) $ in Millions	12 Months Ended
	Jan. 29, 2022	Jan. 30, 2021	Feb. 01, 2020	Feb. 03, 2018
Income Tax Disclosure [Abstract]
Federal income tax provision (benefit) at the statutory rate	$ 14.6	$ 50.5	$ (112.2)
Effect of:
Goodwill impairment			101.2
Changes in valuation allowances	(0.4)	(25.5)	29.3
State and local taxes, net of federal benefit	1.7	12.8	(4.6)
Revaluation of federal NOL carryback		(4.8)
Officers’ life insurance	1.3	0.4	1.1
Uncertain tax positions (inclusive of penalties and interest)	(0.1)	(0.5)	1.1
Federal general business credits	(1.0)	(0.8)	(0.9)
Revaluation of deferred tax liability due to state tax law changes	(1.0)	(0.2)	(0.4)
Other, net	0.3	(3.1)	(0.3)
Income tax provision	$ 13.0	$ 28.0	$ 12.1
Federal income tax provision (benefit) at the statutory rate	21.00%	21.00%	21.00%	35.00%
Effect of:
Goodwill impairment			(18.90%)
Changes in valuation allowances	(0.60%)	(10.60%)	5.50%
State and local taxes, net of federal benefit	2.40%	5.30%	0.90%
Revaluation of federal NOL carryback		(2.00%)
Officers' life insurance	(1.90%)	(0.20%)	0.20%
Uncertain tax positions (inclusive of penalties and interest)	(0.10%)	(0.20%)	(0.20%)
Federal general business credits	(1.40%)	(0.30%)	0.10%
Revaluation of deferred tax liability due to state tax law changes percent	(1.40%)	(0.10%)	0.10%
Other, net	0.50%	(1.20%)
Income tax provision	18.70%	11.70%	(2.30%)