Basis of Presentation and Summary of Significant Accounting Policies (Details) $ in Millions	3 Months Ended		9 Months Ended		12 Months Ended
	Oct. 31, 2020 USD ($) store	Nov. 02, 2019 USD ($)	Oct. 31, 2020 USD ($) store	Nov. 02, 2019 USD ($)	Jan. 30, 2021	Feb. 01, 2020
Components of Operating Cost and Expense [Abstract]
Number of Stores | store	1,411		1,411
Number of States in which Entity Operates	47		47
Fiscal Period Duration	91 days	91 days	273 days	273 days	364 days	364 days
Distribution and Outbound Transportation Costs	$ 66.3	$ 48.8	$ 178.3	$ 137.1
Advertising Expense	$ 24.4	$ 18.2	$ 69.2	$ 57.9