Basis of Presentation and Summary of Significant Accounting Policies (Details) $ in Millions	3 Months Ended		12 Months Ended
	May 05, 2018 USD ($) store	Apr. 29, 2017 USD ($)	Feb. 02, 2019	Feb. 03, 2018
Components of Operating Cost and Expense [Abstract]
Number of Stores | store	1,415
Number of States in which Entity Operates	47
Operating Cycle	52 or 53 weeks
Fiscal Period Duration	91 days	91 days	364 days	371 days
Distribution and Outbound Transportation Costs	$ 42.9	$ 39.3
Advertising Expense	$ 22.0	$ 19.9