Basis of Financial Statement Presentation (Details)	3 Months Ended		6 Months Ended		12 Months Ended
	Aug. 03, 2019	Aug. 04, 2018	Aug. 03, 2019	Aug. 04, 2018	Feb. 01, 2020	Feb. 02, 2019
Accounting Policies [Abstract]
Number of weeks in fiscal year	91 days	91 days	182 days	182 days		364 days
Number of weeks in fiscal quarter	P13W	P13W	P26W	P26W		P52W
Fiscal 2019 [Member]
Accounting Policies [Abstract]
Number of weeks in fiscal year					364 days
Number of weeks in fiscal quarter					P52W