Summary of Significant Accounting Policies (Narrative) (Details) - USD ($) shares in Thousands	3 Months Ended	12 Months Ended		24 Months Ended
	Aug. 01, 2020	Jan. 28, 2023	Jan. 29, 2022	Jan. 30, 2021
New Accounting Pronouncements Or Change In Accounting Principle [Line Items]
Cash and cash equivalents		$ 51,372,000	$ 117,443,000
Credit and debit card receivables		6,300,000	6,700,000
Goodwill impairments		0
Intangible assets impairments		$ 0
Credit and debit card receivable, settlement period, low end of range		3 days
Advertising expenses		$ 55,900,000	$ 58,700,000	$ 42,100,000
Topic 606
New Accounting Pronouncements Or Change In Accounting Principle [Line Items]
Accounting policy early adoption		true
Accounting policy adopted		true
Accounting policy immaterial effect		true
Unvested Stock-based Awards
New Accounting Pronouncements Or Change In Accounting Principle [Line Items]
Antidilutive securities excluded from computation of earnings per share, shares.		7,000		2,000
COVID-19 Impacts
New Accounting Pronouncements Or Change In Accounting Principle [Line Items]
Percentage of stores opened	50.00%
Percentage of stores opened, effective date		early June