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Income Taxes (Narrative) (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jul. 31, 2021	Aug. 01, 2020	Jul. 31, 2021	Aug. 01, 2020	Aug. 03, 2019
Income Tax [Line Items]
Income before income taxes	$ 85,097,000	$ 32,642,000	$ 147,807,000	$ (39,411,000)
Income tax expense (benefit)	$ 20,256,000	$ 3,061,000	$ 33,370,000	$ (18,410,000)
Effective tax rate	23.80%	9.40%	22.60%	46.70%
Accrual for uncertain tax, interest or penalties	$ 0	$ 0	$ 0	$ 0	$ 0
Minimum
Income Tax [Line Items]
State income taxes, statute of limitations period (years)			3 years
Maximum
Income Tax [Line Items]
State income taxes, statute of limitations period (years)			4 years

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