Revenue (Schedule of Net Sales and Percentage of Net Sales, Disaggregation by Product Category) (Details) - USD ($) $ in Thousands	3 Months Ended
	May 04, 2024	Apr. 29, 2023
Disaggregation Of Revenue [Line Items]
Net sales	$ 300,365	$ 281,184
Sales Revenue Net | Geographic Concentration Risk
Disaggregation Of Revenue [Line Items]
Percentage of net sales	100.00%	100.00%
Net sales	$ 300,365	$ 281,184
Sales Revenue Net | Geographic Concentration Risk | Non-Athletics
Disaggregation Of Revenue [Line Items]
Percentage of net sales	49.00%	51.00%
Net sales	$ 148,117	$ 142,732
Sales Revenue Net | Geographic Concentration Risk | Non-Athletics | Women's
Disaggregation Of Revenue [Line Items]
Percentage of net sales	26.00%	28.00%
Net sales	$ 77,529	$ 77,759
Sales Revenue Net | Geographic Concentration Risk | Non-Athletics | Men's
Disaggregation Of Revenue [Line Items]
Percentage of net sales	16.00%	15.00%
Net sales	$ 49,193	$ 43,446
Sales Revenue Net | Geographic Concentration Risk | Non-Athletics | Children's
Disaggregation Of Revenue [Line Items]
Percentage of net sales	7.00%	8.00%
Net sales	$ 21,395	$ 21,527
Sales Revenue Net | Geographic Concentration Risk | Athletics
Disaggregation Of Revenue [Line Items]
Percentage of net sales	46.00%	44.00%
Net sales	$ 135,897	$ 122,853
Sales Revenue Net | Geographic Concentration Risk | Athletics | Women's
Disaggregation Of Revenue [Line Items]
Percentage of net sales	17.00%	15.00%
Net sales	$ 50,183	$ 42,788
Sales Revenue Net | Geographic Concentration Risk | Athletics | Men's
Disaggregation Of Revenue [Line Items]
Percentage of net sales	17.00%	17.00%
Net sales	$ 52,149	$ 48,036
Sales Revenue Net | Geographic Concentration Risk | Athletics | Children's
Disaggregation Of Revenue [Line Items]
Percentage of net sales	12.00%	12.00%
Net sales	$ 33,565	$ 32,029
Sales Revenue Net | Geographic Concentration Risk | Accessories
Disaggregation Of Revenue [Line Items]
Percentage of net sales	5.00%	5.00%
Net sales	$ 15,012	$ 14,548
Sales Revenue Net | Geographic Concentration Risk | Other
Disaggregation Of Revenue [Line Items]
Percentage of net sales	0.00%	0.00%
Net sales	$ 1,339	$ 1,051