Revenue (Schedule of Revenue Disaggregation by Product Category) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Oct. 29, 2022	Oct. 30, 2021	Oct. 29, 2022	Oct. 30, 2021
Disaggregation Of Revenue [Line Items]
Net sales	$ 341,661	$ 356,336	$ 971,456	$ 1,017,023
Sales Revenue Net | Geographic Concentration Risk
Disaggregation Of Revenue [Line Items]
Percentage of net sales	100.00%	100.00%	100.00%	100.00%
Net sales	$ 341,661	$ 356,336	$ 971,456	$ 1,017,023
Sales Revenue Net | Geographic Concentration Risk | Non-Athletics
Disaggregation Of Revenue [Line Items]
Percentage of net sales	47.00%	39.00%	50.00%	44.00%
Net sales	$ 162,291	$ 138,615	$ 493,234	$ 439,093
Sales Revenue Net | Geographic Concentration Risk | Non-Athletics | Women's
Disaggregation Of Revenue [Line Items]
Percentage of net sales	24.00%	21.00%	27.00%	23.00%
Net sales	$ 83,611	$ 73,031	$ 266,180	$ 231,702
Sales Revenue Net | Geographic Concentration Risk | Non-Athletics | Men's
Disaggregation Of Revenue [Line Items]
Percentage of net sales	15.00%	12.00%	16.00%	14.00%
Net sales	$ 52,917	$ 44,226	$ 157,060	$ 140,186
Sales Revenue Net | Geographic Concentration Risk | Non-Athletics | Children's
Disaggregation Of Revenue [Line Items]
Percentage of net sales	8.00%	6.00%	7.00%	14.00%
Net sales	$ 25,763	$ 21,358	$ 69,994	$ 147,092
Sales Revenue Net | Geographic Concentration Risk | Athletics
Disaggregation Of Revenue [Line Items]
Percentage of net sales	47.00%	55.00%	44.00%	50.00%
Net sales	$ 158,289	$ 196,960	$ 421,453	$ 520,330
Sales Revenue Net | Geographic Concentration Risk | Athletics | Women's
Disaggregation Of Revenue [Line Items]
Percentage of net sales	15.00%	16.00%	15.00%	16.00%
Net sales	$ 51,010	$ 58,941	$ 142,555	$ 167,184
Sales Revenue Net | Geographic Concentration Risk | Athletics | Men's
Disaggregation Of Revenue [Line Items]
Percentage of net sales	17.00%	21.00%	17.00%	20.00%
Net sales	$ 55,825	$ 73,429	$ 159,738	$ 206,054
Sales Revenue Net | Geographic Concentration Risk | Athletics | Children's
Disaggregation Of Revenue [Line Items]
Percentage of net sales	15.00%	18.00%	12.00%	7.00%
Net sales	$ 51,454	$ 64,590	$ 119,160	$ 67,205
Sales Revenue Net | Geographic Concentration Risk | Accessories
Disaggregation Of Revenue [Line Items]
Percentage of net sales	6.00%	5.00%	5.00%	5.00%
Net sales	$ 19,466	$ 18,372	$ 51,880	$ 51,265
Sales Revenue Net | Geographic Concentration Risk | Other
Disaggregation Of Revenue [Line Items]
Percentage of net sales	0.00%	1.00%	1.00%	1.00%
Net sales	$ 1,615	$ 2,389	$ 4,889	$ 6,335