Income Taxes - Reconciliation of Federal Statutory Tax Rate to Company's Effective Tax Rate (Detail)	12 Months Ended
	Jan. 28, 2023	Jan. 29, 2022	Jan. 30, 2021
Income Taxes
Provision at federal statutory tax rate	21.00%	21.00%	21.00%
State income taxes-net of federal tax impact	(2.80%)	2.40%	4.20%
Stock compensation-excess benefits	(50.00%)	(8.00%)	(4.90%)
Tax impact of convertible senior notes repurchase	9.40%
Non-deductible stock-based compensation	0.90%	0.60%	6.50%
Valuation allowance	0.50%		0.10%
Tax rate adjustments and other	0.10%	0.20%	0.30%
Other permanent items			0.60%
Effective Income Tax Rate Reconciliation, Percent, Total	(20.90%)	16.20%	27.80%