Significant Accounting Policies - Schedule of Product Recall Adjustments Effect on Income Before Income Taxes (Detail) - USD ($) $ in Thousands	12 Months Ended
	Feb. 02, 2019	Feb. 03, 2018	Jan. 28, 2017
Payables And Accruals [Line Items]
Product recall adjustment effect on income before income taxes	$ 1,619	$ 7,707	$ 4,615
Reduction of Net Revenues [Member]
Payables And Accruals [Line Items]
Product recall adjustment effect on income before income taxes	4,733	3,207	3,441
Impact on Cost of Goods Sold [Member]
Payables And Accruals [Line Items]
Product recall adjustment effect on income before income taxes	(4,139)	4,315	535
Impact on Gross Profit [Member]
Payables And Accruals [Line Items]
Product recall adjustment effect on income before income taxes	594	7,522	3,976
Incremental Selling, General and Administrative Expenses [Member]
Payables And Accruals [Line Items]
Product recall adjustment effect on income before income taxes	$ 1,025	$ 185	$ 639