Fixed Assets - Summary of Depreciation Expense (Detail) - USD ($) $ in Thousands	12 Months Ended
	Jan. 30, 2016	Jan. 31, 2015	Feb. 01, 2014
Depreciation And Amortization Expenses [Line Items]
Depreciation expense	$ 27,351	$ 24,743	$ 22,367
Cost of Goods Sold [Member]
Depreciation And Amortization Expenses [Line Items]
Depreciation expense	1,238	1,230	1,086
Selling, General and Administrative Expenses [Member]
Depreciation And Amortization Expenses [Line Items]
Depreciation expense	$ 26,113	$ 23,513	$ 21,281