Other Current Liabilities (Detail) - USD ($) $ in Thousands	Feb. 03, 2019	Jan. 28, 2018
Accounts Payable and Accrued Liabilities [Abstract]
Accrued duty, freight, and other operating expenses	$ 49,945	$ 33,695
Sales tax collected	16,091	11,811
Sales return allowances	11,318	6,293
Accrued capital expenditures	11,295	5,714
Deferred revenue	8,045	2,453
Accrued rent	7,331	7,074
Lease termination liabilities	2,293	6,427
Net forward currency contract liabilities	1,042	8,771
Other	5,338	4,178
Other current liabilities	$ 112,698	$ 86,416