Inventories (Details) - USD ($) $ in Thousands	Apr. 29, 2017	Jan. 28, 2017
Inventory Disclosure [Abstract]
Raw materials	$ 663	$ 799
Work in progress	340	78
Finished goods	401,670	366,504
Inventories	402,673	367,381
Allowance to write down inventories to the lower of cost or net realizable value	$ 21,600	$ 19,400