Inventories (Details) - USD ($) $ in Thousands	Jan. 28, 2017	Jan. 30, 2016
Inventory Disclosure [Abstract]
Raw materials	$ 799	$ 1,150
Work in progress	78	92
Finished goods	366,504	310,462
Inventories	367,381	311,704
Allowance to write down inventories to the lower of cost or market	$ 19,400	$ 15,900