Inventories (Tables)

12 Months Ended

Jan. 31, 2016

Inventory Disclosure [Abstract]

Summary of inventories

Inventories, consisting of material, material overhead, labor, and manufacturing overhead, are stated at the lower of cost (first-in, first-out) or market and consist of the following:

(in thousands)	January 31, 2016		January 25, 2015
Raw materials	$	2,094	$	1,624
Work in progress	40,940		36,759
Finished goods	20,841		35,285
Inventories	$	63,875	$	73,668