Inventories

6 Months Ended

Jul. 31, 2016

Inventory Disclosure [Abstract]

Inventories

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)	July 31, 2016		January 31, 2016
Raw materials	$	2,993	$	2,094
Work in progress	41,500		40,940
Finished goods	17,990		20,841
Inventories	$	62,483	$	63,875