Inventories (Tables)

12 Months Ended

Jan. 31, 2021

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 net realizable value and consisted of the following:

(in thousands)	January 31, 2021		January 26, 2020
Raw materials	$	2,936	$	2,223
Work in progress	59,523		50,640
Finished goods	25,035		20,147
Inventories	$	87,494	$	73,010