Inventories

6 Months Ended

Sep. 30, 2017

Inventory Disclosure [Abstract]

Inventories

5. Inventories

Inventories are principally valued at standard cost, which approximates the lower of cost and net realizable value on a first-in, first-out basis. Components of inventories were as follows:

(In thousands)	Sep 30, 2017		Apr 1, 2017
Raw materials and purchased parts	$	43,824	$	41,383
Work-in-process	13,753		13,829
Finished goods	3,846		3,730
	$	61,423	$	58,942