Inventories (Tables)

12 Months Ended

Apr. 30, 2015

Inventory Disclosure [Abstract]

Summary of Inventories

The following table sets forth a summary of inventories, net of reserves, stated at lower of cost or market, as of April 30, 2015 and 2014 (in thousands):

	April 30, 2015		April 30, 2014
Finished goods	$	28,240	$	26,523
Finished parts		34,269		47,109
Work in process		7,492		7,643
Raw material		6,894		5,467
Total inventories	$	76,895	$	86,742