Inventories, Net (Tables)

12 Months Ended

Jul. 31, 2018

Inventory Disclosure [Abstract]

Summary of inventories

A summary of inventories, net, is as follows:

	July 31,
	2018			2017
Raw materials and parts	$	49,054		$	45,831
Work-in-process	13,189			13,484
Finished goods	53,948			48,262
Less: reserve for excess and obsolete inventory	(8,599		)	(8,853		)
Total inventories, net	$	107,592		$	98,724