Inventories, Net (Tables)

9 Months Ended

Apr. 30, 2019

Inventory Disclosure [Abstract]

Summary of inventories

A summary of inventories is as follows:

	April 30, 2019			July 31, 2018
Raw materials and parts	$	68,557		$	49,054
Work-in-process	4,816			13,189
Finished goods	70,887			53,948
Reserve for excess and obsolete inventory	(10,067		)	(8,599		)
Total	$	134,193		$	107,592