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Inventories, Net
9 Months Ended
Apr. 30, 2018
Inventory Disclosure [Abstract]  
Inventories, Net
Inventories, Net
 
A summary of inventories is as follows:
 
April 30, 2018
 
July 31, 2017
Raw materials and parts
$
49,365

 
$
45,831

Work-in-process
15,498

 
13,484

Finished goods
56,297

 
48,262

Reserve for excess and obsolete inventory
(8,051
)
 
(8,853
)
Total
$
113,109

 
$
98,724