Inventories (Tables)

3 Months Ended

Oct. 31, 2021

Inventory Disclosure [Abstract]

Inventories

Inventories consist of the following at:

	October 31, 2021		July 31, 2021
Raw materials and components	$	67,151,000	62,249,000
Work-in-process and finished goods	41,606,000		38,338,000
Total inventories	108,757,000		100,587,000
Less reserve for excess and obsolete inventories	21,061,000		20,229,000
Inventories, net	$	87,696,000	80,358,000