Inventories (Tables)

6 Months Ended

Jan. 31, 2023

Inventory Disclosure [Abstract]

Inventories

Inventories consist of the following at:

	January 31, 2023		July 31, 2022
Raw materials and components	$	82,469,000	78,478,000
Work-in-process and finished goods	41,401,000		40,960,000
Total inventories	123,870,000		119,438,000
Less reserve for excess and obsolete inventories	23,740,000		23,121,000
Inventories, net	$	100,130,000	96,317,000