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Inventories (Tables)
12 Months Ended
Jul. 31, 2024
Inventory Disclosure [Abstract]  
Inventories
Inventories consist of the following at July 31, 2024 and 2023:
 20242023
Raw materials and components$72,820,000 87,139,000 
Work-in-process and finished goods38,587,000 43,365,000 
Total inventories111,407,000 130,504,000 
Less reserve for excess and obsolete inventories18,271,000 24,659,000 
Inventories, net$93,136,000 105,845,000