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Inventories
3 Months Ended
Oct. 31, 2023
Inventory Disclosure [Abstract]  
Inventories Inventories
Inventories consist of the following at:
 October 31, 2023July 31, 2023
Raw materials and components$75,591,000 87,139,000 
Work-in-process and finished goods26,749,000 43,365,000 
Total inventories102,340,000 130,504,000 
Less reserve for excess and obsolete inventories16,900,000 24,659,000 
Inventories, net$85,440,000 105,845,000 

As of October 31, 2023 and July 31, 2023, the amount of inventory directly related to long-term contracts (including contracts-in-progress) was $4,575,000 and $5,911,000, respectively, and the amount of inventory related to contracts from third-party commercial customers who outsource their manufacturing to us was $2,707,000 and $3,277,000, respectively.