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Inventories
9 Months Ended
Apr. 30, 2024
Inventory Disclosure [Abstract]  
Inventories Inventories
Inventories consist of the following at:
 April 30, 2024July 31, 2023
Raw materials and components$73,811,000 87,139,000 
Work-in-process and finished goods40,801,000 43,365,000 
Total inventories114,612,000 130,504,000 
Less reserve for excess and obsolete inventories18,492,000 24,659,000 
Inventories, net$96,120,000 105,845,000 

As of April 30, 2024 and July 31, 2023, the amount of inventory directly related to long-term contracts (including contracts-in-progress) was $4,310,000 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 $2,386,000 and $3,277,000, respectively.