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Inventories
6 Months Ended
Jan. 31, 2022
Inventory Disclosure [Abstract]  
Inventories Inventories
Inventories consist of the following at:
 January 31, 2022July 31, 2021
Raw materials and components$66,162,000 62,249,000 
Work-in-process and finished goods46,073,000 38,338,000 
Total inventories112,235,000 100,587,000 
Less reserve for excess and obsolete inventories21,961,000 20,229,000 
Inventories, net$90,274,000 80,358,000 

As of January 31, 2022 and July 31, 2021, the amount of inventory directly related to long-term contracts (including contracts-in-progress) was $8,567,000 and $7,028,000, respectively, and the amount of inventory related to contracts from third-party commercial customers who outsource their manufacturing to us was $1,700,000 and $1,509,000, respectively.