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Inventories (Details) - USD ($) | Jan. 31, 2022 | Jul. 31, 2021
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Inventory Disclosure [Abstract] |  |
Raw materials and components | $ 66,162,000 | $ 62,249,000
Work-in-process and finished goods | 46,073,000 | 38,338,000
Total inventories | 112,235,000 | 100,587,000
Less reserve for excess and obsolete inventories | 21,961,000 | 20,229,000
Inventories, net | 90,274,000 | 80,358,000
Inventory directly related to long-term contracts | 8,567,000 | 7,028,000
Inventory related to contracts from third party commercial customers who outsource their manufacturing to us | $ 1,700,000 | $ 1,509,000

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- Definition Net carrying amount as of the balance sheet date of inventories related to contracts from third-party commercial customers who outsource their manufacturing to the Company. + References No definition available. + Details
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