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v3.25.1

Inventories (Details) | 9 Months Ended |
--- | --- | ---
Apr. 30, 2025 USD ($) inventory | Apr. 30, 2024 USD ($) | Jul. 31, 2024 USD ($)
Inventory [Line Items] |  |  |
Raw materials and components | $ 70,473,000 |  | $ 72,820,000
Work-in-process and finished goods | 34,418,000 |  | 38,587,000
Total inventories | 104,891,000 |  | 111,407,000
Less reserve for excess and obsolete inventories | 27,200,000 |  | 18,271,000
Inventories, net | 77,691,000 |  | 93,136,000
Inventory directly related to long-term contracts | 2,935,000 |  | 2,869,000
Inventory related to contracts from third party commercial customers who outsource their manufacturing to us | 1,809,000 |  | $ 2,204,000
Provision for excess and obsolete inventory | $ 14,485,000 | $ 2,243,000 |
Inventory related, number of inventory written-off | inventory | 70 |  |
Inventory, Work in Process, Write-down | $ 1,082,000 |  |
Cost of sales |  |  |
Inventory [Line Items] |  |  |
Provision for excess and obsolete inventory | $ 11,369,000 |  |

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