Disposition - Narrative (Details) - USD ($)		12 Months Ended
	Nov. 07, 2023	Jul. 31, 2025	Jul. 31, 2024	Jul. 31, 2023	Oct. 31, 2024
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Gain (loss) on disposition of business		$ 0	$ (1,199,000)	$ 0
Less reserve for excess and obsolete inventories		$ 26,423,000	$ 18,271,000
Restructuring Charges, Statement of Income or Comprehensive Income [Extensible Enumeration]		Gain (loss) on disposition of business
Disposal Group, Disposed of by Sale, Not Discontinued Operations | Solid-State RF Microwave High Power Amplifiers and Control Components Product Line
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Divestiture preliminary purchase price	$ 35,459,000
Proceeds from divestiture	$ 33,277,000
Disposal Group, Disposed of by Sale, Not Discontinued Operations | CGC Technology Limited
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Reversed revenue		$ 4,157,000
Reversed contract cost		1,403,000
Restructuring charges		$ 3,485,000
Less reserve for excess and obsolete inventories					$ 2,948,000