Disposition - Narrative (Details) - USD ($)		3 Months Ended		9 Months Ended
	Nov. 07, 2023	Apr. 30, 2024	Apr. 30, 2023	Apr. 30, 2024	Apr. 30, 2023
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Contingent consideration on sale of stock	$ 5,000,000
Proceeds from divestiture				$ 33,225,000	$ 0
Gain (loss) on disposition of business		$ (200,000)	$ 0	2,013,000	$ 0
Contingent receivable		$ 3,300,000		$ 3,300,000
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
Proceeds held in escrow, receipt	800,000
Proceeds held in escrow	1,000,000
Transaction costs	$ 2,182,000