Accrued Expenses and Other Current Liabilities (Details) - USD ($)	Jul. 31, 2025	Jul. 31, 2024	Jul. 31, 2023
Accrued Liabilities, Current [Abstract]
Accrued wages and benefits	$ 21,158,000	$ 22,131,000
Accrued warranty obligations	8,475,000	7,049,000	$ 8,285,000
Accrued contract costs	6,676,000	17,267,000
Accrued commissions and royalties	4,867,000	5,396,000
Accrued contributions for constructing long-lived assets	2,789,000	0
Accrued legal costs	830,000	3,092,000
Other	13,628,000	7,310,000
Accrued expenses and other current liabilities	$ 58,423,000	$ 62,245,000