Cost Reduction (Details)	3 Months Ended	6 Months Ended	9 Months Ended
Cost Reduction (Details)	Apr. 30, 2026 USD ($) employee	Jan. 31, 2026 USD ($)	Apr. 30, 2026 USD ($) employee	Jul. 31, 2025 USD ($) employee	Jul. 31, 2024 employee
Restructuring Cost and Reserve [Line Items]
Restructuring and related cost, number of positions eliminated, period percent			24.00%
Severance costs			$ 52,000,000
Entity number of employees \| employee	1,282		1,282	1,347	1,676
Severance liability	$ 293,000		$ 293,000	$ 762,000
Severance costs paid		$ 3,900,000	$ 1,390,000
Selling, general and administrative expenses
Restructuring Cost and Reserve [Line Items]
Severance costs	$ 921,000	$ 3,633,000

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References + Details