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Benefit Plans - Schedule of Share-Based Compensation Reflected in Consolidated Statement of Operations and Comprehensive Loss (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Apr. 30, 2026 | Apr. 30, 2025 | Apr. 30, 2026 | Apr. 30, 2025
Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Line Items] |  |  |  |
Allocated Share-based Compensation Expense | $ 2,577 | $ 4,757 | $ 4,944 | $ 6,866
Cost of revenues |  |  |  |
Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Line Items] |  |  |  |
Allocated Share-based Compensation Expense | 157 | 269 | 365 | 413
Administrative and selling expense |  |  |  |
Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Line Items] |  |  |  |
Allocated Share-based Compensation Expense | 2,295 | 4,269 | 4,355 | 6,129
Research and development expense |  |  |  |
Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Line Items] |  |  |  |
Allocated Share-based Compensation Expense | $ 125 | $ 219 | $ 224 | $ 324

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