Income Taxes (Detail) - USD ($) $ in Millions |
6 Months Ended | ||
|---|---|---|---|
Apr. 30, 2026 |
Apr. 30, 2025 |
Oct. 31, 2025 |
|
| Income Tax Disclosure | |||
| Effective Income Tax Rate Reconciliation, Percent | 122.40% | 18.20% | |
| Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent | 21.00% | ||
| Effective Income Tax Rate Reconciliation, Vesting or Exercise Of Share-based Payment Arrangement, Amount | $ 3.2 | $ 0.4 | |
| State and Local Jurisdiction | |||
| Income Tax Disclosure | |||
| Valuation allowance | 0.8 | $ 0.8 | |
| Capital Loss Carryforward | |||
| Income Tax Disclosure | |||
| Valuation allowance | $ 3.6 | $ 3.6 | |
| X | ||||||||||
- Definition Effective Income Tax Rate Reconciliation, Vesting or Exercise Of Share-based Payment Arrangement, Amount No definition available.
|
| X | ||||||||||
- Definition Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Percentage of domestic federal statutory tax rate applicable to pretax income (loss). Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- 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. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|