Income Taxes (Detail) - USD ($) $ in Millions |
9 Months Ended | ||
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Jul. 31, 2026 |
Jul. 31, 2025 |
Oct. 31, 2025 |
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| Income Tax Disclosure | |||
| Effective Income Tax Rate Reconciliation, Percent | 31.50% | 2.50% | |
| 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 | $ 10.8 | |
| 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 | |
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- Definition Effective Income Tax Rate Reconciliation, Vesting or Exercise Of Share-based Payment Arrangement, Amount No definition available.
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- 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
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- 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
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- Definition Percentage of domestic federal statutory tax rate applicable to pretax income (loss). Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- 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
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