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Note 5 - Variable Interest Entities (Details Textual) - USD ($) $ in Millions | Jul. 31, 2025 | Oct. 31, 2024
--- | --- | ---
Variable Interest Entities |  |
Deposits Associated with Land and Lot Options of Unconsolidated Variable Interest Entities | $ 312.1 | $ 264.8
Purchase Price Associated with Land and Lot Options of Unconsolidated Variable Interest Entities | $ 3,400.0 | $ 3,000.0

X
- Definition Cash and letter of credit deposits associated with land and lot options of unconsolidated variable interest entities. + References No definition available. + Details
Name: | hov_DepositsAssociatedWithLandAndLotOptionsOfUnconsolidatedVariableInterestEntities
Namespace Prefix: | hov_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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- Definition Purchase price associated with land and lot options of unconsolidated variable interest entities. + References No definition available. + Details
Name: | hov_PurchasePriceAssociatedWithLandAndLotOptionsOfUnconsolidatedVariableInterestEntities
Namespace Prefix: | hov_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- References No definition available. + Details
Name: | us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration