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Note 16 - Warranty Costs (Details Textual) - USD ($) $ in Millions | 12 Months Ended
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Oct. 31, 2023 | Oct. 31, 2022
Increase (Decrease) In Construction Defect Reserves | $ 10.1 |
Payments by Insurance Companies for Claims | 0.2 | $ 0.2
Owner-Controlled Insurance Program for Subcontractors [Member] |  |
Proceeds from Insurance Premiums Collected | $ 4.3 | $ 6.0

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- Definition Represents the aggregate increase or decrease during the reporting period in the reserves for construction defects based on annual actuarial estimate. + References No definition available. + Details
Name: | hov_IncreaseDecreaseInConstructionDefectReserves
Namespace Prefix: | hov_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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- Definition Insurance claims paid by our insurance carriers, excluding insurance deductibles paid. + References No definition available. + Details
Name: | hov_PaymentsByInsuranceCompaniesForClaims
Namespace Prefix: | hov_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- Definition Cash received as payments for insurance premiums during the current period. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 25 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482740/230-10-45-25 + Details
Name: | us-gaap_ProceedsFromInsurancePremiumsCollected
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- Details
Name: | srt_ProductOrServiceAxis=hov_OwnercontrolledInsuranceProgramForSubcontractorsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |