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Note 6 - Warranty Costs (Details Textual) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Apr. 30, 2017 USD ($) | Apr. 30, 2016 USD ($) | Apr. 30, 2017 USD ($) | Apr. 30, 2016 USD ($)
Aggregate Retention for Construction Defects Warranty and Bodily Injury Claims | $ 21,000 | $ 21,000 | $ 21,000 | $ 21,000
Payments by Insurance Companies for Claims | 200 | 500 | 200 | 3,700
Cash Received from Subcontractors for Owner Controlled Insurance Program |  |  | 1,800 | 2,000
General Liability Insurance Deductible | 20,000 | 20,000 | 20,000 | 20,000
Bodily Injury Insurance Deductible | 250 | 250 | 250 | 250
Bodily Injury Insurance Limit | $ 5,000 | $ 5,000 | $ 5,000 | $ 5,000
Homebuilding [Member] | Northeast [Member] |  |  |  |
Number of Construction Defect Claims Settled During the Period |  |  |  | 2

X
- Definition Aggregate annual retention for construction defect, warranty and bodily injury claims. + References No definition available. + Details
Name: | hov_AggregateRetentionForConstructionDefectsWarrantyAndBodilyInjuryClaims
Namespace Prefix: | hov_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Annual deductible for bodily injury claims. + References No definition available. + Details
Name: | hov_BodilyInjuryInsuranceDeductible
Namespace Prefix: | hov_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The limit on our deductible for bodily injury claims. + References No definition available. + Details
Name: | hov_BodilyInjuryInsuranceLimit
Namespace Prefix: | hov_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of cash received from subcontractors for owner controlled insurance program, which we accounted for as a reduction to inventory. + References No definition available. + Details
Name: | hov_CashReceivedFromSubcontractorsForOwnerControlledInsuranceProgram
Namespace Prefix: | hov_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Annual deductible under our general liability insurance per occurrence for construction defects and warranty claims on homes delivered. + References No definition available. + Details
Name: | hov_GeneralLiabilityInsuranceDeductible
Namespace Prefix: | hov_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Represents the number of construction defect claims settled during the period. + References No definition available. + Details
Name: | hov_NumberOfConstructionDefectClaimsSettledDuringThePeriod
Namespace Prefix: | hov_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- 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

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=hov_HomebuildingMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementGeographicalAxis=hov_NortheastMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |