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Note 6 - Warranty Costs (Details) (USD $) In Millions, unless otherwise specified | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Apr. 30, 2015 | Apr. 30, 2014 | Apr. 30, 2015 | Apr. 30, 2014 | Oct. 31, 2014
Product Warranties Disclosures [Abstract] |  |  |  |  |
Cash Received From Subcontractors For Owner Controlled Insurance Program |  |  | $ 1.3 hov_CashReceivedFromSubcontractorsForOwnerControlledInsuranceProgram | $ 1.0 hov_CashReceivedFromSubcontractorsForOwnerControlledInsuranceProgram |
General Liability Insurance, Deductible | 20 hov_GeneralLiabilityInsuranceDeductible |  | 20 hov_GeneralLiabilityInsuranceDeductible |  | 20 hov_GeneralLiabilityInsuranceDeductible
Bodily Injury Insurance, Deductible | 0.25 hov_BodilyInjuryInsuranceDeductible |  | 0.25 hov_BodilyInjuryInsuranceDeductible |  | 0.25 hov_BodilyInjuryInsuranceDeductible
Bodily Injury Insurance, Limit | 5 hov_BodilyInjuryInsuranceLimit |  | 5 hov_BodilyInjuryInsuranceLimit |  | 5 hov_BodilyInjuryInsuranceLimit
Aggregate Retention for Construction Defects, Warranty and Bodily Injury Claims | 21 hov_AggregateRetentionForConstructionDefectsWarrantyandBodilyInjuryClaims |  | 21 hov_AggregateRetentionForConstructionDefectsWarrantyandBodilyInjuryClaims |  | 21 hov_AggregateRetentionForConstructionDefectsWarrantyandBodilyInjuryClaims
Payments by Insurance Companies for Claims | $ 18.1 hov_PaymentsByInsuranceCompaniesForClaims | $ 1.3 hov_PaymentsByInsuranceCompaniesForClaims | $ 18.3 hov_PaymentsByInsuranceCompaniesForClaims | $ 4.2 hov_PaymentsByInsuranceCompaniesForClaims |

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 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_ProductWarrantiesDisclosuresAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration