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Note 16 - Warranty Costs (Details Textual) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Oct. 31, 2018 | Oct. 31, 2017 | Oct. 31, 2018 | Oct. 31, 2017
Cash Received from Subcontractors for Owner Controlled Insurance Program |  |  | $ 4,600 | $ 4,100
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
Aggregate Retention for Construction Defects Warranty and Bodily Injury Claims | 20,000 | 21,000 | 20,000 | 21,000
Increase (Decrease) In Construction Defect Reserves | $ (10,200) | 12,500 |  |
Standard Product Warranty Accrual, Period Increase (Decrease), Total |  | $ 4,600 |  |
Payments by Insurance Companies for Claims |  |  | $ 200 | $ 900

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- 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

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- 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

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- 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

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- 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

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- 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 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

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
- Definition Amount of increase (decrease) in the standard product warranty accrual. Excludes extended product warranties. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 460 -SubTopic 10 -Section 50 -Paragraph 8 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=68068213&loc=d3e12565-110249 + Details
Name: | us-gaap_StandardProductWarrantyAccrualPeriodIncreaseDecrease
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | duration