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Note 6 - Warranty Costs (Details) (USD $)
In Millions, unless otherwise specified
 3 Months Ended
Jan. 31, 2015
Jan. 31, 2014
Product Warranties Disclosures [Abstract]    
Cash Received From Subcontractors For Owner Controlled Insurance Program $ 0.6hov_CashReceivedFromSubcontractorsForOwnerControlledInsuranceProgram $ 0.4hov_CashReceivedFromSubcontractorsForOwnerControlledInsuranceProgram
General Liability Insurance, Deductible 20hov_GeneralLiabilityInsuranceDeductible 20hov_GeneralLiabilityInsuranceDeductible
Bodily Injury Insurance, Deductible 0.25hov_BodilyInjuryInsuranceDeductible 0.25hov_BodilyInjuryInsuranceDeductible
Bodily Injury Insurance, Limit 5hov_BodilyInjuryInsuranceLimit 5hov_BodilyInjuryInsuranceLimit
Aggregate Retention for Construction Defects, Warranty and Bodily Injury Claims 21hov_AggregateRetentionForConstructionDefectsWarrantyandBodilyInjuryClaims 21hov_AggregateRetentionForConstructionDefectsWarrantyandBodilyInjuryClaims
Payments by Insurance Companies for Claims $ 0.2hov_PaymentsByInsuranceCompaniesForClaims $ 2.9hov_PaymentsByInsuranceCompaniesForClaims