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Note 13 - Reduction of Inventory to Fair Value (Details) (USD $) | 12 Months Ended | 36 Months Ended
--- | --- | ---
Oct. 31, 2014 | Oct. 31, 2013 | Oct. 31, 2012 | Oct. 31, 2014
Note 13 - Reduction of Inventory to Fair Value (Details) [Line Items] |  |  |  |  |
Number Of Communities Evaluated For Impairment | 396 hov_NumberOfCommunitiesEvaluatedForImpairment | 388 hov_NumberOfCommunitiesEvaluatedForImpairment |  |  | 396 hov_NumberOfCommunitiesEvaluatedForImpairment
Number of Communities Performed Detailed Impairment Calculations | 12 hov_NumberOfCommunitiesPerformedDetailedImpairmentCalculations | 33 hov_NumberOfCommunitiesPerformedDetailedImpairmentCalculations |  |  | 12 hov_NumberOfCommunitiesPerformedDetailedImpairmentCalculations
Carrying Value Of Communities Tested For Impairment (in Dollars) | 28,200,000 hov_CarryingValueOfCommunitiesTestedForImpairment | 85,000,000 hov_CarryingValueOfCommunitiesTestedForImpairment |  |  | 28,200,000 hov_CarryingValueOfCommunitiesTestedForImpairment
Number Of Communities Tested For Impairment For Which Undiscounted Future Cash Flow Only Exceeded Carrying Amount By Less Than 20% | 4 hov_NumberOfCommunitiesTestedForImpairmentForWhichUndiscountedFutureCashFlowOnlyExceededCarryingAmountByLessThan20Percent | 4 hov_NumberOfCommunitiesTestedForImpairmentForWhichUndiscountedFutureCashFlowOnlyExceededCarryingAmountByLessThan20Percent |  |  | 4 hov_NumberOfCommunitiesTestedForImpairmentForWhichUndiscountedFutureCashFlowOnlyExceededCarryingAmountByLessThan20Percent
Carrying Value Of Communities Tested For Impairment For Which Undiscounted Future Cash Flow Only Exceeded Carrying Amount By Less Than 20% (in Dollars) | 23,100,000 hov_CarryingValueOfCommunitiesTestedForImpairmentForWhichUndiscountedFutureCashFlowOnlyExceededCarryingAmountByLessThan20Percent | 4,500,000 hov_CarryingValueOfCommunitiesTestedForImpairmentForWhichUndiscountedFutureCashFlowOnlyExceededCarryingAmountByLessThan20Percent |  |  | 23,100,000 hov_CarryingValueOfCommunitiesTestedForImpairmentForWhichUndiscountedFutureCashFlowOnlyExceededCarryingAmountByLessThan20Percent
Percentage Undiscounted Cash Flow Exceeds Carrying Amount | 20.00%hov_PercentageUndiscountedCashFlowExceedsCarryingAmount | 20.00%hov_PercentageUndiscountedCashFlowExceedsCarryingAmount |  |  |
Impairment of Real Estate (in Dollars) | 1,200,000 us-gaap_ImpairmentOfRealEstate | 2,400,000 us-gaap_ImpairmentOfRealEstate |  | 9,800,000 us-gaap_ImpairmentOfRealEstate |
Land Option Write-offs (in Dollars) | 4,000,000 hov_LandOptionWriteOffs | 2,600,000 hov_LandOptionWriteOffs |  | 2,700,000 hov_LandOptionWriteOffs |
Fourth Quarter [Member] |  |  |  |  |
Note 13 - Reduction of Inventory to Fair Value (Details) [Line Items] |  |  |  |  |
Number of Communities Performed Detailed Impairment Calculations | 4 hov_NumberOfCommunitiesPerformedDetailedImpairmentCalculations / us-gaap_PublicUtilitiesInventoryAxis = hov_FourthQuarterMember | 8 hov_NumberOfCommunitiesPerformedDetailedImpairmentCalculations / us-gaap_PublicUtilitiesInventoryAxis = hov_FourthQuarterMember |  |  | 4 hov_NumberOfCommunitiesPerformedDetailedImpairmentCalculations / us-gaap_PublicUtilitiesInventoryAxis = hov_FourthQuarterMember
Carrying Value Of Communities Tested For Impairment (in Dollars) | 7,100,000 hov_CarryingValueOfCommunitiesTestedForImpairment / us-gaap_PublicUtilitiesInventoryAxis = hov_FourthQuarterMember | 21,800,000 hov_CarryingValueOfCommunitiesTestedForImpairment / us-gaap_PublicUtilitiesInventoryAxis = hov_FourthQuarterMember |  |  | 7,100,000 hov_CarryingValueOfCommunitiesTestedForImpairment / us-gaap_PublicUtilitiesInventoryAxis = hov_FourthQuarterMember
Homebuilding [Member] | Minimum [Member] | Real Estate Inventory [Member] |  |  |  |  |
Note 13 - Reduction of Inventory to Fair Value (Details) [Line Items] |  |  |  |  |
Fair Value Inputs, Discount Rate | 16.80%us-gaap_FairValueInputsDiscountRate / us-gaap_BalanceSheetLocationAxis = hov_RealEstateInventoryMember / us-gaap_RangeAxis = us-gaap_MinimumMember / us-gaap_StatementBusinessSegmentsAxis = hov_HomebuildingMember | 18.00%us-gaap_FairValueInputsDiscountRate / us-gaap_BalanceSheetLocationAxis = hov_RealEstateInventoryMember / us-gaap_RangeAxis = us-gaap_MinimumMember / us-gaap_StatementBusinessSegmentsAxis = hov_HomebuildingMember |  | 16.80%us-gaap_FairValueInputsDiscountRate / us-gaap_BalanceSheetLocationAxis = hov_RealEstateInventoryMember / us-gaap_RangeAxis = us-gaap_MinimumMember / us-gaap_StatementBusinessSegmentsAxis = hov_HomebuildingMember | 16.80%us-gaap_FairValueInputsDiscountRate / us-gaap_BalanceSheetLocationAxis = hov_RealEstateInventoryMember / us-gaap_RangeAxis = us-gaap_MinimumMember / us-gaap_StatementBusinessSegmentsAxis = hov_HomebuildingMember
Homebuilding [Member] | Maximum [Member] | Real Estate Inventory [Member] |  |  |  |  |
Note 13 - Reduction of Inventory to Fair Value (Details) [Line Items] |  |  |  |  |
Fair Value Inputs, Discount Rate | 17.30%us-gaap_FairValueInputsDiscountRate / us-gaap_BalanceSheetLocationAxis = hov_RealEstateInventoryMember / us-gaap_RangeAxis = us-gaap_MaximumMember / us-gaap_StatementBusinessSegmentsAxis = hov_HomebuildingMember | 19.30%us-gaap_FairValueInputsDiscountRate / us-gaap_BalanceSheetLocationAxis = hov_RealEstateInventoryMember / us-gaap_RangeAxis = us-gaap_MaximumMember / us-gaap_StatementBusinessSegmentsAxis = hov_HomebuildingMember |  | 18.50%us-gaap_FairValueInputsDiscountRate / us-gaap_BalanceSheetLocationAxis = hov_RealEstateInventoryMember / us-gaap_RangeAxis = us-gaap_MaximumMember / us-gaap_StatementBusinessSegmentsAxis = hov_HomebuildingMember | 19.30%us-gaap_FairValueInputsDiscountRate / us-gaap_BalanceSheetLocationAxis = hov_RealEstateInventoryMember / us-gaap_RangeAxis = us-gaap_MaximumMember / us-gaap_StatementBusinessSegmentsAxis = hov_HomebuildingMember
Homebuilding [Member] | Mid-Atlantic [Member] |  |  |  |  |
Note 13 - Reduction of Inventory to Fair Value (Details) [Line Items] |  |  |  |  |
Impairment of Real Estate (in Dollars) | 0 us-gaap_ImpairmentOfRealEstate / us-gaap_StatementBusinessSegmentsAxis = hov_HomebuildingMember / us-gaap_StatementGeographicalAxis = hov_MidAtlanticMember | 2,000 us-gaap_ImpairmentOfRealEstate / us-gaap_StatementBusinessSegmentsAxis = hov_HomebuildingMember / us-gaap_StatementGeographicalAxis = hov_MidAtlanticMember | [1] | 400,000 us-gaap_ImpairmentOfRealEstate / us-gaap_StatementBusinessSegmentsAxis = hov_HomebuildingMember / us-gaap_StatementGeographicalAxis = hov_MidAtlanticMember |
Land Option Write-offs (in Dollars) | 200,000 hov_LandOptionWriteOffs / us-gaap_StatementBusinessSegmentsAxis = hov_HomebuildingMember / us-gaap_StatementGeographicalAxis = hov_MidAtlanticMember | 100,000 hov_LandOptionWriteOffs / us-gaap_StatementBusinessSegmentsAxis = hov_HomebuildingMember / us-gaap_StatementGeographicalAxis = hov_MidAtlanticMember |  | 600,000 hov_LandOptionWriteOffs / us-gaap_StatementBusinessSegmentsAxis = hov_HomebuildingMember / us-gaap_StatementGeographicalAxis = hov_MidAtlanticMember |
Homebuilding [Member] | Southeast [Member] |  |  |  |  |
Note 13 - Reduction of Inventory to Fair Value (Details) [Line Items] |  |  |  |  |
Impairment of Real Estate (in Dollars) | 0 us-gaap_ImpairmentOfRealEstate / us-gaap_StatementBusinessSegmentsAxis = hov_HomebuildingMember / us-gaap_StatementGeographicalAxis = hov_SoutheastMember | 17,000 us-gaap_ImpairmentOfRealEstate / us-gaap_StatementBusinessSegmentsAxis = hov_HomebuildingMember / us-gaap_StatementGeographicalAxis = hov_SoutheastMember | [1] | 2,800,000 us-gaap_ImpairmentOfRealEstate / us-gaap_StatementBusinessSegmentsAxis = hov_HomebuildingMember / us-gaap_StatementGeographicalAxis = hov_SoutheastMember |
Land Option Write-offs (in Dollars) | 700,000 hov_LandOptionWriteOffs / us-gaap_StatementBusinessSegmentsAxis = hov_HomebuildingMember / us-gaap_StatementGeographicalAxis = hov_SoutheastMember | 200,000 hov_LandOptionWriteOffs / us-gaap_StatementBusinessSegmentsAxis = hov_HomebuildingMember / us-gaap_StatementGeographicalAxis = hov_SoutheastMember |  | 700,000 hov_LandOptionWriteOffs / us-gaap_StatementBusinessSegmentsAxis = hov_HomebuildingMember / us-gaap_StatementGeographicalAxis = hov_SoutheastMember |
Homebuilding [Member] |  |  |  |  |
Note 13 - Reduction of Inventory to Fair Value (Details) [Line Items] |  |  |  |  |
Impairment of Real Estate (in Dollars) | 1,200,000 us-gaap_ImpairmentOfRealEstate / us-gaap_StatementBusinessSegmentsAxis = hov_HomebuildingMember | 2,400,000 us-gaap_ImpairmentOfRealEstate / us-gaap_StatementBusinessSegmentsAxis = hov_HomebuildingMember | [1] | 9,800,000 us-gaap_ImpairmentOfRealEstate / us-gaap_StatementBusinessSegmentsAxis = hov_HomebuildingMember |
Land Option Write-offs (in Dollars) | 4,000,000 hov_LandOptionWriteOffs / us-gaap_StatementBusinessSegmentsAxis = hov_HomebuildingMember | 2,600,000 hov_LandOptionWriteOffs / us-gaap_StatementBusinessSegmentsAxis = hov_HomebuildingMember |  | 2,700,000 hov_LandOptionWriteOffs / us-gaap_StatementBusinessSegmentsAxis = hov_HomebuildingMember |
[1] | During the year ended October 31, 2013, the Mid-Atlantic had an impairment totaling $2 thousand and the Southeast had an impairmenttotaling $17 thousand.

X
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- Definition The aggregate carrying value of communities tested for impairment which had undiscounted future cash flow that only exceeded the carrying amount by less than 20%. + References No definition available. + Details
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- Definition Percentage by which undiscounted future cash flow for communities tested for impairment exceeds carrying value under which such carrying amounts are disclosed. + References No definition available. + Details
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