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Note 21 - Financial Information of Subsidiary Issuer and Subsidiary Guarantors (Details) (USD $)	Jan. 31, 2015	Jan. 31, 2014	Oct. 31, 2014
Note 21 - Financial Information of Subsidiary Issuer and Subsidiary Guarantors (Details) [Line Items]
Number of Wholly Owned Subsidiaries	1hov_NumberOfWhollyOwnedSubsidiaries
Exchangeable Note Unit Rate Stated Percentage	6.00%hov_ExchangeableNoteUnitRateStatedPercentage	6.00%hov_ExchangeableNoteUnitRateStatedPercentage
Direct or Indirect Ownership in Guarantor Subsidiaries Percentage	100.00%hov_DirectOrIndirectOwnershipInGuarantorSubsidiariesPercentage
Senior Secured Notes [Member] | Subsidiary Issuer [Member]
Note 21 - Financial Information of Subsidiary Issuer and Subsidiary Guarantors (Details) [Line Items]
Debt Instrument, Face Amount	992,000,000us-gaap_DebtInstrumentFaceAmount / dei_LegalEntityAxis = us-gaap_SubsidiaryIssuerMember / us-gaap_LongtermDebtTypeAxis = hov_SeniorSecuredNotesMember
Senior Notes	980,300,000us-gaap_SeniorNotes / dei_LegalEntityAxis = us-gaap_SubsidiaryIssuerMember / us-gaap_LongtermDebtTypeAxis = hov_SeniorSecuredNotesMember
Senior Secured Notes [Member]
Note 21 - Financial Information of Subsidiary Issuer and Subsidiary Guarantors (Details) [Line Items]
Senior Notes	980,282,000us-gaap_SeniorNotes / us-gaap_LongtermDebtTypeAxis = hov_SeniorSecuredNotesMember		979,935,000us-gaap_SeniorNotes / us-gaap_LongtermDebtTypeAxis = hov_SeniorSecuredNotesMember	[1]
Unsecured Senior Notes Excluding Senior Amortizing Notes And Senior Exchangeable Notes [Member] | Subsidiary Issuer [Member]
Note 21 - Financial Information of Subsidiary Issuer and Subsidiary Guarantors (Details) [Line Items]
Debt Instrument, Face Amount	841,100,000us-gaap_DebtInstrumentFaceAmount / dei_LegalEntityAxis = us-gaap_SubsidiaryIssuerMember / us-gaap_LongtermDebtTypeAxis = hov_UnsecuredSeniorNotesExcludingSeniorAmortizingNotesAndSeniorExchangeableNotesMember
Senior Notes	840,700,000us-gaap_SeniorNotes / dei_LegalEntityAxis = us-gaap_SubsidiaryIssuerMember / us-gaap_LongtermDebtTypeAxis = hov_UnsecuredSeniorNotesExcludingSeniorAmortizingNotesAndSeniorExchangeableNotesMember
Unsecured Senior Notes Excluding Senior Amortizing Notes And Senior Exchangeable Notes [Member]
Note 21 - Financial Information of Subsidiary Issuer and Subsidiary Guarantors (Details) [Line Items]
Senior Notes	840,657,000us-gaap_SeniorNotes / us-gaap_LongtermDebtTypeAxis = hov_UnsecuredSeniorNotesExcludingSeniorAmortizingNotesAndSeniorExchangeableNotesMember		590,472,000us-gaap_SeniorNotes / us-gaap_LongtermDebtTypeAxis = hov_UnsecuredSeniorNotesExcludingSeniorAmortizingNotesAndSeniorExchangeableNotesMember	[1]
Senior Amortizing Notes [Member] | Subsidiary Issuer [Member]
Note 21 - Financial Information of Subsidiary Issuer and Subsidiary Guarantors (Details) [Line Items]
Debt Instrument, Face Amount	15,000,000us-gaap_DebtInstrumentFaceAmount / dei_LegalEntityAxis = us-gaap_SubsidiaryIssuerMember / us-gaap_LongtermDebtTypeAxis = hov_SeniorAmortizingNotesMember
Senior Amortizing Notes [Member]
Note 21 - Financial Information of Subsidiary Issuer and Subsidiary Guarantors (Details) [Line Items]
Senior Notes	14,987,000us-gaap_SeniorNotes / us-gaap_LongtermDebtTypeAxis = hov_SeniorAmortizingNotesMember		17,049,000us-gaap_SeniorNotes / us-gaap_LongtermDebtTypeAxis = hov_SeniorAmortizingNotesMember	[1]
Senior Exchangeable Notes [Member] | Subsidiary Issuer [Member]
Note 21 - Financial Information of Subsidiary Issuer and Subsidiary Guarantors (Details) [Line Items]
Debt Instrument, Face Amount	71,000,000us-gaap_DebtInstrumentFaceAmount / dei_LegalEntityAxis = us-gaap_SubsidiaryIssuerMember / us-gaap_LongtermDebtTypeAxis = hov_SeniorExchangeableNotesMember
Senior Exchangeable Notes [Member]
Note 21 - Financial Information of Subsidiary Issuer and Subsidiary Guarantors (Details) [Line Items]
Senior Notes	71,003,000us-gaap_SeniorNotes / us-gaap_LongtermDebtTypeAxis = hov_SeniorExchangeableNotesMember		$ 70,101,000us-gaap_SeniorNotes / us-gaap_LongtermDebtTypeAxis = hov_SeniorExchangeableNotesMember	[1]
[1] Derived from the audited balance sheet as of October 31, 2014.

X

- Definition

Percentage of direct or indirect ownership of the guarantor subsidiaries of the parent.

+ References

No definition available.

+ Details

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X

- Definition

Exchangeable Note Unit Rate Stated Percentage

+ References

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X

- Definition

Number of wholly owned subsidiaries of Hovnanian Enterprises, Inc. that acts as a finance entity.

+ References

No definition available.

+ Details

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X

- Definition

Face (par) amount of debt instrument at time of issuance.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 835

-SubTopic 30

-Section 45

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=6451184&loc=d3e28551-108399



Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 835

-SubTopic 30

-Section 55

-Paragraph 8

-URI http://asc.fasb.org/extlink&oid=34725769&loc=d3e28878-108400

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X

- Definition

Including the current and noncurrent portions, carrying value as of the balance sheet date of Notes with the highest claim on the assets of the issuer in case of bankruptcy or liquidation (with maturities initially due after one year or beyond the operating cycle if longer). Senior note holders are paid off in full before any payments are made to junior note holders.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 942

-SubTopic 210

-Section S99

-Paragraph 1

-Subparagraph (SX 210.9-03.16)

-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878



Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 944

-SubTopic 210

-Section S99

-Paragraph 1

-Subparagraph (SX 210.7-03.16(a))

-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910



Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 16

-Article 9

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