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Note 20 - Fair Value of Financial Instruments (Details) (USD $) | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Apr. 30, 2015 | Apr. 30, 2014 | Apr. 30, 2015 | Apr. 30, 2014 | Oct. 31, 2014
Note 20 - Fair Value of Financial Instruments (Details) [Line Items] |  |  |  |  |
Loans Held for Sale, Mortgages, Unpaid Principal | $ 100,900,000 hov_LoansHeldForSaleMortgagesUnpaidPrincipal |  | $ 100,900,000 hov_LoansHeldForSaleMortgagesUnpaidPrincipal |  | $ 91,200,000 hov_LoansHeldForSaleMortgagesUnpaidPrincipal
Other Commitment | 19,500,000 us-gaap_OtherCommitment |  | 19,500,000 us-gaap_OtherCommitment |  |
Impairment of Real Estate | 3,500,000 us-gaap_ImpairmentOfRealEstate | 100,000 us-gaap_ImpairmentOfRealEstate | 4,400,000 us-gaap_ImpairmentOfRealEstate | 100,000 us-gaap_ImpairmentOfRealEstate |
Loan Origination Commitments [Member] | Maximum [Member] |  |  |  |  |
Note 20 - Fair Value of Financial Instruments (Details) [Line Items] |  |  |  |  |
Number of Days in Commitment |  |  | 60 days |  |
Loan Origination Commitments [Member] |  |  |  |  |
Note 20 - Fair Value of Financial Instruments (Details) [Line Items] |  |  |  |  |
Loan Applications in Process | 630,600,000 hov_LoanApplicationsInProcess / us-gaap_FinancialInstrumentAxis = us-gaap_LoanOriginationCommitmentsMember |  | 630,600,000 hov_LoanApplicationsInProcess / us-gaap_FinancialInstrumentAxis = us-gaap_LoanOriginationCommitmentsMember |  |
Interest Rate Committed [Member] |  |  |  |  |
Note 20 - Fair Value of Financial Instruments (Details) [Line Items] |  |  |  |  |
Interest Rate Committed Loan Applications | 53,900,000 hov_InterestRateCommittedLoanApplications / us-gaap_FinancialInstrumentAxis = hov_InterestRateCommittedMember |  | 53,900,000 hov_InterestRateCommittedLoanApplications / us-gaap_FinancialInstrumentAxis = hov_InterestRateCommittedMember |  |
Unsecured Senior Notes Excluding Senior Amortizing Notes And Senior Exchangeable Notes [Member] | Fair Value, Inputs, Level 2 [Member] |  |  |  |  |
Note 20 - Fair Value of Financial Instruments (Details) [Line Items] |  |  |  |  |
Notes Payable, Fair Value Disclosure | 701,100,000 us-gaap_NotesPayableFairValueDisclosure / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel2Member / us-gaap_LongtermDebtTypeAxis = hov_UnsecuredSeniorNotesExcludingSeniorAmortizingNotesAndSeniorExchangeableNotesMember |  | 701,100,000 us-gaap_NotesPayableFairValueDisclosure / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel2Member / us-gaap_LongtermDebtTypeAxis = hov_UnsecuredSeniorNotesExcludingSeniorAmortizingNotesAndSeniorExchangeableNotesMember |  | 464,400,000 us-gaap_NotesPayableFairValueDisclosure / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel2Member / us-gaap_LongtermDebtTypeAxis = hov_UnsecuredSeniorNotesExcludingSeniorAmortizingNotesAndSeniorExchangeableNotesMember
The 7.0% 2019 Notes [Member] | Fair Value, Inputs, Level 3 [Member] |  |  |  |  |
Note 20 - Fair Value of Financial Instruments (Details) [Line Items] |  |  |  |  |
Notes Payable, Fair Value Disclosure | 143,300,000 us-gaap_NotesPayableFairValueDisclosure / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel3Member / us-gaap_LongtermDebtTypeAxis = hov_The702019NotesMember |  | 143,300,000 us-gaap_NotesPayableFairValueDisclosure / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel3Member / us-gaap_LongtermDebtTypeAxis = hov_The702019NotesMember |  | 148,200,000 us-gaap_NotesPayableFairValueDisclosure / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel3Member / us-gaap_LongtermDebtTypeAxis = hov_The702019NotesMember
Senior Secured Notes [Member] | Fair Value, Inputs, Level 3 [Member] |  |  |  |  |
Note 20 - Fair Value of Financial Instruments (Details) [Line Items] |  |  |  |  |
Notes Payable, Fair Value Disclosure | 993,000,000 us-gaap_NotesPayableFairValueDisclosure / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel3Member / us-gaap_LongtermDebtTypeAxis = hov_SeniorSecuredNotesMember |  | 993,000,000 us-gaap_NotesPayableFairValueDisclosure / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel3Member / us-gaap_LongtermDebtTypeAxis = hov_SeniorSecuredNotesMember |  | 1,000,000,000 us-gaap_NotesPayableFairValueDisclosure / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel3Member / us-gaap_LongtermDebtTypeAxis = hov_SeniorSecuredNotesMember
Senior Amortizing Notes [Member] | Fair Value, Inputs, Level 3 [Member] |  |  |  |  |
Note 20 - Fair Value of Financial Instruments (Details) [Line Items] |  |  |  |  |
Notes Payable, Fair Value Disclosure | 15,000,000 us-gaap_NotesPayableFairValueDisclosure / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel3Member / us-gaap_LongtermDebtTypeAxis = hov_SeniorAmortizingNotesMember |  | 15,000,000 us-gaap_NotesPayableFairValueDisclosure / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel3Member / us-gaap_LongtermDebtTypeAxis = hov_SeniorAmortizingNotesMember |  | 17,000,000 us-gaap_NotesPayableFairValueDisclosure / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel3Member / us-gaap_LongtermDebtTypeAxis = hov_SeniorAmortizingNotesMember
Senior Exchangeable Notes [Member] | Fair Value, Inputs, Level 3 [Member] |  |  |  |  |
Note 20 - Fair Value of Financial Instruments (Details) [Line Items] |  |  |  |  |
Notes Payable, Fair Value Disclosure | $ 77,800,000 us-gaap_NotesPayableFairValueDisclosure / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel3Member / us-gaap_LongtermDebtTypeAxis = hov_SeniorExchangeableNotesMember |  | $ 77,800,000 us-gaap_NotesPayableFairValueDisclosure / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel3Member / us-gaap_LongtermDebtTypeAxis = hov_SeniorExchangeableNotesMember |  | $ 79,600,000 us-gaap_NotesPayableFairValueDisclosure / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel3Member / us-gaap_LongtermDebtTypeAxis = hov_SeniorExchangeableNotesMember

X
- Definition Value of loan applications in process with committed interest rates at the end of the period. + References No definition available. + Details
Name: | hov_InterestRateCommittedLoanApplications
Namespace Prefix: | hov_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Value of loan applications in process at the end of the period. + References No definition available. + Details
Name: | hov_LoanApplicationsInProcess
Namespace Prefix: | hov_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Mortgage loans held for sale unpaid principal. + References No definition available. + Details
Name: | hov_LoansHeldForSaleMortgagesUnpaidPrincipal
Namespace Prefix: | hov_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
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Namespace Prefix: | hov_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The number of days for which loans are committed. + References No definition available. + Details
Name: | hov_NumberOfDaysInCommittment
Namespace Prefix: | hov_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition The charge against earnings in the period to reduce the carrying amount of real property to fair value. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3602-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=51719941&loc=d3e2921-110230 + Details
Name: | us-gaap_ImpairmentOfRealEstate
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Fair value portion of notes payable. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19,20,22) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_NotesPayableFairValueDisclosure
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Minimum amount of other commitment not otherwise specified in the taxonomy. Excludes commitments explicitly modeled in the taxonomy, including but not limited to, long-term and short-term purchase commitments, recorded and unrecorded purchase obligations, supply commitments, registration payment arrangements, leases, debt, product warranties, guarantees, environmental remediation obligations, and pensions. + References No definition available. + Details
Name: | us-gaap_OtherCommitment
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=hov_InterestRateCommittedMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=us-gaap_LoanOriginationCommitmentsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LongtermDebtTypeAxis=hov_SeniorAmortizingNotesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LongtermDebtTypeAxis=hov_SeniorExchangeableNotesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LongtermDebtTypeAxis=hov_SeniorSecuredNotesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LongtermDebtTypeAxis=hov_The702019NotesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LongtermDebtTypeAxis=hov_UnsecuredSeniorNotesExcludingSeniorAmortizingNotesAndSeniorExchangeableNotesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |