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Note 4 - Leases (Details Textual) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Oct. 31, 2016 | Oct. 31, 2015 | Oct. 31, 2014
Operating Leases, Rent Expense | $ 12.8 | $ 11.6 | $ 11.6
Minimum [Member] |  |  |
Lessee Leasing Arrangements, Operating Leases, Term of Contract | 3 years |  |
Minimum [Member] | Model Homes [Member] |  |  |
Lessee Leasing Arrangements, Operating Leases, Term of Contract | 1 year |  |
Maximum [Member] |  |  |
Lessee Leasing Arrangements, Operating Leases, Term of Contract | 5 years |  |
Maximum [Member] | Model Homes [Member] |  |  |
Lessee Leasing Arrangements, Operating Leases, Term of Contract | 3 years |  |

X
- Definition Amount of rent expense incurred for leased assets, including but not limited to, furniture and equipment, that is not directly or indirectly associated with the manufacture, sale or creation of a product or product line. + References No definition available. + Details
Name: | us-gaap_LeaseAndRentalExpense
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Term of the lessee's leasing arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
Name: | us-gaap_LesseeLeasingArrangementsOperatingLeasesTermOfContract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_RangeAxis=us-gaap_MinimumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis=hov_ModelHomesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RangeAxis=us-gaap_MaximumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |