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Note 12 - Reduction of Inventory to Fair Value - Write-offs and Lots Walked Away From (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Oct. 31, 2022 | Oct. 31, 2021 | Oct. 31, 2020
Amount of write-offs | $ 5.7 | $ 1.6 | $ 6.8
Homebuilding [Member] |  |  |
Amount of write-offs | 5.7 | 1.6 | 6.8
Homebuilding [Member] | Northeast [Member] |  |  |
Amount of write-offs | 0.4 | 0.3 | 5.0
Homebuilding [Member] | Southeast [Member] |  |  |
Amount of write-offs | 0.9 | 0.2 | 0.8
Homebuilding [Member] | West [Member] |  |  |
Amount of write-offs | $ 4.4 | $ 1.1 | $ 1.0

X
- Definition The charge against earnings in the period to write off costs associated with land options that were terminated. + References No definition available. + Details
Name: | hov_LandOptionWriteOffs
Namespace Prefix: | hov_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=hov_HomebuildingMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_StatementGeographicalAxis=hov_NortheastMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_StatementGeographicalAxis=hov_SoutheastMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_StatementGeographicalAxis=hov_WestMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |