Note 4 - Reduction of Inventory to Fair Value (Details Textual) - Home Building [Member] $ in Millions	3 Months Ended
Jan. 31, 2026 USD ($) Item	Jan. 31, 2025 USD ($) Item	Oct. 31, 2025 USD ($)
Real Estate [Line Items]
Number of Communities Evaluated for Impairment \| Item	431	477
Land Option Write Offs	$ 2.4	$ 1.0
Number of Walk Away Lots \| Item	735	2,434
Model Sale Leaseback Financing Arrangements [Member]
Real Estate [Line Items]
Inventory Real Estate, Other Options	$ 77.4		$ 74.3
Liabilities from Inventory Real Estate Not Owned	78.6		75.6
Land Banking Arrangement [Member]
Real Estate [Line Items]
Inventory Real Estate, Other Options	246.8		258.6
Liabilities from Inventory Real Estate Not Owned	$ 157.3		$ 169.1

Inventory not owned required to be recorded as a financing in accordance with current accounting standards.

No definition available.

Name:	hov_InventoryRealEstateOtherOptions
Namespace Prefix:	hov_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

The charge against earnings in the period to write off costs associated with land options that were terminated.

+ References

No definition available.

+ Details

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Namespace Prefix:	hov_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Includes the liabilities for the inventory for which we do not have title related to the remaining exercise price of land and lot option purchases contracts; variable interest entities when we are the primary beneficiary; and model sale leaseback financing arrangements.

+ References

No definition available.

+ Details

Name:	hov_LiabilitiesFromInventoryRealEstateNotOwned
Namespace Prefix:	hov_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Number of communities evaluated for impairment during the period

+ References

No definition available.

+ Details

Name:	hov_NumberOfCommunitiesEvaluatedForImpairment
Namespace Prefix:	hov_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Definition

The number of lots under option that the Company walked-away from during the period.

+ References

No definition available.

+ Details

Name:	hov_NumberOfWalkAwayLots
Namespace Prefix:	hov_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 976
-SubTopic 310
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147477332/976-310-50-1

+ Details

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Balance Type:	na
Period Type:	duration

- Details

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Namespace Prefix:
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- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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