The aggregate carrying value of communities for which detailed impairment calculatons were performed.

No definition available.

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

- Definition

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

+ References

No definition available.

+ Details

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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

Name:	hov_LandOptionWriteOffs
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

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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

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

- Definition

Number of communities impaired.

+ References

No definition available.

+ Details

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

- Definition

Number of communities for which detailed impairment calculations were performed during the period.

+ References

No definition available.

+ Details

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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

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/2009/role/commonPracticeRef
-Topic 230
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 28
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482740/230-10-45-28

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 360
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482099/360-10-50-2

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
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

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

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Period Type:

- Details

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Namespace Prefix:
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Balance Type:
Period Type:

- Details

Name:	srt_StatementGeographicalAxis=hov_SoutheastWestMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis=hov_ModelSaleLeasebackFinancingArrangementsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis=hov_LandBankingArrangementMember
Namespace Prefix:
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Note 4 - Reduction of Inventory to Fair Value (Details Textual) $ in Millions	3 Months Ended		6 Months Ended
	Apr. 30, 2026 USD ($) Item Number	Apr. 30, 2025 USD ($) Number Item	Apr. 30, 2026 USD ($) Item Number	Apr. 30, 2025 USD ($) Item Number	Oct. 31, 2025 USD ($)
Real Estate [Line Items]
Impairment of Real Estate	$ 5.3	$ 1.2	$ 5.3	$ 1.2
Home Building [Member]
Real Estate [Line Items]
Number of Communities Evaluated for Impairment \| Item			416	482
Land Option Write Offs	$ 3.4	$ 1.9	$ 5.8	$ 2.9
Number of Walk Away Lots \| Item	2,015	2,463	2,750	4,897
Carrying Value of Communities Tested for Impairment	$ 32.5		$ 32.5
Number of Communities Performed Detailed Impairment Calculations \| Number	6	1	6	1
Home Building [Member] \| Northeast [Member]
Real Estate [Line Items]
Carrying Value of Communities Tested for Impairment		$ 5.4		$ 5.4
Impairment of Real Estate		$ 1.2		$ 1.2
Number of Communities impaired \| Number		1		1
Home Building [Member] \| Southeast and West [Member]
Real Estate [Line Items]
Carrying Value of Communities Tested for Impairment	$ 21.7		$ 21.7
Impairment of Real Estate	$ 5.3		$ 5.3
Number of Communities impaired \| Number	4		4
Home Building [Member] \| Model Sale Leaseback Financing Arrangements [Member]
Real Estate [Line Items]
Inventory Real Estate, Other Options	$ 73.0		$ 73.0		$ 74.3
Liabilities from Inventory Real Estate Not Owned	73.2		73.2		75.6
Home Building [Member] \| Land Banking Arrangement [Member]
Real Estate [Line Items]
Inventory Real Estate, Other Options	296.1		296.1		258.6
Liabilities from Inventory Real Estate Not Owned	$ 180.2		$ 180.2		$ 169.1