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

No definition available.

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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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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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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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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 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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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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Data Type:	xbrli:stringItemType
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Period Type:	duration

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- Details

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Period Type:

- Details

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Period Type:

- Details

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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		9 Months Ended
	Jul. 31, 2025 USD ($) Number Item	Jul. 31, 2024 USD ($) Item Number	Jul. 31, 2025 USD ($) Item Number	Jul. 31, 2024 USD ($) Item Number	Oct. 31, 2024 USD ($)
Real Estate [Line Items]
Impairment of Real Estate	$ 7.6	$ 2.7	$ 8.8	$ 2.7
Home Building [Member]
Real Estate [Line Items]
Number of Communities Evaluated for Impairment \| Item			452	448
Impairment of Real Estate	7.6	2.7	$ 8.8	$ 2.7
Land Option Write Offs	$ 8.4	$ 0.4	$ 11.3	$ 0.9
Number of Walk Away Lots \| Item	4,059	1,277	8,956	2,547
Carrying Value of Communities Tested for Impairment	$ 35.9		$ 41.3	$ 15.2
Home Building [Member] \| Northeast [Member]
Real Estate [Line Items]
Number of Communities Performed Detailed Impairment Calculations \| Number	1		2
Home Building [Member] \| West [Member]
Real Estate [Line Items]
Number of Communities Performed Detailed Impairment Calculations \| Number	3	1	3	1
Home Building [Member] \| Model Sale Leaseback Financing Arrangements [Member]
Real Estate [Line Items]
Inventory Real Estate, Other Options	$ 65.9		$ 65.9		$ 46.1
Liabilities from Inventory Real Estate Not Owned	68.7		68.7		46.2
Home Building [Member] \| Land Banking Arrangement [Member]
Real Estate [Line Items]
Inventory Real Estate, Other Options	263.8		263.8		164.9
Liabilities from Inventory Real Estate Not Owned	$ 167.9		$ 167.9		$ 94.1