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Note 12 - Reduction of Inventory to Fair Value (Details Textual) $ in Millions	12 Months Ended
	Oct. 31, 2024 USD ($) Item NUMBER	Oct. 31, 2023 USD ($) Item NUMBER	Oct. 31, 2022 USD ($) Item NUMBER
Real Estate [Line Items]
Impairment of Real Estate	$ 10.0		$ 8.4
Land Option Write Offs	$ 1.6	$ 1.5	$ 5.7
Home Building [Member]
Real Estate [Line Items]
Number of Communities Evaluated for Impairment | Item	469	380	374
Number of Communities Impaired | Item	4		1
Number of Communities Performed Detailed Impairment Calculations | NUMBER	4	1	1
Carrying Value of Communities Tested for Impairment	$ 41.1		$ 10.6
Impairment of Real Estate	10.0		8.4
Land Option Write Offs	$ 1.6	$ 1.5	$ 5.7

X

- Definition

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

+ References

No definition available.

+ Details

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Period Type:	duration

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

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

X

- 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

X

- Definition

Represents the number of communities with impairment losses.

+ References

No definition available.

+ Details

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Namespace Prefix:	hov_
Data Type:	xbrli:integerItemType
Balance Type:	na
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X

- Definition

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

+ References

No definition available.

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Namespace Prefix:	hov_
Data Type:	xbrli:integerItemType
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X

- 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

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X

- 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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