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Note 12 - Reduction of Inventory to Fair Value - Inventory Impairments by Homebuilding Segment (Details) $ in Millions		12 Months Ended
		Oct. 31, 2024 USD ($) Item	Oct. 31, 2022 USD ($) Item
Real Estate [Line Items]
Dollar amount of impairment		$ 10.0	$ 8.4
Home Building [Member]
Real Estate [Line Items]
Number of communities | Item		4	1
Dollar amount of impairment		$ 10.0	$ 8.4
Pre-impairment value	[1]	$ 41.0	$ 10.6
Home Building [Member] | Northeast [Member]
Real Estate [Line Items]
Number of communities | Item		2	0
Dollar amount of impairment		$ 4.8	$ 0.0
Pre-impairment value	[1]	$ 16.0	$ 0.0
Home Building [Member] | Southeast [Member]
Real Estate [Line Items]
Number of communities | Item		0	0
Dollar amount of impairment		$ 0.0	$ 0.0
Pre-impairment value	[1]	$ 0.0	$ 0.0
Home Building [Member] | West [Member]
Real Estate [Line Items]
Number of communities | Item		2	1
Dollar amount of impairment		$ 5.2	$ 8.4
Pre-impairment value	[1]	$ 25.0	$ 10.6
[1] Represents carrying value, net of prior period impairments, if any, at the time of recording the applicable period’s impairments.

X

- Definition

Represents the number of communities with impairment losses.

+ References

No definition available.

+ Details

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

X

- Definition

Book value of inventory prior to current period impairment charge.

+ References

No definition available.

+ Details

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

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

+ Details

Name:	us-gaap_ImpairmentOfRealEstate
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

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

+ Details

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

X

- Details

Name:	us-gaap_StatementBusinessSegmentsAxis=hov_HomeBuildingSegmentMember
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: