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Note 4 - Reduction of Inventory to Fair Value (Details Textual) - Homebuilding [Member] $ in Thousands	3 Months Ended		6 Months Ended
	Apr. 30, 2023 USD ($)	Apr. 30, 2022 USD ($)	Apr. 30, 2023 USD ($)	Apr. 30, 2022 USD ($)	Oct. 31, 2022 USD ($)
Number of Communities Evaluated for Impairment			359	392
Impairment of Real Estate			$ 0	$ 0
Land Option Write Offs	$ 100	$ 600	$ 600	$ 700
Number of Walk Away Lots	215	713	2,397	1,133
Liabilities from Inventory Real Estate Not Owned	$ 200,299		$ 200,299		$ 202,492
Model Sale Leaseback Financing Arrangements [Member]
Inventory Real Estate, Other Options	56,900		56,900		48,500
Liabilities from Inventory Real Estate Not Owned	57,300		57,300		51,200
Land Banking Arrangement [Member]
Inventory Real Estate, Other Options	243,900		243,900		260,100
Liabilities from Inventory Real Estate Not Owned	$ 143,000		$ 143,000		$ 151,300

X

- Definition

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

+ References

No definition available.

+ Details

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

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

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

X

- 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

X

- 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

X

- 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

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

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

X

- Details

Name:	us-gaap_StatementBusinessSegmentsAxis=hov_HomebuildingMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

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

X

- Details

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