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Note 16 - Warranty Costs (Details Textual) - USD ($) $ in Millions	12 Months Ended
	Oct. 31, 2023	Oct. 31, 2022
Increase (Decrease) In Construction Defect Reserves	$ 10.1
Payments by Insurance Companies for Claims	0.2	$ 0.2
Owner-Controlled Insurance Program for Subcontractors [Member]
Proceeds from Insurance Premiums Collected	$ 4.3	$ 6.0

X

- Definition

Represents the aggregate increase or decrease during the reporting period in the reserves for construction defects based on annual actuarial estimate.

+ References

No definition available.

+ Details

Name:	hov_IncreaseDecreaseInConstructionDefectReserves
Namespace Prefix:	hov_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Definition

Insurance claims paid by our insurance carriers, excluding insurance deductibles paid.

+ References

No definition available.

+ Details

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

X

- Definition

Cash received as payments for insurance premiums during the current period.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 25
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482740/230-10-45-25

+ Details

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

X

- Details

Name:	srt_ProductOrServiceAxis=hov_OwnercontrolledInsuranceProgramForSubcontractorsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: