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Note 9 - Leases (Details Textual) $ in Millions	3 Months Ended
	Jan. 31, 2021 USD ($)
Increase (Decrease) in Operating Lease, Right-of-Use Asset	$ 1.7
Increase (Decrease) in Operating Lease, Liability	$ 1.7
Minimum [Member] | Office Leases [Member]
Lessee, Operating Lease, Term of Contract (Year)	3 years
Maximum [Member] | Office Leases [Member]
Lessee, Operating Lease, Term of Contract (Year)	5 years

X

- Definition

The increase (decrease) during the reporting period in lessee's discounted obligation for lease payments from operating lease.

+ References

No definition available.

+ Details

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

X

- Definition

The increase (decrease) during the reporting period in lessee's right to use underlying asset under operating lease.

+ References

No definition available.

+ Details

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

X

- Definition

Term of lessee's operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 50
-Paragraph 3
-Subparagraph (a)(3)
-URI http://asc.fasb.org/extlink&oid=121609121&loc=SL77918673-209980

+ Details

Name:	us-gaap_LesseeOperatingLeaseTermOfContract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	instant

X

- Details

Name:	srt_RangeAxis=srt_MinimumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_LeaseContractualTermAxis=hov_OfficeLeasesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_RangeAxis=srt_MaximumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: