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Note 12 - Reduction of Inventory to Fair Value - Write-offs and Lots Walked Away From (Details) - USD ($) $ in Millions	12 Months Ended
	Oct. 31, 2022	Oct. 31, 2021	Oct. 31, 2020
Amount of write-offs	$ 5.7	$ 1.6	$ 6.8
Homebuilding [Member]
Amount of write-offs	5.7	1.6	6.8
Homebuilding [Member] | Northeast [Member]
Amount of write-offs	0.4	0.3	5.0
Homebuilding [Member] | Southeast [Member]
Amount of write-offs	0.9	0.2	0.8
Homebuilding [Member] | West [Member]
Amount of write-offs	$ 4.4	$ 1.1	$ 1.0

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

- Details

Name:	us-gaap_StatementBusinessSegmentsAxis=hov_HomebuildingMember
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: