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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, 2019	Oct. 31, 2018	Oct. 31, 2017
Amount of write-offs	$ 3.6	$ 1.4	$ 2.7
Homebuilding [Member]
Amount of write-offs	3.6	1.4	2.7
Homebuilding [Member] | Northeast [Member]
Amount of write-offs	0.6	0.6	0.5
Homebuilding [Member] | Mid-Atlantic [Member]
Amount of write-offs	0.5	0.2	0.6
Homebuilding [Member] | Midwest [Member]
Amount of write-offs	0.9	0.1	0.3
Homebuilding [Member] | Southeast [Member]
Amount of write-offs	0.3		0.8
Homebuilding [Member] | Southwest [Member]
Amount of write-offs	0.6	0.2	0.4
Homebuilding [Member] | West [Member]
Amount of write-offs	$ 0.7	$ 0.3	$ 0.1

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

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

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- Details

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Period Type:

X

- Details

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X

- Details

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X

- Details

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- Details

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- Details

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X

- Details

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