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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, 2017	Oct. 31, 2016	Oct. 31, 2015
Amount of write-offs	$ 2.7	$ 8.9	$ 4.7
Homebuilding [Member]
Amount of write-offs	2.7	8.9	4.7
Homebuilding [Member] | Northeast [Member]
Amount of write-offs	0.5	1.6	0.9
Homebuilding [Member] | Mid-Atlantic [Member]
Amount of write-offs	0.6	0.8	0.2
Homebuilding [Member] | Midwest [Member]
Amount of write-offs	0.3	1.3	0.6
Homebuilding [Member] | Southeast [Member]
Amount of write-offs	0.8	1.8	1.3
Homebuilding [Member] | Southwest [Member]
Amount of write-offs	0.4	3.2	1.4
Homebuilding [Member] | West [Member]
Amount of write-offs	$ 0.1	$ 0.2	$ 0.3

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

X

- Details

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X

- Details

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X

- Details

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X

- Details

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X

- Details

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- Details

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X

- Details

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