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Note 18 - Commitments and Contingent Liabilities (Details) - USD ($) $ in Millions		12 Months Ended
	May. 15, 2014	Oct. 31, 2015	Oct. 31, 2014	Oct. 31, 2006
Note 18 - Commitments and Contingent Liabilities (Details) [Line Items]
Aggregate Retention for Construction Defects, Warranty and Bodily Injury Claims		$ 21.0	$ 21.0	$ 21.0
Aggregate Retention for Construction Defects Warranty and Bodily Injury Claims Amount Exceeded				$ 30.0
DAndrea VHovnanian [Member]
Note 18 - Commitments and Contingent Liabilities (Details) [Line Items]
Litigation Settlement, Amount	$ (21.0)	$ (21.0)

X

- Definition

Aggregate annual retention for construction defect, warranty and bodily injury claims.

+ References

No definition available.

+ Details

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X

- Definition

The amount exceeded for the aggregate annual retention for construction defect, warranty and bodily injury claims.

+ References

No definition available.

+ Details

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X

- References

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X

- Definition

Amount of judgment or settlement awarded to (against) the entity in respect of litigation.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
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X

- Details

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