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Note 7 (Detail) (USD $)	1 Months Ended		1 Months Ended
	Oct. 31, 2012	Dec. 14, 2011	Feb. 28, 2013 Subsequent Event [Member]
Loss Contingency Fine Assessed	$ 120,000		$ 130,000
Potential Class, Number of Homes		1,065

X

- Definition

The value (monetary amount) of the penalties assessed related to violations from the U.S. Environmental Protection Agency.

+ References

No definition available.

+ Details

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

X

- Definition

Number of homes in the potential class related to class action law suit filed against Hovnanian Enterprises, Inc. and K. Hovnanian Venture I, L.L.C.

+ References

No definition available.

+ Details

Name:	hov_PotentialClassNumberOfHomes
Namespace Prefix:	hov_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant