Note 5 - Variable Interest Entities (Details Textual) $ in Millions	Jul. 31, 2018 USD ($)
Deposits Associated with Land and Lot Options of Unconsolidated Variable Interest Entities	$ 57.3
Purchase Price Associated with Land and Lot Options of Unconsolidated Variable Interest Entities	$ 1,200.0

Cash and letter of credit deposits associated with land and lot options of unconsolidated variable interest entities.

No definition available.

Name:	hov_DepositsAssociatedWithLandAndLotOptionsOfUnconsolidatedVariableInterestEntities
Namespace Prefix:	hov_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant