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Note 20 - Assets Measured at Fair Value on a Nonrecurring Basis (Details) - USD ($)	3 Months Ended		9 Months Ended
	Jul. 31, 2016	Jul. 31, 2015	Jul. 31, 2016	Jul. 31, 2015
Land and Land Options Held for Future Development or Sale [Member] | Fair Value, Inputs, Level 3 [Member] | Fair Value, Measurements, Nonrecurring [Member]
Pre-Impairment Amount	$ 5,407,000		$ 6,576,000
Total Losses	(1,282,000)		(1,976,000)
Fair Value of Inventory	4,125,000		4,600,000
Sold and Unsold Homes and Lots Under Development [Member] | Fair Value, Inputs, Level 3 [Member] | Fair Value, Measurements, Nonrecurring [Member]
Pre-Impairment Amount			44,238,000	$ 16,756,000
Total Losses			(14,399,000)	(4,466,000)
Fair Value of Inventory			29,839,000	12,290,000
Fair Value, Inputs, Level 3 [Member] | Fair Value, Measurements, Nonrecurring [Member]
Fair Value of Inventory		$ 0
Pre-Impairment Amount	5,400,000		50,800,000	16,700,000
Total Losses	$ (1,300,000)	$ 0	$ (16,400,000)	$ (4,400,000)

X

- Definition

This element represents the fair value of inventory whose carrying value was adjusted to fair value during the period.

+ References

No definition available.

+ Details

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

X

- Definition

Book value of inventory prior to current period impairment charge.

+ References

No definition available.

+ Details

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

X

- Definition

The charge against earnings in the period to reduce the carrying amount of real property to fair value.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 360
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=64862545&loc=d3e2921-110230

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3602-108585

+ Details

Name:	us-gaap_ImpairmentOfRealEstate
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Details

Name:	us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis=hov_LandAndLandOptionsHeldForFutureDevelopmentOrSaleMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel3Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FairValueByMeasurementFrequencyAxis=us-gaap_FairValueMeasurementsNonrecurringMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis=hov_SoldAndUnsoldHomesAndLotsUnderDevelopmentMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: