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Note 2 - Business (Details) | 12 Months Ended
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Oct. 31, 2014 | Oct. 31, 2013 | Oct. 31, 2012
Note 2 - Business (Details) [Line Items] |  |  |
Number of Communities | 201 hov_NumberOfCommunities |  |
Homebuilding [Member] | Sales Revenue, Net [Member] | Segment Concentration Risk [Member] |  |  |
Note 2 - Business (Details) [Line Items] |  |  |
Concentration Risk, Percentage | 98.00%us-gaap_ConcentrationRiskPercentage1 / us-gaap_ConcentrationRiskByBenchmarkAxis = us-gaap_SalesRevenueNetMember / us-gaap_ConcentrationRiskByTypeAxis = hov_SegmentConcentrationRiskMember / us-gaap_StatementBusinessSegmentsAxis = hov_HomebuildingMember | 97.00%us-gaap_ConcentrationRiskPercentage1 / us-gaap_ConcentrationRiskByBenchmarkAxis = us-gaap_SalesRevenueNetMember / us-gaap_ConcentrationRiskByTypeAxis = hov_SegmentConcentrationRiskMember / us-gaap_StatementBusinessSegmentsAxis = hov_HomebuildingMember | 97.00%us-gaap_ConcentrationRiskPercentage1 / us-gaap_ConcentrationRiskByBenchmarkAxis = us-gaap_SalesRevenueNetMember / us-gaap_ConcentrationRiskByTypeAxis = hov_SegmentConcentrationRiskMember / us-gaap_StatementBusinessSegmentsAxis = hov_HomebuildingMember
Homebuilding [Member] |  |  |
Note 2 - Business (Details) [Line Items] |  |  |
Number of Reportable Segments | 6 us-gaap_NumberOfReportableSegments / us-gaap_StatementBusinessSegmentsAxis = hov_HomebuildingMember |  |

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- Definition Number of new home communities in which the company is currently building and selling homes + References No definition available. + Details
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- Definition For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 21 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=35750535&loc=d3e13537-108611 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 275 -SubTopic 10 -Section 50 -Paragraph 20 -URI http://asc.fasb.org/extlink&oid=6927468&loc=d3e6404-108592 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 20 -URI http://asc.fasb.org/extlink&oid=35750535&loc=d3e13531-108611 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 275 -SubTopic 10 -Section 50 -Paragraph 18 -URI http://asc.fasb.org/extlink&oid=6927468&loc=d3e6351-108592 + Details
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