<?xml version="1.0" encoding="utf-8"?>
<FilingSummary xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema">
  <Version>2.4.0.6</Version>
  <ProcessingTime />
  <ReportFormat>Html</ReportFormat>
  <ContextCount>42</ContextCount>
  <ElementCount>143</ElementCount>
  <EntityCount>1</EntityCount>
  <FootnotesReported>false</FootnotesReported>
  <SegmentCount>14</SegmentCount>
  <ScenarioCount>0</ScenarioCount>
  <TuplesReported>false</TuplesReported>
  <UnitCount>3</UnitCount>
  <MyReports>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R1.htm</HtmlFileName>
      <LongName>000 - Disclosure - Document And Entity Information</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.khov.com/role/DocumentAndEntityInformation</Role>
      <ShortName>Document And Entity Information</ShortName>
    </Report>
    <Report>
      <IsDefault>true</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R2.htm</HtmlFileName>
      <LongName>001 - Statement - Condensed Consolidated Balance Sheets (Current Period Unaudited)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.khov.com/role/ConsolidatedBalanceSheet</Role>
      <ShortName>Condensed Consolidated Balance Sheets (Current Period Unaudited)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R3.htm</HtmlFileName>
      <LongName>002 - Statement - Condensed Consolidated Balance Sheets (Current Period Unaudited) (Parentheticals)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.khov.com/role/ConsolidatedBalanceSheet_Parentheticals</Role>
      <ShortName>Condensed Consolidated Balance Sheets (Current Period Unaudited) (Parentheticals)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R4.htm</HtmlFileName>
      <LongName>003 - Statement - Condensed Consolidated Statements of Operations (Unaudited)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.khov.com/role/ConsolidatedIncomeStatement</Role>
      <ShortName>Condensed Consolidated Statements of Operations (Unaudited)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R5.htm</HtmlFileName>
      <LongName>004 - Statement - Condensed Consolidated Statement of Equity (Unaudited)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.khov.com/role/ShareholdersEquityType2or3</Role>
      <ShortName>Condensed Consolidated Statement of Equity (Unaudited)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R6.htm</HtmlFileName>
      <LongName>005 - Statement - Condensed Consolidated Statements of Cash Flows (Unaudited)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.khov.com/role/ConsolidatedCashFlow</Role>
      <ShortName>Condensed Consolidated Statements of Cash Flows (Unaudited)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R7.htm</HtmlFileName>
      <LongName>006 - Statement - Condensed Consolidated Statements of Cash Flows (Unaudited) (Parentheticals)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.khov.com/role/ConsolidatedCashFlow_Parentheticals</Role>
      <ShortName>Condensed Consolidated Statements of Cash Flows (Unaudited) (Parentheticals)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R8.htm</HtmlFileName>
      <LongName>007 - Disclosure - Note 1</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.khov.com/role/Note</Role>
      <ShortName>Note 1</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R9.htm</HtmlFileName>
      <LongName>008 - Disclosure - Note 2</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.khov.com/role/Note0</Role>
      <ShortName>Note 2</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R10.htm</HtmlFileName>
      <LongName>009 - Disclosure - Note 3</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.khov.com/role/Note00</Role>
      <ShortName>Note 3</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R11.htm</HtmlFileName>
      <LongName>010 - Disclosure - Note 4</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.khov.com/role/Note000</Role>
      <ShortName>Note 4</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R12.htm</HtmlFileName>
      <LongName>011 - Disclosure - Note 5</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.khov.com/role/Note0000</Role>
      <ShortName>Note 5</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R13.htm</HtmlFileName>
      <LongName>012 - Disclosure - Note 6</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.khov.com/role/Note00000</Role>
      <ShortName>Note 6</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R14.htm</HtmlFileName>
      <LongName>013 - Disclosure - Note 7</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.khov.com/role/Note000000</Role>
      <ShortName>Note 7</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R15.htm</HtmlFileName>
      <LongName>014 - Disclosure - Note 8</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.khov.com/role/Note0000000</Role>
      <ShortName>Note 8</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R16.htm</HtmlFileName>
      <LongName>015 - Disclosure - Note 9</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.khov.com/role/Note00000000</Role>
      <ShortName>Note 9</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R17.htm</HtmlFileName>
      <LongName>016 - Disclosure - Note 10</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.khov.com/role/Note000000000</Role>
      <ShortName>Note 10</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R18.htm</HtmlFileName>
      <LongName>017 - Disclosure - Note 11</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.khov.com/role/Note0000000000</Role>
      <ShortName>Note 11</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R19.htm</HtmlFileName>
      <LongName>018 - Disclosure - Note 12</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.khov.com/role/Note00000000000</Role>
      <ShortName>Note 12</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R20.htm</HtmlFileName>
      <LongName>019 - Disclosure - Note 13</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.khov.com/role/Note000000000000</Role>
      <ShortName>Note 13</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R21.htm</HtmlFileName>
      <LongName>020 - Disclosure - Note 14</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.khov.com/role/Note0000000000000</Role>
      <ShortName>Note 14</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R22.htm</HtmlFileName>
      <LongName>021 - Disclosure - Note 15</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.khov.com/role/Note00000000000000</Role>
      <ShortName>Note 15</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R23.htm</HtmlFileName>
      <LongName>022 - Disclosure - Note 16</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.khov.com/role/Note000000000000000</Role>
      <ShortName>Note 16</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R24.htm</HtmlFileName>
      <LongName>023 - Disclosure - Note 17</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.khov.com/role/Note0000000000000000</Role>
      <ShortName>Note 17</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R25.htm</HtmlFileName>
      <LongName>024 - Disclosure - Note 18</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.khov.com/role/Note00000000000000000</Role>
      <ShortName>Note 18</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R26.htm</HtmlFileName>
      <LongName>025 - Disclosure - Note 19</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.khov.com/role/Note000000000000000000</Role>
      <ShortName>Note 19</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R27.htm</HtmlFileName>
      <LongName>026 - Disclosure - Note 20</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.khov.com/role/Note0000000000000000000</Role>
      <ShortName>Note 20</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R28.htm</HtmlFileName>
      <LongName>027 - Disclosure - Note 21</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.khov.com/role/Note00000000000000000000</Role>
      <ShortName>Note 21</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R29.htm</HtmlFileName>
      <LongName>028 - Disclosure - Note 22</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.khov.com/role/Note000000000000000000000</Role>
      <ShortName>Note 22</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R30.htm</HtmlFileName>
      <LongName>029 - Disclosure - Note 23</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.khov.com/role/Note0000000000000000000000</Role>
      <ShortName>Note 23</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <LongName>All Reports</LongName>
      <ReportType>Book</ReportType>
      <ShortName>All Reports</ShortName>
    </Report>
  </MyReports>
  <Logs>
    <Log type="Info">Process Flow-Through: 001 - Statement - Condensed Consolidated Balance Sheets (Current Period Unaudited)</Log>
    <Log type="Info">	Process Flow-Through: Removing column 'Jan. 31, 2011'</Log>
    <Log type="Info">	Process Flow-Through: Removing column 'Oct. 31, 2010'</Log>
    <Log type="Info">Process Flow-Through: 002 - Statement - Condensed Consolidated Balance Sheets (Current Period Unaudited) (Parentheticals)</Log>
    <Log type="Info">Process Flow-Through: 003 - Statement - Condensed Consolidated Statements of Operations (Unaudited)</Log>
    <Log type="Info">Process Flow-Through: 005 - Statement - Condensed Consolidated Statements of Cash Flows (Unaudited)</Log>
    <Log type="Info">Process Flow-Through: 006 - Statement - Condensed Consolidated Statements of Cash Flows (Unaudited) (Parentheticals)</Log>
  </Logs>
  <InputFiles>
    <File>hov-20120131.xml</File>
    <File>hov-20120131.xsd</File>
    <File>hov-20120131_cal.xml</File>
    <File>hov-20120131_def.xml</File>
    <File>hov-20120131_lab.xml</File>
    <File>hov-20120131_pre.xml</File>
  </InputFiles>
  <SupplementalFiles />
  <BaseTaxonomies />
  <HasPresentationLinkbase>true</HasPresentationLinkbase>
  <HasCalculationLinkbase>true</HasCalculationLinkbase>
</FilingSummary>
