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Note 23 - Financial Information of Subsidiary Issuer and Subsidiary Guarantors (Details) (USD $) | 12 Months Ended |  |  |  |  |  |  |  |  |  |  |  |  |
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Oct. 31, 2013 | Feb. 09, 2011 | Oct. 31, 2013 Subsidiary Issuer [Member] Senior Secured Notes [Member] | Oct. 31, 2013 Subsidiary Issuer [Member] Unsecured Senior Notes Excluding Senior Amortizing Notes And Senior Exchangeable Notes [Member] | Oct. 31, 2013 Subsidiary Issuer [Member] Senior Amortizing Notes [Member] | Oct. 31, 2013 Subsidiary Issuer [Member] Senior Exchangeable Notes [Member] | Oct. 31, 2013 Subsidiary Issuer [Member] Senior Subordinated Amortizing Notes [Member] | Oct. 31, 2013 Senior Secured Notes [Member] | Oct. 31, 2012 Senior Secured Notes [Member] | Oct. 31, 2013 Unsecured Senior Notes Excluding Senior Amortizing Notes And Senior Exchangeable Notes [Member] | Oct. 31, 2012 Unsecured Senior Notes Excluding Senior Amortizing Notes And Senior Exchangeable Notes [Member] | Oct. 31, 2011 Unsecured Senior Notes Excluding Senior Amortizing Notes And Senior Exchangeable Notes [Member] | Oct. 31, 2013 Senior Amortizing Notes [Member] | Oct. 31, 2012 Senior Amortizing Notes [Member] | Oct. 31, 2013 Senior Exchangeable Notes [Member] | Oct. 31, 2012 Senior Exchangeable Notes [Member] | Oct. 31, 2013 Senior Subordinated Amortizing Notes [Member] | Oct. 31, 2012 Senior Subordinated Amortizing Notes [Member] | Oct. 31, 2013 Tangible Equity Units [Member]
Note 23 - Financial Information of Subsidiary Issuer and Subsidiary Guarantors (Details) [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Tangible Equity Units, Rate | 7.25% | 7.25% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 7.25%
Number of Wholly Owned Subsidiaries | 1 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Face Amount |  |  | $ 992,000,000 | $ 462,600,000 | $ 20,900,000 | $ 66,600,000 | $ 2,200,000 |  |  |  |  | $ 195,000,000 |  |  |  |  |  |  |
Senior Notes |  |  | $ 978,600,000 | $ 461,200,000 |  |  |  | $ 978,611,000 | $ 977,369,000 | $ 461,210,000 | $ 458,736,000 |  | $ 20,857,000 | $ 23,149,000 | $ 66,615,000 | $ 76,851,000 | $ 2,152,000 | $ 6,091,000 |
Exchangeable Note Unit Rate Stated Percentage | 6.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Direct Or Indirect Ownership In Guarantor Subsidiaries Percentage | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |

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- Definition Percentage of direct or indirect ownership of the guarantor subsidiaries of the parent. + References No definition available. + Details
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- Definition Exchangeable Note Unit Rate Stated Percentage + References No definition available. + Details
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- Details
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- Definition Number of wholly owned subsidiaries of Hovnanian Enterprises, Inc. that acts as a finance entity. + References No definition available. + Details
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- Definition Interest rate stated on the company's Tangible Equity Units. + References No definition available. + Details
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- Definition Face (par) amount of debt instrument at time of issuance. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6451184&loc=d3e28551-108399 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 55 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=6584090&loc=d3e28878-108400 + Details
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- Definition Including the current and noncurrent portions, carrying value as of the balance sheet date of Notes with the highest claim on the assets of the issuer in case of bankruptcy or liquidation (with maturities initially due after one year or beyond the operating cycle if longer). Senior note holders are paid off in full before any payments are made to junior note holders. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.16) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03.16(a)) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 16 -Article 9 + Details
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