XML 85 R1.htm IDEA: XBRL DOCUMENT v2.4.1.9
Document And Entity Information (USD $)
12 Months Ended
Oct. 31, 2014
Apr. 30, 2014
Dec. 15, 2014
Document Information [Line Items]      
Entity Registrant Name HOVNANIAN ENTERPRISES INC    
Document Type 10-K    
Current Fiscal Year End Date --10-31    
Entity Public Float   $ 531,159,828dei_EntityPublicFloat  
Amendment Flag false    
Entity Central Index Key 0000357294    
Entity Current Reporting Status Yes    
Entity Voluntary Filers No    
Entity Filer Category Accelerated Filer    
Entity Well-known Seasoned Issuer No    
Document Period End Date Oct. 31, 2014    
Document Fiscal Year Focus 2014    
Document Fiscal Period Focus FY    
Common Class A [Member]      
Document Information [Line Items]      
Entity Common Stock, Shares Outstanding     131,075,900dei_EntityCommonStockSharesOutstanding
/ us-gaap_StatementClassOfStockAxis
= us-gaap_CommonClassAMember
Common Class B [Member]      
Document Information [Line Items]      
Entity Common Stock, Shares Outstanding     14,805,695dei_EntityCommonStockSharesOutstanding
/ us-gaap_StatementClassOfStockAxis
= us-gaap_CommonClassBMember