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Note 5 - Reduction of Inventory to Fair Value (Details) (USD $)
 3 Months Ended
Jan. 31, 2014
Jan. 31, 2013
Oct. 31, 2013
Note 5 - Reduction of Inventory to Fair Value (Details) [Line Items]      
Number Of Communities Evaluated For Impairment 377    
Number of Communities Performed Detailed Impairment Calculations 4    
Carrying Value Of Communities Tested For Impairment $ 17,200,000    
Number Of Communities Tested For Impairment For Which Undiscounted Future Cash Flow Only Exceeded Carrying Amount By Less Than 20% 2    
Carrying Value Of Communities Tested For Impairment For Which Undiscounted Future Cash Flow Only Exceeded Carrying Amount By Less Than 20% 16,200,000    
Percentage Undiscounted Cash Flow Exceeds Carrying Amount 20.00%    
Impairment of Real Estate 0 587,000  
Land Option Write-offs 700,000 79,000  
Number of Communities Mothballed 50    
Inventory, Real Estate, Mothballed Communities 116,300,000    
Inventory, Real Estate, Mothballed Communities, Accumulated Impairment Charges 431,300,000    
Liabilities From Inventory Real Estate Not Owned 2,500,000    
Homebuilding [Member] | Lots [Member]
      
Note 5 - Reduction of Inventory to Fair Value (Details) [Line Items]      
Inventory Real Estate Specific Permance Options 2,700,000    
Homebuilding [Member] | Model Homes [Member]
      
Note 5 - Reduction of Inventory to Fair Value (Details) [Line Items]      
Liabilities From Inventory Real Estate Not Owned 50,600,000    
Inventory Real Estate Other Options 52,600,000    
Homebuilding [Member] | Land Parcels [Member]
      
Note 5 - Reduction of Inventory to Fair Value (Details) [Line Items]      
Liabilities From Inventory Real Estate Not Owned 33,300,000    
Inventory Real Estate Other Options 43,300,000    
Homebuilding [Member] | Real Estate Inventory [Member] | Minimum [Member] | Fair Value, Measurements, Nonrecurring [Member]
      
Note 5 - Reduction of Inventory to Fair Value (Details) [Line Items]      
Fair Value Inputs, Discount Rate   18.80%  
Homebuilding [Member] | Northeast [Member]
      
Note 5 - Reduction of Inventory to Fair Value (Details) [Line Items]      
Impairment of Real Estate 600,000 [1] 568,000  
Land Option Write-offs 400,000 [2]    [3]  
Homebuilding [Member] | Mid-Atlantic [Member]
      
Note 5 - Reduction of Inventory to Fair Value (Details) [Line Items]      
Impairment of Real Estate   2,000  
Land Option Write-offs 100,000 [2]    [3]  
Homebuilding [Member] | Southeast [Member]
      
Note 5 - Reduction of Inventory to Fair Value (Details) [Line Items]      
Impairment of Real Estate   17,000  
Land Option Write-offs 100,000 [2]    [3]  
Homebuilding [Member] | Midwest [Member]
      
Note 5 - Reduction of Inventory to Fair Value (Details) [Line Items]      
Land Option Write-offs    [2]    [3]  
Homebuilding [Member]
      
Note 5 - Reduction of Inventory to Fair Value (Details) [Line Items]      
Impairment of Real Estate 600,000 [1]    
Land Option Write-offs 700,000 [2] 100,000 [3]  
Inventory Real Estate Specific Permance Options 2,737,000   792,000 [4]
Liabilities From Inventory Real Estate Not Owned 86,436,000   87,866,000 [4]
Inventory Real Estate Other Options 95,859,000   100,071,000 [4]
Mid-Atlantic [Member]
      
Note 5 - Reduction of Inventory to Fair Value (Details) [Line Items]      
Land Option Write-offs   6,000  
Southeast [Member]
      
Note 5 - Reduction of Inventory to Fair Value (Details) [Line Items]      
Land Option Write-offs   19,000  
Southwest [Member]
      
Note 5 - Reduction of Inventory to Fair Value (Details) [Line Items]      
Land Option Write-offs   11,000  
West [Member]
      
Note 5 - Reduction of Inventory to Fair Value (Details) [Line Items]      
Land Option Write-offs   14,000  
Northeast [Member]
      
Note 5 - Reduction of Inventory to Fair Value (Details) [Line Items]      
Land Option Write-offs   29,000  
Midwest [Member]
      
Note 5 - Reduction of Inventory to Fair Value (Details) [Line Items]      
Land Option Write-offs $ 21,000    
[1] During the three months ended January 31, 2013, total impairments were $587 thousand. The impairments were in the Northeast totaling $568 thousand, in the Mid-Atlantic totaling $2 thousand and in the Southeast totaling $17 thousand.
[2] During the three months ended January 31, 2014, there were write-offs in the Midwest totaling $21 thousand.
[3] During the three months ended January 31, 2013 there were write-offs totaling $79 thousand. The write-offs were in the Northeast totaling $29 thousand, in the Mid-Atlantic totaling $6 thousand, in the Southeast totaling $19 thousand, in the Southwest totaling $11 thousand and in the West totaling $14 thousand.
[4] Derived from the audited balance sheet as of October 31, 2013.