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Note 13 - Reduction of Inventory to Fair Value (Details) (USD $)
 12 Months Ended
Oct. 31, 2013
Oct. 31, 2012
Oct. 31, 2011
Note 13 - Reduction of Inventory to Fair Value (Details) [Line Items]      
Number Of Communities Evaluated For Impairment 388 331  
Number of Communities Performed Detailed Impairment Calculations 33 54  
Carrying Value Of Communities Tested For Impairment $ 85,000,000 $ 77,700,000  
Number Of Communities Tested For Impairment For Which Undiscounted Future Cash Flow Only Exceeded Carrying Amount By Less Than 20% 4 17  
Carrying Value Of Communities Tested For Impairment For Which Undiscounted Future Cash Flow Only Exceeded Carrying Amount By Less Than 20% 4,500,000 31,600,000  
Percentage Undiscounted Cash Flow Exceeds Carrying Amount 20.00% 20.00%  
Impairment of Real Estate 2,400,000 9,800,000 77,500,000
Land Option Write-offs 2,600,000 2,700,000 24,300,000
Homebuilding [Member] | Real Estate Inventory [Member] | Minimum [Member] | Fair Value, Measurements, Nonrecurring [Member]
      
Note 13 - Reduction of Inventory to Fair Value (Details) [Line Items]      
Fair Value Inputs, Discount Rate 18.00%    
Homebuilding [Member] | Real Estate Inventory [Member] | Maximum [Member] | Fair Value, Measurements, Nonrecurring [Member]
      
Note 13 - Reduction of Inventory to Fair Value (Details) [Line Items]      
Fair Value Inputs, Discount Rate 19.30%    
Homebuilding [Member] | Mid-Atlantic [Member]
      
Note 13 - Reduction of Inventory to Fair Value (Details) [Line Items]      
Impairment of Real Estate 2,000 [1] 400,000 [1] 3,400,000 [1]
Land Option Write-offs   600,000  
Homebuilding [Member] | Southeast [Member]
      
Note 13 - Reduction of Inventory to Fair Value (Details) [Line Items]      
Impairment of Real Estate 17,000 [1] 2,800,000 [1] 1,500,000 [1]
Land Option Write-offs   700,000  
Homebuilding [Member]
      
Note 13 - Reduction of Inventory to Fair Value (Details) [Line Items]      
Impairment of Real Estate 2,400,000 [1] 9,800,000 [1] 77,500,000 [1]
Land Option Write-offs   2,700,000  
Fourth Quarter [Member]
      
Note 13 - Reduction of Inventory to Fair Value (Details) [Line Items]      
Number of Communities Performed Detailed Impairment Calculations 8 31  
Carrying Value Of Communities Tested For Impairment $ 21,800,000 $ 47,400,000  
Minimum [Member]
      
Note 13 - Reduction of Inventory to Fair Value (Details) [Line Items]      
Fair Value Inputs, Discount Rate 16.80%    
Maximum [Member]
      
Note 13 - Reduction of Inventory to Fair Value (Details) [Line Items]      
Fair Value Inputs, Discount Rate 19.80%    
[1] During year ended October 31, 2013, the Mid-Atlantic had an impairment totaling $2 thousand and the Southeast had an impairment totaling $17 thousand.