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Note 13 - Reduction of Inventory to Fair Value (Details) - Inventory Impairments by Homebuilding Segment (USD $)
In Thousands, unless otherwise specified
 12 Months Ended
Oct. 31, 2013
Oct. 31, 2012
Oct. 31, 2011
Note 13 - Reduction of Inventory to Fair Value (Details) - Inventory Impairments by Homebuilding Segment [Line Items]      
Dollar Amount of Impairment $ 2,400 $ 9,800 $ 77,500
Homebuilding [Member] | Northeast [Member]
      
Note 13 - Reduction of Inventory to Fair Value (Details) - Inventory Impairments by Homebuilding Segment [Line Items]      
Number of Communities 4 10 11
Dollar Amount of Impairment 2,400 [1] 2,800 [1] 54,900 [1]
Pre-Impairment Value 7,700 [2] 19,600 [2] 179,900 [2]
Homebuilding [Member] | Mid-Atlantic [Member]
      
Note 13 - Reduction of Inventory to Fair Value (Details) - Inventory Impairments by Homebuilding Segment [Line Items]      
Number of Communities 1 3 5
Dollar Amount of Impairment 2 [1] 400 [1] 3,400 [1]
Pre-Impairment Value 100 [2] 800 [2] 17,300 [2]
Homebuilding [Member] | Midwest [Member]
      
Note 13 - Reduction of Inventory to Fair Value (Details) - Inventory Impairments by Homebuilding Segment [Line Items]      
Number of Communities   2 7
Dollar Amount of Impairment    [1] 1,600 [1] 1,100 [1]
Pre-Impairment Value    [2] 4,500 [2] 4,200 [2]
Homebuilding [Member] | Southeast [Member]
      
Note 13 - Reduction of Inventory to Fair Value (Details) - Inventory Impairments by Homebuilding Segment [Line Items]      
Number of Communities 1 12 11
Dollar Amount of Impairment 17 [1] 2,800 [1] 1,500 [1]
Pre-Impairment Value 400 [2] 8,300 [2] 5,100 [2]
Homebuilding [Member] | Southwest [Member]
      
Note 13 - Reduction of Inventory to Fair Value (Details) - Inventory Impairments by Homebuilding Segment [Line Items]      
Number of Communities     1
Dollar Amount of Impairment    [1]    [1] 100 [1]
Pre-Impairment Value    [2]    [2] 300 [2]
Homebuilding [Member] | West [Member]
      
Note 13 - Reduction of Inventory to Fair Value (Details) - Inventory Impairments by Homebuilding Segment [Line Items]      
Number of Communities   5 6
Dollar Amount of Impairment    [1] 2,200 [1] 16,500 [1]
Pre-Impairment Value    [2] 4,900 [2] 45,200 [2]
Homebuilding [Member]
      
Note 13 - Reduction of Inventory to Fair Value (Details) - Inventory Impairments by Homebuilding Segment [Line Items]      
Number of Communities 6 32 41
Dollar Amount of Impairment 2,400 [1] 9,800 [1] 77,500 [1]
Pre-Impairment Value $ 8,200 [2] $ 38,100 [2] $ 252,000 [2]
[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.
[2] Represents carrying value, net of prior period impairments, if any, at the time of recording the applicable period's impairments.