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Note 5 (Detail) - Inventory Impairments by Homebuilding Segment (USD $)
In Thousands, unless otherwise specified
 3 Months Ended
Jan. 31, 2013
Jan. 31, 2012
Number of Communities 3 11
Impairment $ 587 [1] $ 3,100
Pre- Impairment Value 3,400 [2] 18,700 [2]
Northeast [Member]
    
Number of Communities 1 5
Impairment 568 [1] 2,400
Pre- Impairment Value 2,900 [2] 16,100 [2]
Mid-Atlantic [Member]
    
Number of Communities 1 2
Impairment 2 [1] 300
Pre- Impairment Value 100 [2] 600 [2]
Midwest [Member]
    
Number of Communities   1
Impairment    [1] 100
Pre- Impairment Value    [2] 1,100 [2]
Southeast [Member]
    
Number of Communities 1 3
Impairment 17 [1] 300
Pre- Impairment Value 400 [2] 900 [2]
Southwest [Member]
    
Impairment    [1]  
Pre- Impairment Value    [2]    [2]
West [Member]
    
Impairment    [1]  
Pre- Impairment Value    [2]    [2]
[1] Represents carrying value, net of prior period impairments, if any, at the time of recording the applicable period's impairments.
[2] During the three months ended January 31, 2013, there were impairments of $587 thousand. The impairments were in the Northeast $568 thousand, in the Mid-Atlantic $2 thousand and in the Southeast $17 thousand.