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Note 5 (Detail) - Write-Offs and Lots Walked Away From (USD $)
In Thousands, unless otherwise specified
 3 Months Ended
Jan. 31, 2013
Jan. 31, 2012
Number of Walk-Away Lots 185 358
Write-Offs $ 79 [1] $ 200
Northeast [Member]
    
Write-Offs 29 [1]  
Mid-Atlantic [Member]
    
Number of Walk-Away Lots 140 179
Write-Offs 6 [1] 100
Midwest [Member]
    
Number of Walk-Away Lots   38
Write-Offs    [1]  
Southeast [Member]
    
Number of Walk-Away Lots   141
Write-Offs 19 [1] 100
Southwest [Member]
    
Number of Walk-Away Lots 45  
Write-Offs 11 [1]  
West [Member]
    
Write-Offs $ 14 [1]  
[1] During the three months ended January 31, 2013 there were write-offs of $79 thousand. The write-offs were in the Northeast $29 thousand, in the Mid-Atlantic $6 thousand, in the Southeast $19 thousand, in the Southwest $11 thousand, and in the West $14 thousand.