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Inventory Impairments and Land Option Contract Abandonments (Tables)
6 Months Ended
May 31, 2012
Inventory Impairments and Land Option Contract Abandonments [Abstract]  
Summary of certain quantitative unobservable inputs utilized in determining the fair value of communities
         

Unobservable Input

 

Six Months Ended May 31, 2012

 

Three Months Ended May 31, 2012

Average selling price

  $115,200 - $498,000   $115,200 - $487,300

Deliveries per month

  1 - 6   1 - 6

Discount rate

  17% - 20%   17% - 20%