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Commitments and Contingencies (Tables)
 6 Months Ended
May 31, 2012
Commitments and Contingencies and Legal Matters [Abstract]  
Changes in the Company warranty liability
                                 
    Six Months Ended May 31,     Three Months Ended May 31,  
    2012     2011     2012     2011  

Balance at beginning of period

   $ 67,693     $ 93,988     $ 64,607     $ 87,061  

Warranties issued

     2,973       1,981       1,656       1,133  

Payments

     (8,703 )      (14,471 )      (4,267 )      (6,662 ) 

Adjustments (a)

     (11,097 )      1,132       (11,130 )      1,098  
   

 

 

    

 

 

    

 

 

    

 

 

  

Balance at end of period

   $ 50,866     $ 82,630     $ 50,866     $ 82,630  
   

 

 

    

 

 

    

 

 

    

 

 

  

 

(a) The Company’s warranty adjustments for the three months and six months ended May 31, 2012 include $11.2 million of adjustments that were recorded to reflect the Company’s assessment of trends in its overall warranty claims experience on homes previously delivered.