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Other Assets (Tables)
9 Months Ended
Aug. 31, 2011
Other Assets [Abstract]  
Other Assets
                 
    August 31,     November 30,  
    2011     2010  
 
   
Operating properties (a)
  $     $ 71,938  
Cash surrender value of insurance contracts
    59,920       59,103  
Property and equipment, net
    8,028       9,596  
Debt issuance costs
    4,444       5,254  
Prepaid expenses
    4,838       3,033  
Deferred tax assets
    1,152       1,152  
 
           
 
               
Total
  $ 78,382     $ 150,076  
 
           
     
(a)  
On December 16, 2010, the Company sold a multi-level residential building the Company operated as a rental property for net proceeds of $80.6 million and recognized a gain of $8.8 million on the sale, which is recorded as a component of selling, general and administrative expenses in the consolidated statements of operations.