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Interest, net
 6 Months Ended
Feb. 29, 2012
Interest, net [Abstract]  
Interest, net

Note 6.    Interest, net

 

                                 
    For the Three Months Ended     For the Six Months Ended  
    February 29,
2012		     February 28,
2011		     February 29,
2012		     February 28,
2011		  

Interest expense

   $ 22,187     $ 20,258     $ 45,494     $ 39,155  

Interest — purchase of NCRA noncontrolling interests

     15,856       —       15,856       —  

Capitalized interest

     (1,903 )      (1,296 )      (3,709 )      (2,692 ) 

Interest income

     (1,509 )      (594 )      (2,203 )      (1,004 ) 
   

 

 

    

 

 

    

 

 

    

 

 

  

Interest, net

   $ 34,631     $ 18,368     $ 55,438     $ 35,459