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Property And Equipment (Tables)
12 Months Ended
Dec. 31, 2011
Property And Equipment [Abstract]  
Property And Equipment
     December 31,  
     2011     2010  

Land and improvements

   $ 119,721      $ 112,137   

Buildings and improvements

     2,958,578        2,874,388   

Equipment and software

     303,286        279,155   

Office furniture and fixtures

     30,309        29,937   

Construction in progress

     99,408        52,240   
  

 

 

   

 

 

 
     3,511,302        3,347,857   

Less: Accumulated depreciation

     (902,384     (798,562
  

 

 

   

 

 

 
   $ 2,608,918      $ 2,549,295   
  

 

 

   

 

 

 
Schedule Of Future Minimum Lease Payments

2012

   $ 6,122   

2013

     6,142   

2014

     6,162   

2015

     4,794   

2016

     2,112   

Thereafter

     26,188