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Property and Equipment (Tables)
9 Months Ended
Sep. 30, 2012
Property and Equipment

Property and equipment consist of the following:

 

     As of
September 30,
2012
    As of
December 31,
2011
 

Land

   $ 9,550      $ 9,504   

Land improvements

     3,224        1,688   

Buildings

     166,646        118,445   

Equipment under capital leases

     5,310        5,310   

Leasehold improvements

     24,346        17,305   

Computer equipment

     54,136        46,993   

Furniture, fixtures and equipment

     21,115        13,366   

Internally developed software

     10,235        7,108   

Other

     1,098        1,098   

Construction in progress

     16,599        9,590   
  

 

 

   

 

 

 
     312,259        230,407   

Less accumulated depreciation and amortization

     (55,731     (40,460
  

 

 

   

 

 

 

Property and equipment, net

   $ 256,528      $ 189,947