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Property and Equipment (Tables)
12 Months Ended
Dec. 31, 2012
Property and Equipment [Abstract]  
Property and Equipment
                 
    2012     2011  
    (in thousands)  

Land and land interests

  $ 26,124     $ 18,134  

Buildings and leasehold improvements

    137,293       109,077  

Equipment and other

    310,448       310,186  
   

 

 

   

 

 

 
      473,865       437,397  

Accumulated depreciation

    (276,567     (263,584
   

 

 

   

 

 

 

Property and equipment, net

  $ 197,298     $ 173,813