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Commitments And Contingencies (Tables)
12 Months Ended
Dec. 31, 2011
Commitments And Contingencies [Abstract]  
Future Minimum Lease Payments Due Under Non-Cancelable Portions Of Leases
(Dollars in thousands)       

2012

   $ 488,057   

2013

     426,975   

2014

     355,366   

2015

     282,308   

2016

     208,535   

Thereafter

     565,820   
  

 

 

 
     2,327,061   

Less sublease income

     54,270   
  

 

 

 

Total

   $ 2,272,791