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Senior Notes (Tables)
6 Months Ended
Jun. 30, 2012
Schedule Of Carrying Amount Of Senior Notes
     June 30,
2012
     December 31,
2011
 
     (Dollars in thousands)  

5.375% Senior Notes due 2014

   $ 249,528       $ 249,438   

5.375% Senior Notes due 2015

     249,876         249,857   

5.625% Senior Notes due 2020

     245,066         244,813   
  

 

 

    

 

 

 

Total

   $   744,470       $ 744,108