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Long-Term Debt And Notes Payable (Tables)
12 Months Ended
Dec. 31, 2011
Long-Term Debt And Notes Payable [Abstract]  
Components Of Debt
(in thousands) December 31,    2011      2010  

Long-term debt consists of:

                 

5.50% notes due 2013

   $ 199,753       $ 199,608   

6.55% notes due 2036

     199,161         199,128   

Total Long-term debt

   $ 398,914       $ 398,736   

Short-term borrowings

   $ 1,112       $ 984   
Capitalization Of Long-Term Debt
(in thousands)    As of December 31,
2011
 

Short-term borrowings

   $ 1,112   

Long-term debt

     398,914   

Total indebtedness

   $ 400,026   

Total indebtedness

   $ 400,026   

Total shareholders' equity

     813,553   

Capitalization

   $ 1,213,579   

Total indebtedness to capitalization

     33%