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LONG-TERM DEBT (Tables)
12 Months Ended
Dec. 31, 2012
2010 Notes
 
LONG-TERM DEBT  
Individual series of issued Notes
  • The following are the individual series' of the 2010 Notes:

   
      Principal   Interest Rate   Maturity Date  
   
Series A   $ 115,000   6.13%   7/4/2017  

Series B     360,000   6.67%   7/4/2020  

Series C     125,000   6.77%   7/4/2022  

    $ 600,000          

2012 Notes
 
LONG-TERM DEBT  
Individual series of issued Notes
  • The following are the individual series' of the 2012 Notes:

   
      Principal   Interest Rate   Maturity Date  
   
Series A   $ 100,000   4.87%   7/23/2022  

Series B     100,000   5.02%   7/23/2024  

    $ 200,000