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Long-Term Debt (Tables)
6 Months Ended
Jun. 30, 2012
Long-Term Debt [Abstract]  
Long-Term Debt
The activity in our long-term debt from December 31, 2011 to June 30, 2012 is summarized as follows:
 
 
 
 
 
 
Six months ended
 
 
 
 
 
 
 
 
 
 
 
 
June 30, 2012
 
 
 
 
 
Interest
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Rate* at
 
 
December 31,
 
 
 
 
 
New
 
 
June 30,
 
 
June 30,
 
($ in thousands)
 
2011
 
 
Payments
 
 
Borrowings
 
 
2012
 
 
2012
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Rural Utilities Service Loan Contracts
 
$
10,197
 
 
$
(687
)
 
$
-
 
 
$
9,510
 
 
 
6.15
%
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
  Senior Unsecured Debt
 
 
8,325,774
 
 
 
(536,281
)
 
 
500,000
 
 
 
8,289,493
 
 
 
7.90
%
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Industrial Development Revenue Bonds
 
 
13,550
 
 
 
-
 
 
 
-
 
 
 
13,550
 
 
 
6.33
%
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
TOTAL LONG-TERM DEBT
 
$
8,349,521
 
 
$
(536,968
)
 
$
500,000
 
 
$
8,312,553
 
 
 
7.90
%
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
  Less: Debt Discount
 
 
(49,664
)
 
 
 
 
 
 
 
 
 
 
(25,461
)
 
 
 
 
  Less: Current Portion
 
 
(94,016
)
 
 
 
 
 
 
 
 
 
 
(616,575
)
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
$
8,205,841
 
 
 
 
 
 
 
 
 
 
$
7,670,517
 
 
 
 
 
 
* Interest rate includes amortization of debt issuance costs and debt premiums or discounts.  The interest rates at June 30, 2012 represent a weighted average of multiple issuances.
Senior Unsecured Debt
Additional information regarding our Senior Unsecured Debt is as follows:

   
June 30, 2012
  
December 31, 2011
 
   
Principal
  
Interest
  
Principal
  
Interest
 
($ in thousands)
 
Outstanding
  
Rate
  
Outstanding
  
Rate
 
              
Senior Notes:
            
  Due 1/15/2013
 $522,693   6.250% $580,724   6.250%
  Due 5/1/2014
  200,000   8.250%  600,000   8.250%
  Due 3/15/2015
  300,000   6.625%  300,000   6.625%
  Due 4/15/2015
  450,500   7.875%  500,000   7.875%
  Due 10/14/2016 *
  546,250  
3.115% (Variable)
   575,000  
3.175% (Variable)
 
  Due 4/15/2017
  1,100,000   8.250%  1,100,000   8.250%
  Due 10/1/2018
  600,000   8.125%  600,000   8.125%
  Due 3/15/2019
  434,000   7.125%  434,000   7.125%
  Due 4/15/2020
  1,100,000   8.500%  1,100,000   8.500%
  Due 7/1/2021
  500,000   9.250%  -   - 
  Due 4/15/2022
  500,000   8.750%  500,000   8.750%
  Due 1/15/2027
  345,858   7.875%  345,858   7.875%
  Due 2/15/2028
  200,000   6.730%  200,000   6.730%
  Due 10/15/2029
  50,000   8.400%  50,000   8.400%
  Due 8/15/2031
  945,325   9.000%  945,325   9.000%
    7,794,626       7,830,907     
Debentures:
                
  Due 11/1/2025
  138,000   7.000%  138,000   7.000%
  Due 8/15/2026
  1,739   6.800%  1,739   6.800%
  Due 10/1/2034
  628   7.680%  628   7.680%
  Due 7/1/2035
  125,000   7.450%  125,000   7.450%
  Due 10/1/2046
  193,500   7.050%  193,500   7.050%
    458,867       458,867     
Subsidiary Senior
                
   Notes due 12/1/2012
  36,000   8.050%  36,000   8.050%
Total
 $8,289,493   7.90% $8,325,774   7.93%
 
Debt maturities by year
Our principal payments for the next five years are as follows as of June 30, 2012:
 
   
Principal
 
($ in thousands)
 
Payments
 
    
   
2012 (remaining six months)
 $64,939 
2013
 $580,585 
2014
 $257,916 
2015
 $808,442 
2016
 $345,466 
2017
 $1,100,501