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Supplemental Cash Flow Information (Tables)
3 Months Ended
Mar. 31, 2013
Supplemental Cash Flow Information [Abstract]  
Net Cash Paid For Interest and Income Taxes
Net cash paid for interest and income taxes was as follows for the three-month periods ended March 31, 2013 and 2012 (in thousands):

 
 
Three Months Ended
 
 
 
March 31,
 
 
 
2013
  
2012
 
 
 
  
 
Interest (1)
 
$
54,558
  
$
33,504
 
Income Taxes, Net of Refunds Received
 
$
54,440
  
$
83,955
 

(1)Net of capitalized interest of $10 million and $12 million for the three months ended March 31, 2013 and 2012, respectively.