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Supplemental Cash Flow Information (Tables)
6 Months Ended
Jun. 30, 2011
Notes To Financial Statements [Abstract]  
Net Cash Paid For Interest and Income Taxes
Net cash paid for interest and income taxes was as follows for the six-month periods ended June 30, 2011 and 2010 (in thousands):

   
Six Months Ended
   
June 30,
   
2011
 
2010
         
Interest (1)
$
81,557
$
60,918
Income Taxes, Net of Refunds Received
$
83,818
$
129,850

(1)  
Net of capitalized interest of $30 million and $37 million for the six months ended June 30, 2011 and 2010, respectively.