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Supplemental Disclosures (Tables)
3 Months Ended
Mar. 31, 2013
Supplemental Disclosures [Abstract]  
Schedule Of Income Tax Benefit
(In thousands)  Three Months Ended March 31,
     2013 2012
Current tax benefit (expense)       $ (10,666) $ 58,960
Deferred tax benefit        106,991   98,438
Income tax benefit       $ 96,325 $ 157,398
Schedule Of Cash Paid For Interest And Income Taxes
(In thousands)Three Months Ended March 31,
 2013 2012
Interest$ 385,238 $ 412,460
Income taxes  13,175   18,935