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Net income per common share (Tables)
3 Months Ended
Mar. 31, 2012
Schedule Of Earnings Per Share Basic And Diluted Table Text Block
   Quarters ended March 31,
(In thousands, except per share information) 2012 2011
Net income (loss) $ 48,408$ 10,132
Preferred stock dividends  (931)  (930)
Net income (loss) applicable to common stock$ 47,477$ 9,202
Average common shares outstanding  1,023,418,052  1,021,536,201
Average potential dilutive common shares   1,526,948  802,894
Average common shares outstanding - assuming dilution  1,024,945,000  1,022,339,095
Basic and dilutive EPS$ 0.05$ 0.01