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EARNINGS PER SHARE (Tables)
6 Months Ended
Jun. 30, 2013
EARNINGS PER SHARE  
Schedule of reconciliation of weighted average shares outstanding
                                 
   
Three months ended
June 30
   
Six months ended
June 30
 
(In thousands except per share data )
 
2013
   
2012
   
2013
   
2012
 
Net income available for stockholders:
  $ 40,416     $ 72,260     $ 75,492     $ 153,015  
Less:  Dividends paid
    (22,015 )     (17,512 )     (44,030 )     (35,083 )
Undistributed earnings
  $ 18,401     $ 54,748     $ 31,462     $ 117,932  
                                 
Basic shares outstanding:
                               
   Common stock
    211,707       210,331       211,790       210,683  
   Restricted shares of common stock
    4,176       4,562       4,249       4,558  
      215,883       214,893       216,039       215,241  
 
Diluted shares outstanding:
                               
   Common stock
    211,707       210,331       211,790       210,683  
   Dilutive effect of stock based awards
    812       1,234       1,151       1,539  
      212,519       211,565       212,941       212,222  
   Restricted shares of common stock
    4,176       4,562       4,249       4,558  
      216,695       216,127       217,190       216,780