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Earnings Per Share Reconciliation (Tables)
 12 Months Ended
Dec. 31, 2017
Earnings Per Share [Abstract]  
Schedule of Earnings Per Common Share Reconciliation

The table below shows earnings per common share and diluted earnings per common share, and reconciles the numerator and denominator of both earnings per common share calculations.

 

    For the Year Ended December 31,  
    2017     2016     2015  
    (In thousands, except per share amounts)  

Earnings per common share:

      

Net earnings

     $         104,411          $ 101,429          $         99,145     

Less: Net earnings allocated to restricted stock

     382          421          515     
 

 

 

    

 

 

    

 

 

  

Net earnings allocated to common shareholders

     $ 104,029          $ 101,008          $ 98,630     
 

 

 

    

 

 

    

 

 

  

Weighted average shares outstanding

     109,409          107,282          105,715     

Basic earnings per common share

     $ 0.95          $ 0.94          $ 0.93     
 

 

 

    

 

 

    

 

 

  

Diluted earnings per common share:

      

Net income allocated to common shareholders

     $ 104,029          $ 101,008          $ 98,630     
 

 

 

    

 

 

    

 

 

  

Weighted average shares outstanding

     109,409          107,282          105,715     

Incremental shares from assumed exercise of
outstanding options

     398          405          477     
 

 

 

    

 

 

    

 

 

  

Diluted weighted average shares outstanding

     109,807                  107,687          106,192     

Diluted earnings per common share

     $ 0.95          $ 0.94          $ 0.93