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Earnings per Common Share (Tables)
3 Months Ended
Mar. 31, 2019
Earnings Per Share [Abstract]  
Calculation of basic and diluted weighted-average shares outstanding
The following is a calculation of basic and diluted weighted-average shares outstanding:
 
 
Three Months Ended 
 March 31,
(In thousands)
 
2019
 
2018
Weighted-average shares - basic
 
423,116

 
459,715

Dilution effect of stock awards at end of period
 
2,073

 
1,834

Weighted-average shares - diluted
 
425,189

 
461,549

Calculation of weighted-average shares excluded from diluted EPS due to the anti-dilutive effect
The following is a calculation of weighted-average shares excluded from diluted EPS due to the anti-dilutive effect:
 
 
Three Months Ended 
 March 31,
(In thousands)
 
2019
 
2018
Weighted-average stock awards excluded from diluted EPS due to the anti-dilutive effect calculated using the treasury stock method
 
643

 
608