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Earnings Per Share ("EPS") (Tables)
 3 Months Ended
Mar. 31, 2019
Earnings Per Share [Abstract]  
Computation of Earnings Per Share
The computation of earnings per share is as follows:

 
 
 
Three Months Ended
March 31,
(In thousands, except per share data)
 
 
 
 
2019
 
2018
Net income
 
 
 
 
$
47,695

 
$
51,312

 
 
 
 
 
 
 
 
Average common shares outstanding
 
 
 
 
92,520

 
92,182

Average potential dilutive common shares
 
 
 
 
351

 
457

Average diluted common shares
 
 
 
 
92,871


92,639

 
 
 
 
 
 
 
 
Basic earnings per share
 
 
 
 
$
0.52

 
$
0.56

Diluted earnings per share
 
 
 
 
$
0.51

 
$
0.55