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Earnings (Loss) Per Share (Tables)
 6 Months Ended
Jun. 30, 2017
Earnings Per Share [Abstract]  
Reconciliation of Numerators and Denominators Used in Computations of Both Basic and Diluted Earnings Per Share
he following table reconciles the numerators and denominators used in the computations of both basic and diluted EPS:
 
Three Months Ended June 30
 
Six Months Ended June 30
 
2017
 
2016
 
2017
 
2016
 
(In thousands, except share data)
Basic earnings (loss) per share computation:
 
 
 
Numerator:
 
 
 
Income
$
17,647

 
$
33,371

 
$
7,888

 
$
72,572

Denominator:
 
 
 
 
 
 
 
Average common shares
90,882,415

 
91,244,745

 
90,796,585

 
91,406,969

Basic earnings per share
$
0.19

 
$
0.37

 
$
0.09

 
$
0.79

Diluted earnings (loss) per share computation:
 
 
 
Numerator:
 
 
 
Income
$
17,647

 
$
33,371

 
$
7,888

 
$
72,572

Denominator:
 
 
 
 
 
 
 
Average common shares — basic
90,882,415

 
91,244,745

 
90,796,585

 
91,406,969

Stock option conversion(1)
220,318

 
232,113

 
232,495

 
258,164

RSUs and PSUs(2)
266,297

 
202,955

 
336,866

 
329,945

Average common shares — diluted
91,369,030

 
91,679,813

 
91,365,946

 
91,995,078

Diluted earnings per share
$
0.19

 
$
0.36

 
$
0.09

 
$
0.79

(1) Anti-dilutive options excluded
655,700

 
1,282,259

 
776,710

 
1,349,300

(2) Anti-dilutive stock units excluded
8,959

 
5,911

 
4,504

 
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