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Earnings Per Common Share
 12 Months Ended
Dec. 31, 2018
Earnings Per Common Share [Abstract]  
Earnings Per Share [Text Block]
Earnings Per Common Share
Summarized basic and diluted earnings per common share were calculated as follows: 
 
Year Ended December 31,
 (In thousands, except per share data)
2018
 
2017
 
2016
Numerator:
 
 
 
 
 
Net earnings (loss)
$
8,492

 
$
6,653

 
$
(105,195
)
Denominator:
 
 
 
 
 
Weighted-average shares outstanding
53,471

 
53,282

 
53,121

Effect of dilutive stock awards(1)
1,071

 
562

 
—

Weighted-average dilutive shares
54,542

 
53,844

 
53,121

 
 
 
 
 
 
Basic earnings (loss) per share
$
0.16

 
$
0.12

 
$
(1.98
)
Diluted earnings (loss) per share
$
0.16

 
$
0.12

 
$
(1.98
)
Anti-dilutive securities excluded from diluted earnings (loss) per common share:
 
 
 
 
 
Anti-dilutive restricted share units
—

 
—

 
482

Anti-dilutive performance share units
200

 
329

 
880

Anti-dilutive stock options
1,498

 
2,554

 
3,072

(1) 
There was no dilutive effect to the loss per common share for the year ended December 31, 2016 due to the net loss incurred for the period.