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Earnings Per Share (Tables)
 3 Months Ended
Mar. 31, 2017
Earnings Per Share [Abstract]  
Schedule of Earnings Per Share, Basic and Diluted
The calculation of basic and diluted earnings per common share are as follows (in thousands, except per share amounts):
 
Three Months Ending March 31,
 
2017
 
2016
Numerator:
 
 
 
Earnings from continuing operations - basic
$
9,796

 
$
8,171

Gain from stock warrant revaluation, net of tax
(1,539
)
 
—

Earnings from continuing operations - diluted
$
8,257

 
$
8,171

 
 
 
 
Denominator:
 
 
 
Weighted-average shares outstanding - basic
59,133

 
63,636

Common equivalent shares:
 
 
 
Effect of stock-based compensation awards
684

 
809

Effect of stock warrants
5,132

 
612

Weighted-average shares outstanding assuming dilution
64,949

 
65,057

 
 
 
 
Basic earnings per share from continuing operations
$
0.17

 
$
0.13

Diluted earnings per share from continuing operations
$
0.13

 
$
0.13