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Earnings Per Share (Tables)
 9 Months Ended
Sep. 30, 2016
Earnings Per Share [Abstract]  
Schedule of Earnings Per Share, Basic and Diluted
The calculation of basic and diluted earnings per common share follows (in thousands, except per share amounts):
 
Three Months Ended
 
Nine Months Ended
 
September 30,
 
September 30,
 
2016
 
2015
 
2016
 
2015
Numerator:
 
 
 
 
 
 
 
Earnings from continuing operations
$
2,116

 
$
6,347

 
$
21,815

 
$
25,812

Weighted-average shares outstanding - basic
59,379

 
64,239

 
62,084

 
64,411

Common equivalent shares:
 
 
 
 
 
 
 
Effect of stock-based compensation awards
904

 
932

 
1,940

 
930

Weighted-average shares outstanding - diluted
60,283

 
65,171

 
64,024

 
65,341

 
 
 
 
 
 
 
 
Basic earnings per share from continuing operations
$
0.04

 
$
0.10

 
$
0.35

 
$
0.40

Diluted earnings per share from continuing operations
$
0.04

 
$
0.10

 
$
0.34

 
$
0.40