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Earnings Per Share (Tables)
 12 Months Ended
Dec. 31, 2014
Earnings Per Share [Abstract]  
Basic and Diluted Earnings per share
The following table sets forth the calculation of EPS for the years ended December 31, 2014, 2013, and 2012:
 
 
Year Ended December 31,
 
 
2014
 
2013
 
2012
 
 
(In thousands, except per share
amounts)
Weighted average basic common shares outstanding
 
23,380

 
23,096

 
21,620

Dilutive effect of contingently convertible notes and warrants
 
1,499

 
2,213

 
1,058

Dilutive effect of stock options, net of assumed repurchase of treasury stock
 
—

 
—

 
4

Dilutive effect of employee stock purchases, net of assumed repurchase of treasury stock
 
6

 
5

 
6

Weighted average dilutive common shares outstanding
 
24,885

 
25,314

 
22,688

Basic:
 
 
 
 
 
 
Net income
 
$
93,004

 
$
113,992

 
$
100,209

Less: Earnings allocated to participating securities
 
3,643

 
4,963

 
5,269

Earnings available to basic common shares
 
$
89,361

 
$
109,029

 
$
94,940

Basic earnings per common share
 
$
3.82

 
$
4.72

 
$
4.39

Diluted:
 
 
 
 
 
 
Net income
 
$
93,004

 
$
113,992

 
$
100,209

Less: Earnings allocated to participating securities
 
3,468

 
4,599

 
5,062

Earnings available to diluted common shares
 
$
89,536

 
$
109,393

 
$
95,147

Diluted earnings per common share
 
$
3.60

 
$
4.32

 
$
4.19