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Earnings Per Share (Tables)
 6 Months Ended
Jun. 30, 2014
Earnings Per Share [Abstract]  
Basic and Diluted Earnings per share
The following table sets forth the calculation of EPS for the three and six months ended June 30, 2014 and 2013.
 
 
Three Months Ended June 30,
 
Six Months Ended June 30,
 
 
2014
 
2013
 
2014
 
2013
 
 
(In thousands, except per share amounts)
Weighted average basic common shares outstanding
 
23,298

 
23,315

 
23,318

 
22,796

Dilutive effect of contingently convertible notes and warrants
 
2,937

 
1,660

 
2,513

 
1,743

Dilutive effect of employee stock purchases, net of assumed repurchase of treasury stock
 
7

 
5

 
6

 
5

Weighted average dilutive common shares outstanding
 
26,242

 
24,980

 
25,837

 
24,544

Basic:
 
 
 
 
 
 
 
 
Net Income
 
$
16,862

 
$
37,388

 
$
48,165

 
$
59,506

Less: Earnings allocated to participating securities
 
675

 
1,689

 
1,923

 
2,684

Earnings available to basic common shares
 
$
16,187

 
$
35,699

 
$
46,242

 
$
56,822

Basic earnings per common share
 
$
0.70

 
$
1.53

 
$
1.98

 
$
2.49

Diluted:
 
 
 
 
 
 
 
 
Net Income
 
$
16,862

 
$
37,388

 
$
48,165

 
$
59,506

Less: Earnings allocated to participating securities
 
619

 
1,592

 
1,773

 
2,522

Earnings available to diluted common shares
 
$
16,243

 
$
35,796

 
$
46,392

 
$
56,984

Diluted earnings per common share
 
$
0.62

 
$
1.43

 
$
1.80

 
$
2.32