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Net Income Per Share (Tables)
 12 Months Ended
Dec. 31, 2015
Earnings Per Share [Abstract]  
Schedule Of Net Income Per Share
Net income per share for the years ended December 31, 2015, 2014 and 2013 are as follows (in thousands, except per share data):
 
 
 
Year Ended
 
 
December 31, 2015
 
December 31, 2014
 
December 31, 2013
Numerator:
 
 
 
 
 
 
Net income
 
$
48,584

 
$
8,788

 
$
55,217

 
 
 
 
 
 
 
Denominator:
 
 
 
 
 
 
Weighted average common shares - basic
 
33,161

 
35,771

 
38,379

Potentially dilutive common share equivalent
 
627

 
674

 
569

Weighted average common shares - dilutive
 
33,788

 
36,445

 
38,948

 
 
 
 
 
 
 
Basic net income per share
 
$
1.47

 
$
0.25

 
$
1.44

Diluted net income per share
 
$
1.44

 
$
0.24

 
$
1.42

 
 
 
 
 
 
 
Anti-dilutive employee stock-based awards, excluded
 
1,807

 
2,617

 
2,846