Quarterly report pursuant to Section 13 or 15(d)

Net Income Per Share

v2.4.0.6
Net Income Per Share
 3 Months Ended
Mar. 31, 2013
Earnings Per Share [Abstract]  
Net Income Per Share
Net Income Per Share

The following table sets forth the computation of basic and diluted net income per share:
 
 
Three months ended
 
 
March 31,
2013
 
March 31,
2012
Numerator:
 
 
 
 
Numerator for basic and diluted income per share - net income
 
$
10,855

 
$
10,273

Denominator (in thousands):
 
 

 
 

Denominator for basic income per share - weighted-average shares
 
29,511

 
28,692

Effect of dilutive stock options (in thousands)
 
606

 
593

Effect of dilutive performance shares (in thousands)
 
53

 
37

Effect of dilutive non-vested shares and deferred stock units (in thousands)
 
94

 
41

Denominator for diluted income per share - adjusted weighted-average shares
 
30,264

 
29,363

Basic net income per share
 
$
0.37

 
$
0.36

Diluted net income per share
 
$
0.36

 
$
0.35



The number of instruments that could potentially dilute net income per basic share in the future, but that were not included in the computation of net income per diluted share because to do so would have been anti-dilutive for the periods presented, are as follows:
 
Three months ended
 
March 31,
2013
 
March 31,
2012
Anti-dilutive stock options (in thousands)
$
150

 
$
189

Anti-dilutive performance shares (in thousands)
16

 
14

Anti-dilutive non-vested shares and deferred stock units (in thousands)
—

 
61

Total anti-dilutive shares (in thousands)
$
166

 
$
264