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Earnings Per Share
 6 Months Ended
Sep. 30, 2012
Earnings Per Share [Abstract]  
Earnings Per Share
Earnings per Share

The Company provides dual presentation of “basic” and “diluted” earnings per share (“EPS”). Shares discussed below are in thousands.
 
Three Months Ended September 30,
 
Six Months Ended September 30,
 
2012
 
2011
 
2012
 
2011
Net income
$
15,691

 
$
20,496

 
$
31,188

 
$
39,479

Basic net income per share:
 
 
 
 
 
 
 
Weighted-average shares outstanding — Basic
59,347

 
58,664

 
59,314

 
58,511

Basic net income per common share
$
0.26

 
$
0.35

 
$
0.53

 
$
0.67

 
 
 
 
 
 
 
 
Net income
$
15,691

 
$
20,496

 
$
31,188

 
$
39,479

Diluted net income per share:
 
 
 
 
 
 
 
Weighted-average shares outstanding — Basic
59,347

 
58,664

 
59,314

 
58,511

Effect of potentially dilutive securities
39

 
341

 
72

 
391

Weighted-average shares outstanding — Diluted
59,386

 
59,005

 
59,386

 
58,902

Diluted net income per common share
$
0.26

 
$
0.35

 
$
0.53

 
$
0.67



The computation of diluted net income per share does not include 1,205 and 1,024 options to acquire shares of common stock for the three and six months ended September 30, 2012, respectively, because their inclusion would have an anti-dilutive effect on net income per share.

The computation of diluted net income per share does not include 455 and 307 options to acquire shares of common stock for the three and six months ended September 30, 2011, respectively, because their inclusion would have an anti-dilutive effect on net income per share.