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Net Income Per Share
 3 Months Ended
Jun. 30, 2018
Earnings Per Share [Abstract]  
Net Income Per Share
Net Income Per Share
 
The computations of basic and diluted net income per share for the Company were as follows (in thousands, except per share amounts):
 
 
Three Months Ended
June 30,
 
 
2018
 
2017
Net income
 
$
38,466

 
$
37,007

 
 
 
 
 
Shares used in net income per share computation:
 
 

 
 

Weighted average shares outstanding - basic
 
165,317

 
163,407

Effect of potentially dilutive equivalent shares
 
3,439

 
4,932

Weighted average shares outstanding - diluted
 
168,756

 
168,339

 
 
 
 
 
Net income per share:
 
 

 
 

Basic
 
$
0.23

 
$
0.23

Diluted
 
$
0.23

 
$
0.22


 
Share equivalents attributable to outstanding stock options, restricted stock units ("RSUs") and ESPP totaling 1.5 million and 1.4 million for the three months ended June 30, 2018 and 2017, respectively, were excluded from the calculation of diluted net income per share because the combined exercise price and average unamortized grant date fair value upon exercise of these options and ESPP or vesting of RSUs were greater than the average market price of the Company's shares during the periods presented herein, and therefore their inclusion would have been anti-dilutive.