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Net Income Per Share (Tables)
6 Months Ended
Sep. 30, 2015
Earnings Per Share [Abstract]  
Schedule of computations of basic and diluted 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
September 30,
 
Six Months Ended
September 30,
 
 
2015
 
2014
 
2015
 
2014
Net income
 
$
18,097

 
$
36,090

 
$
25,534

 
$
55,766

Shares used in net income per share computation:
 
 

 
 

 
 

 
 

Weighted average shares outstanding - basic
 
163,515

 
163,230

 
163,957

 
163,121

Effect of potentially dilutive equivalent shares
 
2,326

 
2,835

 
2,395

 
2,828

Weighted average shares outstanding - diluted
 
165,841

 
166,065

 
166,352

 
165,949

Net income per share:
 
 

 
 

 
 

 
 

Basic
 
$
0.11

 
$
0.22

 
$
0.16

 
$
0.34

Diluted
 
$
0.11

 
$
0.22

 
$
0.15

 
$
0.34