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Net Income Per Share (Tables)
 9 Months Ended
Mar. 31, 2017
Earnings Per Share [Abstract]  
Computation of basic and diluted net income per share
The following table shows the computation of basic and diluted net income per share for the three and nine months ended March 31, 2017 and 2016 (in thousands, except per share amounts):
 
 
Three Months Ended
March 31,
 
Nine Months Ended
March 31,
 
2017
 
2016
 
2017
 
2016
Numerator:
 
 
 
 
 
 
 
Net income
$
16,666

 
$
16,662

 
$
52,194

 
$
65,050

 
 
 
 
 
 
 
 
Denominator:
 
 
 
 
 
 
 
Weighted-average shares outstanding
48,445

 
48,047

 
48,243

 
47,737

Effect of dilutive securities
3,473

 
4,191

 
3,336

 
3,900

Weighted-average diluted shares
51,918

 
52,238

 
51,579

 
51,637

 
 
 
 
 
 
 
 
Basic net income per share
$
0.34

 
$
0.35

 
$
1.08

 
$
1.36

Diluted net income per share
$
0.32

 
$
0.32

 
$
1.01

 
$
1.26