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Earnings Per Share (Tables)
 3 Months Ended
Sep. 30, 2016
Earnings Per Share [Abstract]  
Calculation of Basic and Diluted Earnings per Share

The chart below shows the calculation of basic and diluted earnings per share (in thousands, except per share amounts):

 

 

Three Months Ended

 

 

 

September 30,

 

 

 

2016

 

 

2015

 

Net income

 

$

36,663

 

 

$

34,632

 

Weighted-average number of basic shares outstanding

   during the period

 

 

24,340

 

 

 

24,208

 

Dilutive effect of SSARs/stock options and RSUs after

   application of treasury stock method

 

 

588

 

 

 

513

 

Weighted-average number of diluted shares outstanding

   during the period

 

 

24,928

 

 

 

24,721

 

Basic earnings per share

 

$

1.51

 

 

$

1.43

 

Diluted earnings per share

 

$

1.47

 

 

$

1.40