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Earnings Per Share Earnings Per Share (Tables)
 3 Months Ended
Sep. 30, 2016
Earnings Per Share, Basic and Diluted [Abstract]  
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]
The following table reflects the reconciliation between basic and diluted earnings per share.
 
Three Months Ended September 30,
 
2016
 
2015
Net Income
$
62,244

 
$
51,366

Common share information:
 
 
 
Weighted average shares outstanding for basic earnings per share
78,413

 
80,545

Dilutive effect of stock options and restricted stock
431

 
190

Weighted average shares outstanding for diluted earnings per share
78,844

 
80,735

Basic earnings per share
$
0.79

 
$
0.64

Diluted earnings per share
$
0.79

 
$
0.64