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Earnings Per Share Earnings Per Share (Tables)
 3 Months Ended
Sep. 30, 2015
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,
 
2015
 
2014
Net Income
$
51,366

 
$
46,088

Common share information:
 
 
 
Weighted average shares outstanding for basic earnings per share
80,545

 
82,195

Dilutive effect of stock options and restricted stock
190

 
394

Weighted average shares outstanding for diluted earnings per share
80,735

 
82,589

Basic earnings per share
$
0.64

 
$
0.56

Diluted earnings per share
$
0.64

 
$
0.56