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Earnings Per Share Earnings Per Share (Tables)
 9 Months Ended
Mar. 31, 2017
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 March 31,
 
Nine Months Ended March 31,
 
2017
 
2016
 
2017
 
2016
Net Income
$
60,044

 
$
53,883

 
$
181,102

 
$
164,597

Common share information:
 
 
 
 
 
 
 
Weighted average shares outstanding for basic earnings per share
77,597

 
78,805

 
77,941

 
79,608

Dilutive effect of stock options and restricted stock
335

 
362

 
378

 
283

Weighted average shares outstanding for diluted earnings per share
77,932

 
79,167

 
78,319

 
79,891

Basic earnings per share
$
0.77

 
$
0.68

 
$
2.32

 
$
2.07

Diluted earnings per share
$
0.77

 
$
0.68

 
$
2.31

 
$
2.06