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Earnings Per Share Earnings Per Share (Tables)
 6 Months Ended
Dec. 31, 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 December 31,
 
Six Months Ended December 31,
 
2016
 
2015
 
2016
 
2015
Net Income
$
58,814

 
$
59,348

 
$
121,058

 
$
110,714

Common share information:
 
 
 
 
 
 
 
Weighted average shares outstanding for basic earnings per share
77,814

 
79,473

 
78,114

 
80,009

Dilutive effect of stock options and restricted stock
366

 
297

 
398

 
243

Weighted average shares outstanding for diluted earnings per share
78,180

 
79,770

 
78,512

 
80,252

Basic earnings per share
$
0.76

 
$
0.75

 
$
1.55

 
$
1.38

Diluted earnings per share
$
0.75

 
$
0.74

 
$
1.54

 
$
1.38