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Earnings Per Share Earnings Per Share (Tables)
 6 Months Ended
Dec. 31, 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 December 31,
 
Six Months Ended December 31,
 
2015
 
2014
 
2015
 
2014
Net Income
$
59,348

 
$
53,882

 
$
110,714

 
$
99,969

Common share information:
 
 
 
 
 
 
 
Weighted average shares outstanding for basic earnings per share
79,473

 
81,432

 
80,009

 
81,813

Dilutive effect of stock options and restricted stock
297

 
202

 
243

 
299

Weighted average shares outstanding for diluted earnings per share
79,770

 
81,634

 
80,252

 
82,112

Basic earnings per share
$
0.75

 
$
0.66

 
$
1.38

 
$
1.22

Diluted earnings per share
$
0.74

 
$
0.66

 
$
1.38

 
$
1.22