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EARNINGS PER SHARE Earnings Per Share (Tables)
 3 Months Ended
Nov. 30, 2014
Earnings Per Share [Abstract]  
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]
The following table sets forth the computation of net income per share for the three months ended November 30, 2014 and 2013 (in thousands, except per share amounts):
 
Three Months Ended November 30,
 
2014
 
2013
Net income
$
20,647

 
$
21,432

Less: Allocation of income to unvested stockholders
(333
)
 
(440
)
Net earnings available to common stockholders
$
20,314

 
$
20,992

Basic weighted average shares outstanding
29,791

 
29,690

Add dilutive effect of stock options (two-class method)
8

 
12

Diluted average shares outstanding
29,799

 
29,702

Basic net income per share
$
0.68

 
$
0.71

Diluted net income per share
$
0.68

 
$
0.71