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Income Taxes (Tables)
 3 Months Ended
Nov. 30, 2012
Income Tax Disclosure [Abstract]  
Schedule of Effective Income Tax Rate Reconciliation [Table Text Block]
A reconciliation of the difference between the federal statutory rate and the Company’s effective rate is as follows:
 
Three Months Ended November 30,
 
2012
 
2011
Federal statutory rate
35.0
 %
 
35.0
 %
State taxes, net of credits
7.1

 
1.3

Foreign income taxed at different rates
(1.0
)
 
(1.6
)
Section 199 deduction
4.6

 
(1.7
)
Non-deductible officers’ compensation
(1.1
)
 
0.7

Noncontrolling interests
48.5

 
(2.0
)
Research and development credits
21.7

 
—

Valuation allowance on deferred tax assets
(312.1
)
 
—

Other
(1.5
)
 
(0.2
)
Effective tax rate
(198.8
)%
 
31.5
 %