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Income Taxes (Tables)
 3 Months Ended
Nov. 30, 2016
Income Tax Disclosure [Abstract]  
Schedule of Effective Income Tax Rate Reconciliation
A reconciliation of the difference between the federal statutory rate and the Company’s effective rate is as follows:
 
Three Months Ended November 30,
 
2016
 
2015
Federal statutory rate
35.0
 %
 
35.0
 %
State taxes, net of credits
2.1

 
0.8

Foreign income taxed at different rates
(3.4
)
 
(9.1
)
Non-deductible officers’ compensation
2.7

 
1.5

Noncontrolling interests
(4.4
)
 
(3.9
)
Research and development credits
(1.4
)
 
(0.2
)
Valuation allowance on deferred tax assets
(25.0
)
 
(16.4
)
Unrecognized tax benefits
1.9

 
1.2

Other non-deductible expenses
1.3

 
2.1

Other
(0.2
)
 
(0.5
)
Effective tax rate
8.6
 %
 
10.5
 %