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Note 3 - Summary of Significant Accounting Policies (Details) (USD $)
 12 Months Ended
Aug. 31, 2014
Aug. 31, 2013
Aug. 31, 2012
Aug. 31, 2011
Note 3 - Summary of Significant Accounting Policies (Details) [Line Items]        
Unbilled Receivables, Not Billable $ 3,000,000      
Allowance for Doubtful Accounts Receivable 1,700,000 1,600,000    
Interest Income and Fees, Bankers Acceptances, Certificates of Deposit and Commercial Paper 1,200,000 1,300,000    
Number of Reportable Segments 3 3 3  
Number of Operating Segments 3 3 3  
Amortization of Intangible Assets 8,500,000 7,100,000 7,500,000  
Employee Compensation Percentage of Discretionary Incentives 15.00%      
Accrued Bonuses 37,300,000 35,200,000    
Accumulated Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, Net of Tax (18,431,000) (26,326,000)    
Unrecognized Tax Benefits 5,501,000 5,435,000 5,464,000 7,204,000
Unrecognized Tax Benefits, Interest on Income Taxes Accrued 1,100,000      
Certificates of Deposit [Member] | Minimum [Member]
        
Note 3 - Summary of Significant Accounting Policies (Details) [Line Items]        
Investment Securities Maturity Period 3 months      
Certificates of Deposit [Member] | Maximum [Member] | INDIA
        
Note 3 - Summary of Significant Accounting Policies (Details) [Line Items]        
Investment Securities Maturity Period 12 months      
Certificates of Deposit [Member] | Maximum [Member]
        
Note 3 - Summary of Significant Accounting Policies (Details) [Line Items]        
Investment Securities Maturity Period 1 year      
Computer Equipment [Member]
        
Note 3 - Summary of Significant Accounting Policies (Details) [Line Items]        
Property, Plant and Equipment, Useful Life 3 years      
Furniture and Fixtures [Member]
        
Note 3 - Summary of Significant Accounting Policies (Details) [Line Items]        
Property, Plant and Equipment, Useful Life 7 years      
Internal Use Software [Member] | Maximum [Member]
        
Note 3 - Summary of Significant Accounting Policies (Details) [Line Items]        
Finite-Lived Intangible Asset, Useful Life 3 years      
Internal Use Software [Member]
        
Note 3 - Summary of Significant Accounting Policies (Details) [Line Items]        
Development Costs, Period Cost 700,000 700,000 900,000  
Amortization of Intangible Assets $ 800,000 $ 900,000 $ 900,000  
Minimum [Member]
        
Note 3 - Summary of Significant Accounting Policies (Details) [Line Items]        
Finite-Lived Intangible Asset, Useful Life 2 years      
Maximum [Member]
        
Note 3 - Summary of Significant Accounting Policies (Details) [Line Items]        
Finite-Lived Intangible Asset, Useful Life 20 years