Note 3 - Summary of Significant Accounting Policies (Details) (USD $)	12 Months Ended
	Aug. 31, 2013	Aug. 31, 2012	Aug. 31, 2011	Aug. 31, 2010
Note 3 - Summary of Significant Accounting Policies (Details) [Line Items]
Unbilled Receivables, Not Billable (in Dollars)	$ 3,300,000
Allowance for Doubtful Accounts Receivable (in Dollars)	1,600,000	1,800,000
Interest Income and Fees, Bankers Acceptances, Certificates of Deposit and Commercial Paper (in Dollars)	1,300,000	1,100,000
Number of Reportable Segments	3	3	3
Development Costs, Period Cost (in Dollars)	700,000	900,000	900,000
Amortization of Intangible Assets (in Dollars)	7,100,000	7,500,000	8,400,000
Accrued Bonuses (in Dollars)	35,200,000	35,900,000
Contributions From Landlords Toward Leasehold Improvements (in Dollars)	500,000	1,500,000	1,400,000
Accumulated Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, Net of Tax (in Dollars)	(26,326,000)	(21,175,000)
Unrecognized Tax Benefits (in Dollars)	5,435,000	5,464,000	7,204,000	7,346,000
Unrecognized Tax Benefits, Interest on Income Taxes Accrued (in Dollars)	1,000,000
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]
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]
Amortization of Intangible Assets (in Dollars)	$ 900,000	$ 900,000	$ 700,000
Minimum [Member]
Note 3 - Summary of Significant Accounting Policies (Details) [Line Items]
Finite-Lived Intangible Asset, Useful Life	2 years
Employee Compensation Percentage of Discretionary Incentives	15.00%
Maximum [Member]
Note 3 - Summary of Significant Accounting Policies (Details) [Line Items]
Finite-Lived Intangible Asset, Useful Life	20 years
Employee Compensation Percentage of Discretionary Incentives	20.00%