Note 5 - Derivative Instruments (Details)	9 Months Ended		9 Months Ended
	May 31, 2014 USD ($)	Aug. 31, 2013 USD ($)	May 31, 2014 Through The End Of The Second Quarter Of Fiscal 2016 [Member] India, Rupees	May 31, 2014 Through The End Of Fiscal 2014 [Member] Philippines, Pesos	May 31, 2014 India, Rupees USD ($)	May 31, 2014 India, Rupees INR	Aug. 31, 2013 India, Rupees USD ($)	May 31, 2014 Philippines, Pesos USD ($)	May 31, 2014 Philippines, Pesos PHP	Aug. 31, 2013 Philippines, Pesos USD ($)
Note 5 - Derivative Instruments (Details) [Line Items]
Percent Of Foreign Exchange Contracts Hedged			75.00%	50.00%
Derivative Asset, Notional Amount	$ 51,951,000	$ 69,524,000			$ 42,751,000	2,800,000,000	$ 47,388,000	$ 9,200,000	408,100,000	$ 11,700,000
Derivative Assets (Liabilities), at Fair Value, Net	1,242,000	(7,740,000)			1,128,000		(7,693,000)	114,000		(178,000)
Derivative Instruments, Gain (Loss) Reclassification from Accumulated OCI to Income, Estimated Net Amount to be Transferred	$ (100,000)