Note 5 - Derivative Instruments (Details)	3 Months Ended		3 Months Ended
	Nov. 30, 2014 USD ($)	Aug. 31, 2014 USD ($)	Nov. 30, 2014 Through The Fourth Quarter of Fiscal 2016 [Member] India, Rupees	Nov. 30, 2014 Through The First and Second Quarter of Fiscal 2017 [Member] India, Rupees	Nov. 30, 2014 Through the Fourth Quarter of Fiscal 2015 [Member] Philippines, Pesos	Nov. 30, 2014 India, Rupees USD ($)	Nov. 30, 2014 India, Rupees INR	Aug. 31, 2014 India, Rupees USD ($)	Nov. 30, 2014 Philippines, Pesos USD ($)	Nov. 30, 2014 Philippines, Pesos PHP	Aug. 31, 2014 Philippines, Pesos USD ($)
Note 5 - Derivative Instruments (Details) [Line Items]
Percent Of Foreign Exchange Contracts Hedged			75.00%	50.00%	50.00%
Derivative Asset, Notional Amount	$ 50,795,000	$ 44,979,000				$ 41,295,000	2,800,000,000	$ 38,479,000	$ 9,500,000	426,000,000	$ 6,500,000
Derivative Assets (Liabilities), at Fair Value, Net	636,000	815,000				695,000		700,000	(59,000)		115,000
Derivative Instruments, Gain (Loss) Reclassification from Accumulated OCI to Income, Estimated Net Amount to be Transferred	$ (600,000)