Note 5 - Derivative Instruments (Details)	3 Months Ended		3 Months Ended
	Nov. 30, 2013 USD ($)	Aug. 31, 2013 USD ($)	Nov. 30, 2013 Through The End Of The Second Quarter Of Fiscal 2016 [Member] India, Rupees	Nov. 30, 2013 Through The End Of The Second Quarter Of Fiscal 2014 [Member] British Pound [Member]	Nov. 30, 2013 Through The End Of Fiscal 2014 [Member] Philippines, Pesos	Nov. 30, 2013 India, Rupees USD ($)	Nov. 30, 2013 India, Rupees INR	Aug. 31, 2013 India, Rupees USD ($)	Nov. 30, 2013 British Pound [Member] USD ($)	Nov. 30, 2013 British Pound [Member] GBP (£)	Aug. 31, 2013 British Pound [Member] USD ($)	Nov. 30, 2013 Philippines, Pesos USD ($)	Nov. 30, 2013 Philippines, Pesos PHP	Aug. 31, 2013 Philippines, Pesos USD ($)
Note 5 - Derivative Instruments (Details) [Line Items]
Percent Of Foreign Exchange Contracts Hedged			75.00%	40.00%	50.00%
Derivative Asset, Notional Amount (in Rupees)	$ 55,773,000	$ 69,524,000				$ 42,407,000	2,700,000,000	$ 47,388,000	$ 4,816,000	£ 3,200,000	$ 10,436,000	$ 8,550,000	377,500,000	$ 11,700,000
Foreign Currency Derivatives at Fair Value, Net						(3,600,000)			300,000			100,000
Derivative Asset, Notional Amount (in Pesos)	55,773,000	69,524,000				42,407,000	2,700,000,000	47,388,000	4,816,000	3,200,000	10,436,000	8,550,000	377,500,000	11,700,000
Derivative Asset, Notional Amount (in Pounds)	55,773,000	69,524,000				42,407,000	2,700,000,000	47,388,000	4,816,000	3,200,000	10,436,000	8,550,000	377,500,000	11,700,000
Derivative Instruments, Gain (Loss) Reclassification from Accumulated OCI to Income, Estimated Net Amount to be Transferred	$ 1,000,000