Note 5 - Derivative Instruments (Details) - Hedging Positions and Corresponding Fair Values In Thousands, unless otherwise specified	May 31, 2014 USD ($)	Aug. 31, 2013 USD ($)	May 31, 2014 India, Rupees USD ($)	May 31, 2014 India, Rupees INR	Aug. 31, 2013 India, Rupees USD ($)	May 31, 2014 Philippines, Pesos USD ($)	May 31, 2014 Philippines, Pesos PHP	Aug. 31, 2013 Philippines, Pesos USD ($)	May 31, 2014 United Kingdom, Pounds USD ($)	Aug. 31, 2013 United Kingdom, Pounds USD ($)
Note 5 - Derivative Instruments (Details) - Hedging Positions and Corresponding Fair Values [Line Items]
Gross Notional Value	$ 51,951	$ 69,524	$ 42,751	2,800,000	$ 47,388	$ 9,200	408,100	$ 11,700	$ 0	$ 10,436
Fair Value Asset (Liability)	$ 1,242	$ (7,740)	$ 1,128		$ (7,693)	$ 114		$ (178)	$ 0	$ 131