Note 5 - Derivative Instruments (Details) - Hedging Positions and Corresponding Fair Values In Thousands, unless otherwise specified	Nov. 30, 2013 USD ($)	Aug. 31, 2013 USD ($)	Nov. 30, 2013 India, Rupees USD ($)	Nov. 30, 2013 India, Rupees INR	Aug. 31, 2013 India, Rupees USD ($)	Nov. 30, 2013 Philippines, Pesos USD ($)	Nov. 30, 2013 Philippines, Pesos PHP	Aug. 31, 2013 Philippines, Pesos USD ($)	Nov. 30, 2013 British Pound [Member] USD ($)	Nov. 30, 2013 British Pound [Member] GBP (£)	Aug. 31, 2013 British Pound [Member] USD ($)
Note 5 - Derivative Instruments (Details) - Hedging Positions and Corresponding Fair Values [Line Items]
Gross Notional Value	$ 55,773	$ 69,524	$ 42,407	2,700,000	$ 47,388	$ 8,550	377,500	$ 11,700	$ 4,816	£ 3,200	$ 10,436
Fair Value Asset (Liability)	$ (3,113)	$ (7,740)	$ (3,556)		$ (7,693)	$ 106		$ (178)	$ 337		$ 131