Note 5 - Derivative Instruments (Details) - Hedging Positions and Corresponding Fair Values In Thousands, unless otherwise specified	Aug. 31, 2013 USD ($)	Aug. 31, 2012 USD ($)	Aug. 31, 2013 India, Rupees USD ($)	Aug. 31, 2013 India, Rupees INR	Aug. 31, 2012 India, Rupees USD ($)	Aug. 31, 2013 United Kingdom, Pounds USD ($)	Aug. 31, 2013 United Kingdom, Pounds GBP (£)	Aug. 31, 2013 Philippines, Pesos USD ($)	Aug. 31, 2013 Philippines, Pesos PHP	Aug. 31, 2012 Euro Member Countries, Euro USD ($)
Note 5 - Derivative Instruments (Details) - Hedging Positions and Corresponding Fair Values [Line Items]
Gross Notional Value	$ 69,524	$ 46,446	$ 47,388	2,900,000	$ 36,286	$ 10,436	£ 6,800	$ 11,700	515,900	$ 10,160
Fair Value Asset (Liability)	$ (7,740)	$ (2,374)	$ (7,693)		$ (2,434)	$ 131		$ (178)		$ 60