Note 6 - Components of Other Comprehensive Income (Loss) and Amounts Reclassified Out of Accumulated Other Comprehensive Loss (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Feb. 29, 2016	Feb. 28, 2015	Feb. 29, 2016	Feb. 28, 2015
Foreign currency translation adjustments	$ (10,364)	$ (8,011)	$ (16,750)	$ (21,566)
Foreign currency translation adjustments	(10,364)	(8,011)	(16,750)	(21,566)
Realized loss (gain) on cash flow hedges reclassified to earnings (1)	4	152	(52)	191
Realized loss (gain) on cash flow hedges reclassified to earnings (1)	3	95	(32)	120
Unrealized (loss) gain on cash flow hedges recognized in AOCL	(2,891)	1,192	(3,496)	974
Unrealized (loss) gain on cash flow hedges recognized in AOCL	(1,822)	748	(2,204)	611
Other comprehensive loss	(13,251)	(6,667)	(20,298)	(20,401)
Other comprehensive loss	$ (12,183)	$ (7,168)	$ (18,986)	$ (20,835)

Amount before tax, after reclassification adjustments of other comprehensive income (loss).

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