Note 6 - Other Comprehensive Income (Loss) and Accumulated Other Comprehensive Loss (Tables)

12 Months Ended

Aug. 31, 2014

Disclosure Text Block [Abstract]

Reclassification out of Accumulated Other Comprehensive Income [Table Text Block]

	Aug 31, 2014				Aug 31, 2013						Aug 31, 2012
	Pre-tax		Net of tax		Pre-tax			Net of tax			Pre-tax			Net of tax
Foreign currency translation adjustments	$	7,895	$	7,895	$	(5,151	)	$	(5,151	)	$	(14,925	)	$	(14,925	)
Realized loss on cash flow hedges reclassified to earnings (1)		260		164		1,000			622			1,031			645
Unrealized gain (loss) on cash flow hedges recognized in AOCL		8,294		5,193		(6,258	)		(3,918	)		(4,450	)		(2,786	)
Other comprehensive income (loss)	$	16,449	$	13,252	$	(10,409	)	$	(8,447	)	$	(18,344	)	$	(17,066	)

Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block]

	Aug 31, 2014			Aug 31, 2013
Accumulated unrealized gains (losses) on cash flow hedges, net of tax	$	510		$	(4,847	)
Accumulated foreign currency translation adjustments		(18,431	)		(26,326	)
Total accumulated other comprehensive loss	$	(17,921	)	$	(31,173	)