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Income Taxes (Schedule Of Components Of Income Tax Expense (Benefit)) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Aug. 31, 2013	Aug. 31, 2012	Aug. 31, 2011
Income Taxes [Abstract]
Current, Federal	$ 11,239	$ 10,100	$ 9,321
Current, State	886	3	951
Current, Foreign	4,973	3,820	4,627
Total current	17,098	13,923	14,899
Deferred, Federal	(157)	1,449	2,162
Deferred, Foreign	113	56	37
Total deferred	(44)	1,505	2,199
Provision for income taxes	$ 17,054	$ 15,428	$ 17,098

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