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Goodwill And Other Intangible Assets (Summary Of Changes In Carrying Amounts Of Definite-Lived Intangible Assets By Segment) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	May 31, 2013	May 31, 2012	May 31, 2013	May 31, 2012
Finite-Lived Intangible Assets [Line Items]
Beginning balance			$ 27,685
Amortization expense	(523)	(504)	(1,454)	(1,669)
Translation adjustments			(118)
Ending balance	26,113		26,113
Americas [Member]
Finite-Lived Intangible Assets [Line Items]
Beginning balance			24,714
Amortization expense			(1,334)
Ending balance	23,380		23,380
Europe [Member]
Finite-Lived Intangible Assets [Line Items]
Beginning balance			2,971
Amortization expense			(120)
Translation adjustments			(118)
Ending balance	2,733		2,733
Asia-Pacific [Member]
Finite-Lived Intangible Assets [Line Items]
Beginning balance
Amortization expense
Translation adjustments
Ending balance

The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.

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