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Goodwill And Other Intangible Assets (Summary Of Changes in Carrying Amounts of Goodwill) (Details) - USD ($) $ in Thousands	12 Months Ended
	Aug. 31, 2015	Aug. 31, 2014
Goodwill [Line Items]
Balance, beginning	$ 95,499	$ 95,236
Translation adjustments	(321)	263
Balance, ending	96,409	95,499
Americas [Member]
Goodwill [Line Items]
Balance, beginning	85,581	85,545
Translation adjustments	(49)	36
Balance, ending	85,532	85,581
EMEA [Member]
Goodwill [Line Items]
Balance, beginning	8,707	8,480
Translation adjustments	(271)	227
Balance, ending	9,667	8,707
Asia-Pacific [Member]
Goodwill [Line Items]
Balance, beginning	1,211	$ 1,211
Translation adjustments	(1)
Balance, ending	1,210	$ 1,211
GT 85 Limited [Member]
Goodwill [Line Items]
GT85 acquisiton	1,231
GT 85 Limited [Member] | EMEA [Member]
Goodwill [Line Items]
GT85 acquisiton	$ 1,231
GT 85 Limited [Member] | Asia-Pacific [Member]
Goodwill [Line Items]
GT85 acquisiton

X

- Definition

Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef



-Publisher FASB



-Name Accounting Standards Codification



-Topic 350



-SubTopic 20



-Section 50



-Paragraph 1



-URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267



Reference 2: http://www.xbrl.org/2003/role/presentationRef



-Publisher FASB



-Name Accounting Standards Codification



-Topic 350



-SubTopic 20



-Section 45



-Paragraph 1



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X

- Definition

Amount of increase in asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized resulting from a business combination.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef



-Publisher FASB



-Name Accounting Standards Codification



-Topic 350



-SubTopic 20



-Section 50



-Paragraph 1



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- Definition

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+ References

No definition available.

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- Definition

Amount of increase (decrease) from foreign currency translation adjustments of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef



-Publisher FASB



-Name Accounting Standards Codification



-Topic 350



-SubTopic 20



-Section 50



-Paragraph 1



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