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Basis Of Presentation And Summary Of Significant Accounting Policies (Advertising and Sales Promotion Expenses) (Narrative) (Details) - USD ($) $ in Thousands	12 Months Ended
	Aug. 31, 2017	Aug. 31, 2016	Aug. 31, 2015
Basis Of Presentation And Summary Of Significant Accounting Policies [Abstract]
Advertising and sales promotion	$ 20,537	$ 22,278	$ 22,876

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- References

No definition available.

+ Details

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- Definition

The total expense recognized in the period for promotion, public relations, and brand or product advertising.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 225
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.4)
-URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688

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