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Basis Of Presentation And Summary Of Significant Accounting Policies (Short-term Investments) (Narrative) (Details) - USD ($) $ in Thousands	Aug. 31, 2015	Aug. 31, 2014
Basis Of Presentation And Summary Of Significant Accounting Policies [Abstract]
Short-term investments	$ 48,603	$ 45,050

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- References

No definition available.

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- Definition

Investments which are intended to be sold in the short term (usually less than one year or the normal operating cycle, whichever is longer) including trading securities, available-for-sale securities, held-to-maturity securities, and other short-term investments not otherwise listed in the existing taxonomy.

+ References

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



-Publisher FASB



-Name Accounting Standards Codification



-Topic 210



-SubTopic 10



-Section S99



-Paragraph 1



-Subparagraph (SX 210.5-02.2)



-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682



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



-Publisher SEC



-Name Regulation S-X (SX)



-Number 210



-Section 03



-Paragraph 1



-Subparagraph g



-Article 7

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