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Goodwill And Other Intangible Assets (Summary Of Definite-Lived Intangible Assets) (Details) (USD $) In Thousands, unless otherwise specified	May 31, 2014	Aug. 31, 2013
Goodwill And Other Intangible Assets [Abstract]
Gross carrying amount	$ 36,732	$ 34,615
Accumulated amortization	(11,388)	(9,124)
Accumulated impairment of intangible assets	(1,077)	(1,077)
Translation adjustments	136	(122)
Net carrying amount	$ 24,403	$ 24,292

X

- Definition

Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 30

-Section 50

-Paragraph 2

-Subparagraph (a)(1)

-URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16323-109275

+ Details

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Namespace Prefix:	us-gaap_
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Balance Type:	credit
Period Type:	instant

X

- Definition

Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 30

-Section 50

-Paragraph 2

-Subparagraph (a)(1)

-URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16323-109275

+ Details

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Namespace Prefix:	us-gaap_
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X

- Definition

Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 30

-Section 50

-Paragraph 2

-Subparagraph (a)(1)

-URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16323-109275

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X

- Definition

Finite-Lived Intangible Assets, Accumulated Impairment

+ References

No definition available.

+ Details

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X

- Definition

The increase (decrease) to the recorded value of finite lived intangible assets for foreign currency translation adjustments.

+ References

No definition available.

+ Details

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