Goodwill And Other Intangible Assets (Summary Of Changes in Carrying Amounts of Goodwill) (Details) (USD $) In Thousands, unless otherwise specified	9 Months Ended
May 31, 2014
Goodwill [Line Items]
Balance, beginning	$ 95,236
Translation adjustments	308
Balance, ending	95,544
Americas [Member]
Goodwill [Line Items]
Balance, beginning	85,545
Translation adjustments	43
Balance, ending	85,588
EMEA [Member]
Goodwill [Line Items]
Balance, beginning	8,480
Translation adjustments	265
Balance, ending	8,745
Asia-Pacific [Member]
Goodwill [Line Items]
Balance, beginning	1,211
Translation adjustments
Balance, ending	$ 1,211

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.

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=14024403&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

-URI http://asc.fasb.org/extlink&oid=6388280&loc=d3e13770-109266

Name:	us-gaap_Goodwill
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant