Goodwill And Other Intangible Assets (Summary Of Changes in Carrying Amounts of Goodwill) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
Nov. 30, 2013
Goodwill [Line Items]
Balance, beginning	$ 95,236
Translation adjustments	202
Balance, ending	95,438
Americas [Member]
Goodwill [Line Items]
Balance, beginning	85,545
Translation adjustments	28
Balance, ending	85,573
EMEA [Member]
Goodwill [Line Items]
Balance, beginning	8,480
Translation adjustments	174
Balance, ending	8,654
Asia-Pacific [Member]
Goodwill [Line Items]
Balance, beginning	1,211
Translation adjustments
Balance, ending	$ 1,211

Carrying amount as of the balance sheet date, which is the cumulative amount paid and (if applicable) the fair value of any noncontrolling interest in the acquiree, adjusted for any amortization recognized prior to the adoption of any changes in generally accepted accounting principles (as applicable) and for any impairment charges, in excess of the fair value of net assets acquired in one or more business combination transactions.

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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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