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Financial Derivatives (Schedule Of Derivative Instruments, Effect On Other Comprehensive Income (Loss)) (Details) (Foreign Currency Forward Contracts [Member], Net Investment Hedging [Member], USD $) In Thousands, unless otherwise specified | 12 Months Ended
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Aug. 31, 2014 | Aug. 31, 2013 | Aug. 31, 2012
Foreign Currency Forward Contracts [Member] | Net Investment Hedging [Member] |  |  |
Derivatives, Fair Value [Line Items] |  |  |
Foreign currency forward contracts, net of tax expense | $ (53) | $ (357) | $ 1,677
Tax (benefit) expense | $ 16 | $ (286) | $ 1,023

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- Definition The effective portion of gains and losses (net) on derivative instruments designated and qualifying as hedging instruments that was recognized in other comprehensive income during the current period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4C -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=7476318&loc=SL5624171-113959 + Details
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- Definition Tax effect of current period adjustment resulting from gains and losses on foreign currency transactions that are designated as, and are effective as, economic hedges of a net investment in a foreign entity. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 830 -SubTopic 30 -Section 45 -Paragraph 20 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6915805&loc=d3e32211-110900 + Details
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