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Financial Derivatives (Schedule Of Derivatives Instruments Statements Of Financial Performance And Financial Position, Location) (Details) (USD $) In Thousands, unless otherwise specified | Nov. 30, 2013 | Aug. 31, 2013 | Nov. 30, 2012
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Derivatives Designated As Hedging Instruments [Member] |  |  |
Derivatives, Fair Value [Line Items] |  |  |
Total derivatives | $ (269) | $ (107) | $ (404)
Derivatives Designated As Hedging Instruments [Member] | Other Current Liabilities [Member] | Foreign Currency Forward Contracts [Member] |  |  |
Derivatives, Fair Value [Line Items] |  |  |
Foreign currency forward contracts, liabilities | (287) | (258) | (359)
Derivatives Designated As Hedging Instruments [Member] | Other Current Liabilities [Member] | Interest Rate Swap [Member] |  |  |
Derivatives, Fair Value [Line Items] |  |  |
Interest rate swap, liabilities |  |  | (45)
Derivatives Designated As Hedging Instruments [Member] | Other Current Assets [Member] | Foreign Currency Forward Contracts [Member] |  |  |
Derivatives, Fair Value [Line Items] |  |  |
Foreign currency forward contracts, assets | 18 | 151 |
Derivatives Not Designated As Hedging Instruments [Member] |  |  |
Derivatives, Fair Value [Line Items] |  |  |
Total derivatives | 131 | 45 | 128
Derivatives Not Designated As Hedging Instruments [Member] | Other Current Liabilities [Member] | Foreign Currency Forward Contracts [Member] |  |  |
Derivatives, Fair Value [Line Items] |  |  |
Foreign currency forward contracts, liabilities | (1) | (33) |
Derivatives Not Designated As Hedging Instruments [Member] | Other Current Assets [Member] | Foreign Currency Forward Contracts [Member] |  |  |
Derivatives, Fair Value [Line Items] |  |  |
Foreign currency forward contracts, assets | $ 132 | $ 78 | $ 128

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- Definition Fair values as of the balance sheet date of the net amount of all assets and liabilities resulting from contracts that meet the criteria of being accounted for as derivative instruments. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 45 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=6945355&loc=d3e41228-113958 + Details
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- Definition Fair value as of the balance sheet date of foreign currency derivative assets, which includes all such derivative instruments in hedging and nonhedging relationships that are recognized as assets on the balance sheet. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4B -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=7476318&loc=SL5624163-113959 + Details
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- Definition Fair value as of the balance sheet date of interest rate derivative liabilities, which includes all such derivative instruments in hedging and nonhedging relationships that are recognized as liabilities on the balance sheet. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4B -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=7476318&loc=SL5624163-113959 + Details
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