Financial Derivatives (Schedule Of Financial Derivatives) (Details) - USD ($) $ in Thousands	Aug. 31, 2017	Aug. 31, 2016
Derivatives Designated As Hedging Instruments [Member]
Derivatives, Fair Value [Line Items]
Total derivatives	$ (1,633)	$ (345)
Derivatives Designated As Hedging Instruments [Member] \| Other Current Assets [Member] \| Foreign Currency Forward Contracts [Member]
Derivatives, Fair Value [Line Items]
Derivative assets		40
Derivatives Designated As Hedging Instruments [Member] \| Other Current Liabilities [Member] \| Foreign Currency Forward Contracts [Member]
Derivatives, Fair Value [Line Items]
Derivative liabilities	(1,633)	(385)
Derivatives Not Designated As Hedging Instruments [Member]
Derivatives, Fair Value [Line Items]
Total derivatives	(105)	(177)
Derivatives Not Designated As Hedging Instruments [Member] \| Other Current Assets [Member] \| Foreign Currency Forward Contracts [Member]
Derivatives, Fair Value [Line Items]
Derivative assets	9	33
Derivatives Not Designated As Hedging Instruments [Member] \| Other Current Liabilities [Member] \| Foreign Currency Forward Contracts [Member]
Derivatives, Fair Value [Line Items]
Derivative liabilities	$ (114)	$ (210)

Fair value, after the effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets not subject to a master netting arrangement and not elected to be offset.

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

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-Publisher FASB
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- Definition

Fair value, after the effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes liabilities not subject to a master netting arrangement and not elected to be offset.

+ References

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

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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