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Financial Derivatives (Schedule Of Financial Derivatives) (Details) - USD ($) $ in Thousands	May 31, 2017	Aug. 31, 2016	May 31, 2016
Derivatives Designated As Hedging Instruments [Member]
Derivatives, Fair Value [Line Items]
Total derivatives	$ (2,109)	$ (345)	$ 722
Derivatives Designated As Hedging Instruments [Member] | Other Current Assets [Member]
Derivatives, Fair Value [Line Items]
Derivative assets		40	858
Derivatives Designated As Hedging Instruments [Member] | Other Current Liabilities [Member]
Derivatives, Fair Value [Line Items]
Derivative liabilities	(2,109)	(385)	(136)
Derivatives Not Designated As Hedging Instruments [Member]
Derivatives, Fair Value [Line Items]
Total derivatives	68	(177)	(34)
Derivatives Not Designated As Hedging Instruments [Member] | Other Current Assets [Member]
Derivatives, Fair Value [Line Items]
Derivative assets	71	33	16
Derivatives Not Designated As Hedging Instruments [Member] | Other Current Liabilities [Member]
Derivatives, Fair Value [Line Items]
Derivative liabilities	$ (3)	$ (210)	$ (50)

X

- Definition

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.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 20
-Section 50
-Paragraph 3
-Subparagraph (c)
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Reference 2: 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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+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
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-Topic 210
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-URI http://asc.fasb.org/extlink&oid=51825145&loc=SL20226008-175313

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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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