Financial Derivatives (Schedule Of Financial Derivatives) (Details) - USD ($) $ in Thousands	Nov. 30, 2015	Aug. 31, 2015	Nov. 30, 2014
Derivatives, Fair Value [Line Items]
Derivative assets	$ 2,155	$ 712	$ 1,253
Derivative liabilities	(342)	(413)	(87)
Derivatives Designated As Hedging Instruments [Member]
Derivatives, Fair Value [Line Items]
Total derivatives	2,061	(135)	985
Derivatives Designated As Hedging Instruments [Member] \| Other Current Assets [Member] \| Foreign Currency Forward Contracts [Member]
Derivatives, Fair Value [Line Items]
Derivative assets	2,092	217	1,072
Derivatives Designated As Hedging Instruments [Member] \| Other Current Liabilities [Member] \| Foreign Currency Forward Contracts [Member]
Derivatives, Fair Value [Line Items]
Derivative liabilities	(31)	(352)	(87)
Derivatives Not Designated As Hedging Instruments [Member]
Derivatives, Fair Value [Line Items]
Total derivatives	(248)	434	181
Derivatives Not Designated As Hedging Instruments [Member] \| Other Current Assets [Member] \| Foreign Currency Forward Contracts [Member]
Derivatives, Fair Value [Line Items]
Derivative assets	63	495	$ 181
Derivatives Not Designated As Hedging Instruments [Member] \| Other Current Liabilities [Member] \| Foreign Currency Forward Contracts [Member]
Derivatives, Fair Value [Line Items]
Derivative liabilities	$ (311)	$ (61)

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.

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

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+ 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 (a)
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Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
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Reference 3: http://www.xbrl.org/2003/role/presentationRef
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+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
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Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
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