Derivatives And Risk Management (Derivatives Designated As Fair Value Hedging Instruments) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
Nov. 30, 2013	Nov. 30, 2012
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) before income taxes for fair value hedges	$ (240)	$ (229)
Foreign exchange [Member] \| Net sales
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) before income taxes for fair value hedges	(113)	0
Foreign exchange [Member] \| Cost of goods sold
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) before income taxes for fair value hedges	$ (127)	$ (229)

Amount of gain (loss) from the increase (decrease) in fair value of derivative and nonderivative instruments designated as fair value hedging instruments recognized in the income statement.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 815

-SubTopic 25

-Section 50

-Paragraph 1

-Subparagraph (a)(1)

-URI http://asc.fasb.org/extlink&oid=6886632&loc=d3e76258-113986

Name:	us-gaap_ChangeInUnrealizedGainLossOnFairValueHedgingInstruments1
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration