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Earnings Per Common Share (Schedule Of Weighted Average Number Of Shares) (Details) - shares shares in Thousands	3 Months Ended		9 Months Ended
	May. 31, 2015	May. 31, 2014	May. 31, 2015	May. 31, 2014
Earnings Per Common Share [Abstract]
Weighted-average common shares outstanding, basic	14,546	14,977	14,616	15,152
Weighted-average dilutive securities	69	74	69	77
Weighted-average common shares outstanding, diluted	14,615	15,051	14,685	15,229

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The sum of dilutive potential common shares or units used in the calculation of the diluted per-share or per-unit computation.

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-Publisher FASB



-Name Accounting Standards Codification



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-SubTopic 10



-Section 50



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- Definition

The average number of shares or units issued and outstanding that are used in calculating diluted EPS or earnings per unit (EPU), determined based on the timing of issuance of shares or units in the period.

+ References

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



-Publisher FASB



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Number of [basic] shares or units, after adjustment for contingently issuable shares or units and other shares or units not deemed outstanding, determined by relating the portion of time within a reporting period that common shares or units have been outstanding to the total time in that period.

+ References

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



-Publisher FASB



-Name Accounting Standards Codification



-Topic 260



-SubTopic 10



-Section 50



-Paragraph 1



-Subparagraph (a)



-URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257



Reference 2: http://www.xbrl.org/2003/role/presentationRef



-Publisher FASB



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