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Earnings Per Share (Narrative) (Details) (Stock Options [Member], USD $)	6 Months Ended
	Feb. 28, 2015	Mar. 01, 2014
Stock Options [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive shares	180,154	316,600
Antidilutive shares average price (in dollars per share)	$ 28.20	$ 32.02

Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.

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