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Earnings Per Share (Narrative) (Details) (Stock Options [Member], USD $)
6 Months Ended
Mar. 01, 2014
Mar. 02, 2013
Stock Options [Member]
   
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]    
Antidilutive shares 316,600 673,328
Antidilutive shares average price (in dollars per share) $ 32.02 $ 29.83