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Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions (Details)
12 Months Ended
Aug. 28, 2016
Aug. 30, 2015
Aug. 30, 2015
Aug. 30, 2015
Aug. 31, 2014
Aug. 30, 2014
Dividend yield 1.80%          
Expected volatility 31.80%          
Expected volatility, minimum   51.20%       52.40%
Expected volatility, maximum   51.30%       62.60%
Risk free interest rate, Minimum 1.70% 1.70%       1.60%
Risk free interest rate, Maximum 2.30% 2.30%       1.90%
Minimum [Member]            
Dividend yield     2.20%   2.20%  
Expected term 5 years   5 years   5 years  
Maximum [Member]            
Dividend yield       2.70% 2.60%  
Expected term 10 years     10 years 10 years