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Equity Plans - Share Based Compensation (Details) (USD $)
In Millions, except Per Share data, unless otherwise specified
3 Months Ended 9 Months Ended
May 29, 2014
May 30, 2013
May 29, 2014
May 30, 2013
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Number of shares of common stock reserved for issuance for stock options and restricted stock awards (in shares) 164   164  
Number of shares subject to outstanding awards (in shares) 64   64  
Number of shares available for future awards (in shares) 100   100  
Number of stock options granted during the period (in shares) 1 0 12 18
Share-based Compensation Arrangement by Share-based Payment Award, Additional General Disclosures [Abstract]        
Weighted-average grant-date fair values per share of options granted during period (in dollars per share) $ 11.35 $ 4.79 $ 9.38 $ 3.29
Average expected life (in years) 5 years 8 months 4 years 9 months 4 years 11 months 5 years 1 month
Weighted-average expected volatility (in hundredths) 52.00% 55.00% 48.00% 60.00%
Weighted-average risk-free interest rate (in thousandths) 1.80% 0.70% 1.60% 0.70%
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions and Methodology [Abstract]        
Fair Value Assumptions, Method Used     Black-Scholes  
Restricted stock awards [Member]
       
Restricted Stock Awards activity        
Number of Shares - Granted (in shares) 0 0 7 7
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Roll Forward]        
Weighted Average Grant Date Fair Value Per Share - Granted (in dollars per share) $ 22.73 $ 9.97 $ 21.39 $ 6.21