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Stock-Based Compensation Plans (Summary Of RSU Transactions) (Details) (Restricted Stock Units [Member], USD $)
In Thousands, except Per Share data
12 Months Ended
Aug. 28, 2011
Restricted Stock Units [Member]
 
Non-vested at the end of 2010, Number of Units9,253
Granted, Number of Units3,971
Vested, Number of Units(3,322)
Forfeited, Number of Units(175)
Non-vested at the end of 2011, Number of Units9,727
Non-vested at the end of 2010, Weighted-Average Grant Date Fair Value$ 55.22
Granted, Weighted-Average Grant Date Fair Value$ 61.27
Vested, Weighted-Average Grant Date Fair Value$ 55.55
Forfeited, Weighted-Average Grant Date Fair Value$ 55.90
Non-vested at the end of 2011, Weighted-Average Grant Date Fair Value$ 57.56