Associate Benefit Plans (Summary Of Stock Options By Range Of Exercise Price) (Details) $ / shares in Units, shares in Thousands, $ in Thousands	12 Months Ended
	Aug. 29, 2015 USD ($) $ / shares shares
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Number of options outstanding at August 30, 2014 | shares	1,274
Weighted average remaining contractual life of options outstanding	4 years 6 months
Weighted average exercise price of options outstanding	$ 73.10
Intrinsic Value of options outstanding | $	$ 3,375
Number of options exercisable at August 30, 2014 | shares	514
Weighted average remaining contractual life of options exercisable	3 years 2 months 12 days
Weighted average exercise price of options exercisable	$ 63.75
Intrinsic Value of options exercisable | $	$ 3,338
38.07 - 44.16 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Range of exercise prices, lower limit	$ 38.07
Range of exercise prices, upper limit	$ 44.17
Number of options outstanding at August 30, 2014 | shares	64
Weighted average remaining contractual life of options outstanding	1 year
Weighted average exercise price of options outstanding	$ 43.66
Intrinsic Value of options outstanding | $	$ 1,514
Number of options exercisable at August 30, 2014 | shares	64
Weighted average remaining contractual life of options exercisable	1 year
Weighted average exercise price of options exercisable	$ 43.66
Intrinsic Value of options exercisable | $	$ 1,514
44.17 - 66.68 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Range of exercise prices, lower limit	$ 44.18
Range of exercise prices, upper limit	$ 66.69
Number of options outstanding at August 30, 2014 | shares	305
Weighted average remaining contractual life of options outstanding	2 years 8 months 12 days
Weighted average exercise price of options outstanding	$ 61.35
Intrinsic Value of options outstanding | $	$ 1,861
Number of options exercisable at August 30, 2014 | shares	257
Weighted average remaining contractual life of options exercisable	2 years 7 months 6 days
Weighted average exercise price of options exercisable	$ 60.35
Intrinsic Value of options exercisable | $	$ 1,824
66.69 - 73.70 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Range of exercise prices, lower limit	$ 66.70
Range of exercise prices, upper limit	$ 73.71
Number of options outstanding at August 30, 2014 | shares	233
Weighted average remaining contractual life of options outstanding	4 years 2 months 12 days
Weighted average exercise price of options outstanding	$ 69.56
Number of options exercisable at August 30, 2014 | shares	109
Weighted average remaining contractual life of options exercisable	4 years 2 months 12 days
Weighted average exercise price of options exercisable	$ 69.56
73.71 - 81.76 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Range of exercise prices, lower limit	73.72
Range of exercise prices, upper limit	$ 83.03
Number of options outstanding at August 30, 2014 | shares	672
Weighted average remaining contractual life of options outstanding	5 years 8 months 12 days
Weighted average exercise price of options outstanding	$ 82.45
Number of options exercisable at August 30, 2014 | shares	84
Weighted average remaining contractual life of options exercisable	5 years 2 months 12 days
Weighted average exercise price of options exercisable	$ 81.79