Stock-Based Compensation Plans (Stock Options Outstanding) (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
	Aug. 28, 2011
Options Outstanding and Exercisable, Number of Options	5,917
Options Outstanding and Exercisable, Weighted-Average Remaining Contractual Life	2.77
Options Outstanding and Exercisable, Weighted-Average Exercise Price	$ 40.07
$30.41 - $37.35 [Member]
Range of Prices, Lower limit	$ 30.41
Range of Prices, Upper limit	$ 37.35
Options Outstanding and Exercisable, Number of Options	2,446
Options Outstanding and Exercisable, Weighted-Average Remaining Contractual Life	2.19
Options Outstanding and Exercisable, Weighted-Average Exercise Price	$ 35.38
$37.44 - $42.41 [Member]
Range of Prices, Lower limit	$ 37.44
Range of Prices, Upper limit	$ 42.41
Options Outstanding and Exercisable, Number of Options	481
Options Outstanding and Exercisable, Weighted-Average Remaining Contractual Life	0.67
Options Outstanding and Exercisable, Weighted-Average Exercise Price	$ 39.05
$43.79 - $43.79 [Member]
Range of Prices, Lower limit	$ 43.79
Range of Prices, Upper limit	$ 43.79
Options Outstanding and Exercisable, Number of Options	2,649
Options Outstanding and Exercisable, Weighted-Average Remaining Contractual Life	3.59
Options Outstanding and Exercisable, Weighted-Average Exercise Price	$ 43.79
$45.99 - $46.46 [Member]
Range of Prices, Lower limit	$ 45.99
Range of Prices, Upper limit	$ 46.46
Options Outstanding and Exercisable, Number of Options	341
Options Outstanding and Exercisable, Weighted-Average Remaining Contractual Life	3.58
Options Outstanding and Exercisable, Weighted-Average Exercise Price	$ 46.19