Stock-Based Compensation Plans (Stock Options Outstanding) (Detail) (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
	Sep. 01, 2013
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Options Outstanding and Exercisable - Number of Options	1,947
Options Outstanding and Exercisable - Weighted Average Remaining Contractual Life	1 year 4 months 17 days
Options Outstanding and Exercisable - Weighted Average Exercise Price	$ 39.70
$34.71 - $40.69 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Range of Prices, Lower limit	$ 34.71	[1]
Range of Prices, Upper limit	$ 40.69	[1]
Options Outstanding and Exercisable - Number of Options	1,775
Options Outstanding and Exercisable - Weighted Average Remaining Contractual Life	1 year 4 months 9 days
Options Outstanding and Exercisable - Weighted Average Exercise Price	$ 39.39
$42.73 - $43.17 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Range of Prices, Lower limit	$ 42.73	[1]
Range of Prices, Upper limit	$ 43.17	[1]
Options Outstanding and Exercisable - Number of Options	172
Options Outstanding and Exercisable - Weighted Average Remaining Contractual Life	1 year 7 months 2 days
Options Outstanding and Exercisable - Weighted Average Exercise Price	$ 42.93

[1] Prices include the effect of the special cash dividend noted above.