Stock-Based Compensation Plans (Stock Option Activity) (Details) (USD $)	12 Months Ended
	Aug. 30, 2014	Aug. 31, 2013	Aug. 25, 2012
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]
Outstanding at beginning of year, Shares	664,994	727,664	812,983
Options granted, Shares	0	0	0
Options exercised, Shares	(77,833)	(4,000)	0
Options canceled, Shares	(129,740)	(58,670)	(85,319)
Outstanding at end of year, Shares	457,421	664,994	727,664
Exercisable at end of year, Shares	457,421	664,994	727,664
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Purchase Price [Roll Forward]
Options granted, Price per Share (in dollars per share)	$ 0	$ 0	$ 0
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Roll Forward]
Outstanding at beginning of year, Wtd. Avg. Exercise Price per Share (in dollars per share)	$ 29.83	$ 29.08	$ 28.84
Options granted, Wtd. Avg. Exercise Price per Share (in dollars per share)	$ 0.00	$ 0.00	$ 0.00
Options exercised, Wtd. Avg. Exercise Price per Share (in dollars per share)	$ 26.72	$ 18.84	$ 0.00
Options canceled, Wtd. Avg. Exercise Price per Share (in dollars per share)	$ 29.75	$ 21.26	$ 26.81
Outstanding at end of year, Wtd. Avg. Exercise Price per Share (in dollars per share)	$ 30.38	$ 29.83	$ 29.08
Exercisable at end of year, Wtd. Avg. Exercise Price per Share (in dollars per share)	$ 30.38	$ 29.83	$ 29.08
Minimum [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Purchase Price [Roll Forward]
Outstanding at beginning of year, Price per Share (in dollars per share)	$ 26	$ 18	$ 18
Options exercised, Price per Share (in dollars per share)	$ 26	$ 19
Options canceled, Price per Share (in dollars per share)	$ 26	$ 18	$ 19
Outstanding at end of year, Price per Share (in dollars per share)	$ 26	$ 26	$ 18
Exercisable at end of year, Price per Share (in dollars per share)	$ 26	$ 26	$ 18
Maximum [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Purchase Price [Roll Forward]
Outstanding at beginning of year, Price per Share (in dollars per share)	$ 36	$ 36	$ 36
Options exercised, Price per Share (in dollars per share)	$ 27	$ 19
Options canceled, Price per Share (in dollars per share)	$ 35	$ 32	$ 32
Outstanding at end of year, Price per Share (in dollars per share)	$ 36	$ 36	$ 36
Exercisable at end of year, Price per Share (in dollars per share)	$ 36	$ 36	$ 36