Stock-Based Compensation Plans (Share Awards Activity) (Details) (Stock Compensation Plan [Member], USD $)	12 Months Ended
	Aug. 30, 2014	Aug. 31, 2013	Aug. 25, 2012
Stock Compensation Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]
Beginning of year, Shares	190,962	70,956	148,500
Granted, Shares	138,345	190,738	50,000
Vested, Shares	(129,817)	(70,732)	(120,044)
Canceled, Shares	(967)	0	(7,500)
End of year, Shares	198,523	190,962	70,956
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Roll Forward]
Beginning of year, Weighted Average Grant Date Fair Value	$ 12.46	$ 13.49	$ 13.49
Granted, Weighted Average Grant Date Fair Value	$ 27.44	$ 12.25	$ 7.96
Vested, Weighted Average Grant Date Fair Value	$ 18.82	$ 12.93	$ 11.19
Canceled, Weighted Average Grant Date Fair Value	$ 18.44	$ 0.00	$ 13.49
End of year, Weighted Average Grant Date Fair Value	$ 18.98	$ 12.46	$ 13.49