Stock-Based Compensation (Tables)

6 Months Ended

Feb. 25, 2012

Stock-Based Compensation [Abstract]

Fair Value Of Options Granted Estimated Using Black-Scholes Option Pricing Model Assumptions

	Twenty-Six Weeks Ended
	February 25, 2012			February 26, 2011
Expected life (in years)		4.8			4.8
Risk-free interest rate		1.01	%		1.05	%
Expected volatility		35.2	%		35.1	%
Expected dividend yield		1.70	%		1.70	%

Summary Of Stock Options

	Options			Weighted- Average Exercise Price per Share		Weighted- Average Remaining Contractual Term (in years)		Aggregate Intrinsic Value
Outstanding on August 27, 2011		1,697		$	44.17
Granted		308			66.69
Exercised		(408	)		41.16
Canceled		(76	)		49.60
Outstanding on February 25, 2012		1,521		$	49.27		4.59	$	46,120
Exercisable on February 25, 2012		634		$	42.79		3.37	$	23,321

Non-Vested Restricted Share Award Activity

	Shares			Weighted- Average Grant-Date Fair Value
Non-vested restricted share awards at August 27, 2011		618		$	46.18
Granted		132			67.44
Vested		(160	)		41.41
Canceled/Forfeited		(32	)		47.91
Non-vested restricted share awards at February 25, 2012		558		$	52.47