Stock-Based Compensation (Tables)

9 Months Ended

May 26, 2012

Stock-Based Compensation [Abstract]

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

	Thirty-Nine Weeks Ended
	May 26, 2012			May 28, 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		(472	)		41.41
Canceled		(82	)		49.95
Outstanding on May 26, 2012		1,451		$	49.52		4.37	$	33,607
Exercisable on May 26, 2012		571		$	42.76		3.05	$	17,086

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		(162	)		41.52
Canceled/Forfeited		(42	)		48.88
Non-vested restricted share awards at May 26, 2012		546		$	52.49