Stock-Based Compensation (Tables)

3 Months Ended

Nov. 26, 2011

Stock-Based Compensation [Abstract]

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

	Thirteen Weeks Ended
	November 26, 2011			November 27, 2010
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		(248	)		42.61
Canceled/Forfeited		(9	)		54.20
Outstanding on November 26, 2011		1,748		$	48.31		4.64	$	25,865
Exercisable on November 26, 2011		791		$	41.98		3.39	$	16,091

Unvested Restricted Stock Awards

	Shares			Weighted- Average Grant-Date Fair Value
Non-vested restricted share awards at August 27, 2011		618		$	46.18
Granted		117			66.69
Vested		(149	)		41.04
Canceled/Forfeited		(4	)		50.66
Non-vested restricted share awards at November 26, 2011		582		$	51.57