Stock-Based Compensation (Tables)

6 Months Ended

Mar. 02, 2013

Stock-Based Compensation [Abstract]

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

	Twenty-Six Weeks Ended
	March 2, 2013			February 25, 2012
Expected life (in years)		3.8			4.8
Risk-free interest rate		0.55	%		1.01	%
Expected volatility		32.86	%		35.20	%
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 September 1, 2012		1,377		$	49.79
Granted		359			69.52
Exercised		(384	)		41.37
Canceled		(4	)		62.43
Outstanding on March 2, 2013		1,348		$	57.41		4.84	$	37,753
Exercisable on March 2, 2013		505		$	48.62		3.55	$	18,575

Non-Vested Restricted Share Award Activity

	Shares			Weighted- Average Grant-Date Fair Value
Non-vested restricted share awards at September 1, 2012		535		$	52.37
Granted		136			70.11
Vested		(157	)		45.12
Canceled/Forfeited		(6	)		55.92
Non-vested restricted share awards at March 2, 2013		508		$	59.31