Stock-Based Compensation (Tables)

9 Months Ended

May. 30, 2015

Share-based Compensation Arrangement by Share-based Payment Award [Line Items]

Schedule Of Options Fair Value Assumptions

		Thirty-Nine Weeks Ended
		May 30,			May 31,
		2015			2014
Expected life (in years)		3.9			3.9
Risk-free interest rate		1.09	%		0.93	%
Expected volatility		24.49	%		26.59	%
Expected dividend yield		1.70	%		1.70	%
Weighted-average grant-date fair value	$	14.06		$	14.98

Summary Of Stock Options

	Options	Weighted-Average Exercise Price per Share		Weighted-Average Remaining Contractual Term (in years)	Aggregate Intrinsic Value
Outstanding on August 30, 2014	1,186	$	68.24
Granted	421		83.01
Exercised	(140)		63.29
Canceled/Forfeited	(60)		78.46
Outstanding on May 30, 2015	1,407	$	72.72	4.68	$	4,960
Exercisable on May 30, 2015	561	$	62.74	3.32	$	4,811

Restricted Stock [Member]

Share-based Compensation Arrangement by Share-based Payment Award [Line Items]

Non-Vested Share Activity

	Shares	Weighted-Average  Grant-Date Fair Value
Non-vested restricted share awards at August 30, 2014	428	$	68.67
Granted	126		82.33
Vested	(133)		60.48
Canceled/Forfeited	(14)		76.13
Non-vested restricted share awards at May 30, 2015	407	$	75.42

Restricted Stock Unit Agreement [Member]

Share-based Compensation Arrangement by Share-based Payment Award [Line Items]

Non-Vested Unit Award Activity

	Shares		Weighted- Average Grant- Date Fair Value
Non-vested restricted stock unit awards at August 30, 2014	184	$	54.65
Granted	1		83.03
Vested	(123)		54.60
Canceled/Forfeited	—		—
Non-vested restricted stock unit awards at May 30, 2015	62	$	55.09