Stock-Based Compensation (Tables)

6 Months Ended

Mar. 01, 2014

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

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

	Twenty-Six Weeks Ended
	March 1,		March 2,
	2014		2013
Expected life (in years)	3.9		3.8
Risk-free interest rate	0.93	%	0.55	%
Expected volatility	26.59	%	32.86	%
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 31, 2013	1,224	$	58.30
Granted	399		81.76
Exercised	(255)		47.85
Canceled	(17)		72.46
Outstanding on March 1, 2014	1,351	$	67.02	5.29	$	15,204
Exercisable on March 1, 2014	486	$	55.77	3.99	$	10,242

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 31, 2013	505	$	59.47
Granted	121		82.20
Vested	(147)		51.18
Canceled/Forfeited	(11)		67.54
Non-vested restricted share awards at March 1, 2014	468	$	68.33

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 31, 2013	196	$	55.32
Granted	2		80.82
Vested	—		—
Canceled/Forfeited	—		—
Non-vested restricted stock unit awards at March 1, 2014	198	$	55.60