Share-Based Payments (Tables)

3 Months Ended

Nov. 17, 2012

Weighted Average for Key Assumptions Used in Determining Fair Value of Options Granted Related Share-Based Compensation Expense

2012, and November 19, 2011, using the Black-Scholes-Merton multiple-option pricing valuation model, was $98.09 and $93.04 per share, respectively, using the following weighted average key assumptions:

	Twelve Weeks Ended
	November 17, 2012			November 19, 2011
Expected price volatility		29	%		31	%
Risk-free interest rate		0.5	%		0.7	%
Weighted average expected lives (in years)		5.2			5.3
Forfeiture rate		10	%		10	%
Dividend yield		0	%		0	%