Share-Based Payments (Tables)

3 Months Ended

Nov. 19, 2011

Share-Based Payments [Abstract]

Weighted average fair value of the stock option awards granted, weighted average key assumptions

	Twelve Weeks Ended
	November 19,			November 20,
	2011			2010
Expected price volatility		31	%		31	%
Risk-free interest rate		0.7	%		1.0	%
Weighted average expected lives (in years)		5.3			4.3
Forfeiture rate		10	%		10	%
Dividend yield		0	%		0	%