XML 80 R105.htm IDEA: XBRL DOCUMENT

Stock-Based Compensation (Assumptions Used In Monte Carlo Simulation) (Details)	3 Months Ended			12 Months Ended
	Oct. 31, 2010	Nov. 01, 2009	Nov. 02, 2008	Jul. 31, 2011	Aug. 01, 2010	Aug. 02, 2009
Stock-Based Compensation
Risk-free interest rate	0.59%	1.27%	2.06%
Expected dividend yield	3.00%	3.06%	2.46%
Expected volatility	23.71%	24.83%	18.57%
Expected term, years				3	3	3

The period of time an equity-based award is expected to be outstanding. An equity-based award's expected term is generally determined based on, among other factors, the instrument's contractual term and the effects of employees' expected exercise and post-vesting employment termination behavior.

+ References+ Details