Share-Based Employee Compensation (Schedule Of Weighted-Average Assumptions) (Details) (USD $)	12 Months Ended
	Sep. 30, 2012 Y	Oct. 02, 2011 Y	Oct. 03, 2010 Y
Share-based Compensation [Abstract]
Risk-free interest rate	1.98%	1.19%	1.97%
Expected dividends yield	0.00%	0.00%	0.00%
Expected stock price volatility	39.84%	43.17%	38.65%
Expected life of options (in years)	6.64	6.05	4.46
Weighted-average grant date fair value (usd per share)	$ 7.37	$ 8.25	$ 6.54