Stockholders' Equity (Schedule Of Weighted Average Assumptions Used in Calculating Share-Based Performance Awards) (Details) - Performance Shares [Member]	12 Months Ended
	Sep. 29, 2023	Sep. 30, 2022	Oct. 01, 2021
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Weighted Average Volatility Rate	45.71%	44.04%	43.20%
Average volatility of peer companies	40.74%	46.28%	45.96%
Average correlation coefficient of peer group	0.65	0.65	0.65
Risk free interest rate	4.51%	0.79%	0.25%
Dividend yield	2.80%	1.40%	1.39%