Stock-Based Compensation (Schedule Of Stock Options Activity) (Details) - $ / shares shares in Thousands	12 Months Ended
	Sep. 29, 2018	Sep. 30, 2017	Oct. 01, 2016
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]
Options outstanding at beginning of year (in shares)	766	784	687
Granted (in shares)	245	288	316
Exercised (in shares)	(19)	(112)	(68)
Forfeited or expired (in shares)	(111)	(194)	(151)
Options outstanding at end of year (in shares)	881	766	784
Options eligible for exercise at year-end (in shares)	443	329	331
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Price Per Share [Roll Forward]
Options outstanding at beginning of year, WAEP (in dollars per share)	$ 57.86	$ 60.34	$ 58.17
Granted, WAEP (in dollars per share)	52.30	46.35	61.57
Exercised, WAEP (in dollars per share)	47.26	40.68	41.10
Forfeited or expired, WAEP (in dollars per share)	57.64	60.74	61.74
Options outstanding at end of year, WAEP (in dollars per share)	56.57	57.86	60.34
Options eligible for exercise at year-end, WAEP (in dollars per share)	$ 61.61	$ 64.52	$ 56.23