Stock-Based Compensation (Schedule Of Restricted Stock And Unit Activity) (Details) - $ / shares shares in Thousands	12 Months Ended
	Sep. 30, 2017	Oct. 01, 2016	Oct. 03, 2015
Restricted Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]
Beginning of year (in shares)	0	3	9
Granted (in shares)	0	0	0
Vested (in shares)	0	(3)	(6)
Forfeited (in shares)	0	0	0
End of year (in shares)	0	0	3
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Price Per Share [Roll Forward]
Beginning of year, WAGDFV (in dollars per share)	$ 0.00	$ 57.01	$ 54.16
Granted, WAGDFV (in dollars per share)	0.00	0.00	0.00
Vested, WAGDFV (in dollars per share)	0.00	57.01	53.03
Forfeited, WAGDFV (in dollars per share)	0.00	0.00	0.00
End of year, WAGDFV (in dollars per share)	$ 0.00	$ 0.00	$ 57.01
Restricted Stock Units (RSUs) [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]
Beginning of year (in shares)	165	119	98
Granted (in shares)	157	114	74
Vested (in shares)	(68)	(47)	(47)
Forfeited (in shares)	(31)	(21)	(6)
End of year (in shares)	223	165	119
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Price Per Share [Roll Forward]
Beginning of year, WAGDFV (in dollars per share)	$ 58.98	$ 64.77	$ 60.51
Granted, WAGDFV (in dollars per share)	45.05	55.84	65.93
Vested, WAGDFV (in dollars per share)	59.07	64.69	57.68
Forfeited, WAGDFV (in dollars per share)	53.08	62.15	67.96
End of year, WAGDFV (in dollars per share)	$ 49.95	$ 58.98	$ 64.77