Share-Based Employee Compensation (Summary Of Stock Equivalent Activity) (Details) $ / shares in Units, $ in Thousands	12 Months Ended
	Oct. 02, 2016 USD ($) $ / shares shares	Sep. 27, 2015 USD ($) $ / shares shares	Sep. 28, 2014 USD ($) shares
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Roll Forward]
Grant date fair value of shares issued in connection with director retirements | $	$ 18,025	$ 33,772	$ 49,621
Deferred Compensation for Non Management Directors [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested [Roll Forward]
Stock awards outstanding, Beginning balance, Shares	79,158
Deferred Directors' Compensation in Current Period, Shares	3,924
StockEquivalentsDuringPeriodSharesDividend	1,282
Stock awards outstanding, Ending balance, Shares	84,364	79,158
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Roll Forward]
Stock awards outstanding, Weighted-Average Grant Date Fair Value, Beginning balance (usd per share) | $ / shares	$ 26.64
Deferred directors' compensation, Weighted-Average Grant Date Fair Value (usd per share) | $ / shares	68.81
StockEquivalentdividendsweightedaveragepersharefairvalue | $ / shares	80.57
Stock awards outstanding, Weighted-Average Grant Date Fair Value, Ending balance (usd per share) | $ / shares	$ 29.43	$ 26.64
Shares issued under stock plans including tax benefit			(10,616)
Grant date fair value of shares issued in connection with director retirements | $			$ 600