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Employee Stock Purchase and Stock Incentive Plans (Information Regarding Stock Option Plans) (Details) - $ / shares
 12 Months Ended
Oct. 01, 2021
Oct. 02, 2020
Sep. 27, 2019
At fiscal year end:      
Range of exercise prices for options outstanding, minimum (in dollars per share) $ 37.03 $ 32.51 $ 32.51
Range of exercise prices for options outstanding, maximum (in dollars per share) $ 60.43 $ 60.43 $ 60.43
Number of options exercisable (in shares) 573,984 706,489 860,114
For the fiscal year:      
Range of prices relating to options exercised, minimum (in dollars per share) $ 32.51 $ 37.03 $ 36.88
Range of prices relating to options exercised, maximum (in dollars per share) $ 60.43 $ 60.08 $ 60.43