Earnings per Share (EPS) and Common Stock - Additional Information (Details) - USD ($)	3 Months Ended		9 Months Ended
	Jun. 27, 2020	Jun. 29, 2019	Jun. 27, 2020	Jun. 29, 2019	Sep. 30, 2019
Earnings Per Share And Common Stock [Abstract]
Stock option restricted shares and restricted stock units excluded from computation of EPS, shares	258,256	886,072	130,086	1,027,559
Common stock, shares authorized	500,000,000		500,000,000		500,000,000
Stock repurchase program, authorized amount	$ 1,500,000,000		$ 1,500,000,000
Stock repurchased during period, value		$ 25,000,000		$ 90,000,000