Subsequent Events (Details) - USD ($)		3 Months Ended			4 Months Ended	12 Months Ended
Subsequent Events (Details) - USD ($)	Nov. 19, 2021	Oct. 03, 2021	Jul. 04, 2021	Apr. 11, 2021	Jan. 17, 2021	Oct. 03, 2021	Sep. 27, 2020	Sep. 29, 2019
Subsequent Event [Line Items]
Cash dividends declared per common share (in usd per share)		$ 0.44	$ 0.44	$ 0.40	$ 0.40	$ 1.68	$ 1.20	$ 1.60
Subsequent Event
Subsequent Event [Line Items]
Cash dividends declared per common share (in usd per share)	$ 0.44
Stock buy-back program, authorized amount	$ 200,000,000