Shareholders' Equity - Shares of Common Stock (Details) - shares shares in Thousands	12 Months Ended
	Sep. 30, 2023	Sep. 24, 2022	Sep. 25, 2021
Increase (Decrease) in Shares of Common Stock Outstanding [Roll Forward]
Common stock outstanding, beginning balances (in shares)	15,943,425
Common stock repurchased (in shares)	(471,000)
Common stock outstanding, ending balances (in shares)	15,550,061	15,943,425
Common stock
Increase (Decrease) in Shares of Common Stock Outstanding [Roll Forward]
Common stock outstanding, beginning balances (in shares)	15,943,425	16,426,786	16,976,763
Common stock repurchased (in shares)	(471,419)	(568,589)	(656,340)
Common stock issued, net of shares withheld for employee taxes (in shares)	78,055	85,228	106,363
Common stock outstanding, ending balances (in shares)	15,550,061	15,943,425	16,426,786