Shareholders' Equity - Shares of Common Stock (Details) - shares shares in Thousands	12 Months Ended
	Sep. 27, 2025	Sep. 28, 2024	Sep. 30, 2023
Increase (Decrease) in Shares of Common Stock Outstanding [Roll Forward]
Common stock outstanding, beginning balances (in shares)	15,116,786
Common stock repurchased (in shares)	(402,000)
Common stock outstanding, ending balances (in shares)	14,773,260	15,116,786
Common stock
Increase (Decrease) in Shares of Common Stock Outstanding [Roll Forward]
Common stock outstanding, beginning balances (in shares)	15,116,786	15,550,061	15,943,425
Common stock repurchased (in shares)	(401,672)	(499,372)	(471,419)
Common stock issued, net of shares withheld for employee taxes (in shares)	58,146	66,097	78,055
Common stock outstanding, ending balances (in shares)	14,773,260	15,116,786	15,550,061