Employee Stock Purchase and Stock Incentive Plans - Schedule of Share-based Compensation, Stock Options, Activity (Details) - $ / shares	12 Months Ended
	Sep. 26, 2025	Sep. 27, 2024	Sep. 29, 2023
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]
Number of stock options outstanding, beginning balance (in shares)	90,796	217,481	439,349
Number of stock options, Exercised (in shares)	(41,618)	(132,898)	(215,649)
Number of stock options, Canceled or expired (in shares)	(841)	(7,608)	(6,219)
Number of stock options, Adjustment to Jacobs awards related to the Separation Transaction (in shares)		13,821
Number of stock options outstanding, ending balance (in shares)	48,337	90,796	217,481
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract]
Weighted Average Exercise Price, beginning balance (in dollars per share)	$ 19.03	$ 31.43	$ 35.77
Weighted Average Exercise Price, Exercised (in dollars per share)	28.45	37.25	40.61
Weighted Average Exercise Price, Canceled or expired (in dollars per share)	11.68	20.44	19.73
Weighted Average Exercise Price, Adjustment to Jacobs awards related to the Separation Transaction (in dollars per share)		0
Weighted Average Exercise Price, ending balance (in dollars per share)	$ 11.03	$ 19.03	$ 31.43