Employee Stock Purchase and Stock Incentive Plans - Schedule of Unvested Restricted Stock and Restricted Stock Units Roll Forward (Details) - $ / shares	12 Months Ended
	Sep. 29, 2023	Sep. 30, 2022
Share-based Compensation Arrangement by Share-based Payment Award, Options, Nonvested, Number of Shares [Roll Forward]
Granted (in shares)		150,951
Restricted Stock And Restricted Stock Units
Share-based Compensation Arrangement by Share-based Payment Award, Options, Nonvested, Number of Shares [Roll Forward]
Beginning balance outstanding (in shares)	1,375,429
Granted (in shares)	1,192,105
Vested (in shares)	(543,827)
Canceled (in shares)	(133,559)
Ending balance outstanding (in shares)	1,890,148	1,375,429
Share-based Compensation Arrangement by Share-based Payment Award, Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract]
Beginning balance outstanding (in dollars per share)	$ 110.64
Granted (in dollars per share)	122.41
Vested (in dollars per share)	102.14
Canceled (in dollars per share)	121.89
Ending balance outstanding (in dollars per share)	$ 119.71	$ 110.64