Leases - Lease Expense (Details) - USD ($) $ in Thousands	12 Months Ended
	Sep. 24, 2023	Sep. 25, 2022	Sep. 26, 2021
Leases [Abstract]
Operating lease costs	$ 12,688	$ 13,786	$ 14,846
Variable lease costs	1,175	1,201	92
Short-term lease costs	355	217	0
Total Operating Lease Expense	$ 14,218	$ 15,204	$ 14,938
Weighted average remaining lease term (years)	5 years 7 months 4 days
Weighted Average discount rate	7.88%