Leases - Balance Sheet Location of Operating Leases (Details) - USD ($) $ in Thousands	Mar. 30, 2024	Sep. 30, 2023
ROU assets:
Operating lease, right-of-use asset	$ 16,593	$ 12,398
Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration]	Other long-term assets	Other long-term assets
Lease Liabilities:
Operating lease, liability, current	$ 1,891	$ 1,347
Operating Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration]	Accrued expenses and other current liabilities	Accrued expenses and other current liabilities
Operating lease, liability, noncurrent	$ 16,733	$ 12,291
Operating Lease, Liability, Noncurrent, Statement of Financial Position [Extensible Enumeration]	Other long-term liabilities	Other long-term liabilities
Total lease liabilities	$ 18,624	$ 13,638