Property, Plant and Equipment - Assets Held Under Finance Leases (Details) - USD ($) $ in Thousands	Sep. 28, 2024	Sep. 30, 2023
Finance Leased Assets [Line Items]
Total property, plant and equipment held under finance leases, gross	$ 54,065	$ 54,821
Less: accumulated amortization	(18,212)	(17,430)
Total property, plant and equipment held under finance leases, net	35,853	37,391
Buildings and improvements
Finance Leased Assets [Line Items]
Total property, plant and equipment held under finance leases, gross	37,771	37,771
Machinery and equipment
Finance Leased Assets [Line Items]
Total property, plant and equipment held under finance leases, gross	2,868	2,008
Computer hardware and software
Finance Leased Assets [Line Items]
Total property, plant and equipment held under finance leases, gross	$ 13,426	$ 15,042