Leases (Supplemental Balance Sheet Lease Information) (Details) - USD ($) $ in Thousands	Jan. 03, 2026	Sep. 27, 2025
Leases [Abstract]
Operating lease right-of-use assets	$ 57,586	$ 52,799
Operating lease - Accrued liabilities and other	13,509	11,697
Operating lease - Other long-term liabilities	55,135	52,549
Total operating lease liabilities	$ 68,644	64,246
Operating leases - Accrued liabilities and other	Accrued Liabilities, Current
Operating leases - Other long-term liabilities	Other Liabilities, Noncurrent
Total operating lease liabilities	Liabilities
Finance leases - Property, plant and equipment, at cost	$ 167,768	157,533
Finance leases - Accumulated depreciation	(27,872)	(27,186)
Finance leases - Property, plant, and equipment, net	$ 139,896	130,347
Finance Lease - Property, plant and equipment, net	Property, plant and equipment, net
Finance leases - Accrued liabilities and other	$ 16,010	14,920
Finance leases - Other long-term liabilities	127,824	119,155
Total finance lease liabilities	$ 143,834	$ 134,075
Finance leases - Accrued liabilities and other	Accrued Liabilities, Current
Finance leases - Other long-term liabilities	Other Liabilities, Noncurrent
Total finance lease liabilities	Liabilities
Weighted average remaining lease term - Operating leases	6 years	6 years 2 months 12 days
Weighted average remaining lease term - Financing leases	17 years 1 month 6 days	17 years 7 months 6 days
Weighted average discount rate - Operating leases	5.40%	5.30%
Weighted average discount rate - Finance leases	6.40%	6.40%