Leases (Supplemental Balance Sheet Lease Information) (Details) - USD ($) $ in Thousands	Oct. 03, 2020	Sep. 28, 2019
Lessee, Lease, Description [Line Items]
Operating lease right-of-use assets	$ 68,393	$ 0
Finance leases - Property, plant and equipment, at cost	13,930
Finance leases - Accumulated depreciation	(1,497)
Finance leases - Property, plant and equipment, net	12,433
Finance leases - Accrued liabilities and other	2,199
Finance leases - Other long-term liabilities	11,392
Total finance lease liabilities	$ 13,591
Weighted average remaining lease term - Operating leases	7 years 4 months 24 days
Weighted average remaining lease term - Finance leases	12 years 3 months 18 days
Weighted average discount rate - Operating leases	4.70%
Weighted average discount rate - Finance leases	4.80%
Accrued Liabilities and Other
Lessee, Lease, Description [Line Items]
Operating leases - Accrued liabilities and other	$ 15,034
Other long-term liabilities
Lessee, Lease, Description [Line Items]
Operating leases - Other long-term liabilities	60,837
Liability
Lessee, Lease, Description [Line Items]
Total operating lease liabilities	$ 75,871