Leases (Supplemental Balance Sheet Lease Information) (Details) - USD ($) $ in Thousands	Apr. 01, 2023	Oct. 01, 2022
Leases [Abstract]
Operating lease right-of-use assets	$ 62,569	$ 69,072
Operating lease - Accrued liabilities and other	11,169	13,002
Operating lease - Other long-term liabilities	61,180	66,167
Total operating lease liabilities	$ 72,349	79,169
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	$ 40,842	30,614
Finance leases - Accumulated depreciation	(7,900)	(5,606)
Finance leases - Property, plant, and equipment, net	$ 32,942	25,008
Finance Lease - Property, plant and equipment, net	Property, plant and equipment, net
Finance leases - Accrued liabilities and other	$ 4,493	3,244
Finance leases - Other long-term liabilities	30,441	23,529
Total finance lease liabilities	$ 34,934	$ 26,773
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	7 years 9 months 18 days	7 years 8 months 12 days
Weighted average remaining lease term - Financing leases	14 years 6 months	16 years 8 months 12 days
Weighted average discount rate - Operating leases	5.10%	5.00%
Weighted average discount rate - Finance leases	5.30%	4.80%