Leases (Operating Lease Included in Balance Sheet) (Details) - USD ($) $ in Thousands	Jun. 27, 2020	Sep. 28, 2019
Assets
Operating	$ 20,043	$ 20,356
Financing	1,013	1,436
Total leased assets	21,056	21,792
Current
Operating	7,684	7,447
Financing	506	570
Non-current
Operating	12,359	12,909
Financing	507	866
Total lease liabilities	$ 21,056	$ 21,792
Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible List]	us-gaap:OtherAssetsNoncurrent
Finance Lease, Right-of-Use Asset, Statement of Financial Position [Extensible List]	us-gaap:OtherAssetsNoncurrent
Operating Lease, Liability, Current, Statement of Financial Position [Extensible List]	us-gaap:OtherLiabilitiesCurrent
Finance Lease, Liability, Current, Statement of Financial Position [Extensible List]	us-gaap:OtherLiabilitiesCurrent
Operating Lease, Liability, Noncurrent, Statement of Financial Position [Extensible List]	us-gaap:OtherLiabilitiesNoncurrent
Finance Lease, Liability, Noncurrent, Statement of Financial Position [Extensible List]	us-gaap:OtherLiabilitiesNoncurrent