Leases (Operating Lease Included in Balance Sheet) (Details) - USD ($) $ in Thousands	Oct. 03, 2020	Sep. 28, 2019
Assets
Operating leases	$ 18,522	$ 20,356
Finance leases	956	1,436
Total leased assets	19,478	21,792
Current liabilities
Operating leases	7,014	7,447
Finance leases	445	570
Non-current
Operating leases	11,508	12,909
Finance leases	511	866
Total lease liabilities	$ 19,478	$ 21,792
Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible List]	us-gaap:OtherAssets	us-gaap:OtherAssets
Finance Lease, Right-of-Use Asset, Statement of Financial Position [Extensible List]	us-gaap:OtherAssets	us-gaap:OtherAssets
Operating Lease, Liability, Current, Statement of Financial Position [Extensible List]	us-gaap:OtherLiabilitiesCurrent	us-gaap:OtherLiabilitiesCurrent
Finance Lease, Liability, Current, Statement of Financial Position [Extensible List]	us-gaap:OtherLiabilitiesCurrent	us-gaap:OtherLiabilitiesCurrent
Operating Lease, Liability, Noncurrent, Statement of Financial Position [Extensible List]	us-gaap:OtherLiabilitiesNoncurrent	us-gaap:OtherLiabilitiesNoncurrent
Finance Lease, Liability, Noncurrent, Statement of Financial Position [Extensible List]	us-gaap:OtherLiabilitiesNoncurrent	us-gaap:OtherLiabilitiesNoncurrent