Leases (Supplemental Cash Flow Lease Information) (Details) - USD ($) $ in Thousands	12 Months Ended
Oct. 03, 2020	Sep. 28, 2019	Sep. 29, 2018
Leases [Abstract]
Operating cash flow for operating leases	$ 24,218
Operating cash flow for finance leases	367
Financing cash flow for finance leases	1,167	$ 0	$ 0
Assets obtained in exchange for lease obligations - operating leases	13,738
Assets obtained in exchange for lease obligations - finance leases	$ 11,166

Amount of interest paid on finance lease liability.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 50
-Paragraph 4
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
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- Definition

Amount of cash outflow for principal payment on finance lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
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-Publisher FASB
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- Definition

Amount of cash outflow from operating lease, excluding payments to bring another asset to condition and location necessary for its intended use.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 45
-Paragraph 5
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=121603541&loc=SL77918643-209977

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-Publisher FASB
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Amount of increase in right-of-use asset obtained in exchange for finance lease liability.

+ References

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Amount of increase in right-of-use asset obtained in exchange for operating lease liability.

+ References

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