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Leases - Supplemental Balance Sheet Information (Details) - USD ($) | Dec. 28, 2019 | Sep. 28, 2019
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Lessee, Lease, Description [Line Items] |  |
Finance lease liabilities (current) |  | $ 1,800,000
Finance lease liabilities (non-current) |  | $ 19,200,000
Operating Lease, Weighted Average Remaining Lease Term | 6 years 1 month 2 days |
Finance Lease, Weighted Average Remaining Lease Term | 8 years 4 months 20 days |
Operating Leases, Weighted average discount rate | 1.93% |
Financing Leases, Weighted average discount rate | 5.10% |
Other assets |  |
Lessee, Lease, Description [Line Items] |  |
Operating Leases, Lease right-of-use asset | $ 89,600 |
Property, plant and equipment |  |
Lessee, Lease, Description [Line Items] |  |
Financing Leases, Lease right-of-use asset | 9,900 |
Accrued expenses |  |
Lessee, Lease, Description [Line Items] |  |
Operating lease liabilities (current) | 22,200 |
Finance lease obligations - short term |  |
Lessee, Lease, Description [Line Items] |  |
Finance lease liabilities (current) | 1,800 |
Other long-term liabilities |  |
Lessee, Lease, Description [Line Items] |  |
Operating lease liabilities (non-current) | 72,300 |
Finance lease obligations - long term |  |
Lessee, Lease, Description [Line Items] |  |
Finance lease liabilities (non-current) | $ 18,800 |

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- Definition Amount of lessee's right to use underlying asset under finance lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 45 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=77888419&loc=SL77918627-209977 + Details
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