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Leases - Supplemental Balance Sheet Information (Details) - USD ($) $ in Millions | Sep. 28, 2019 | Dec. 30, 2018 | Dec. 29, 2018
--- | --- | --- | ---
Finance leases: |  |  |
Property and equipment - gross | $ 9.2 |  |
Accumulated depreciation and amortization | (1.1) |  |
Property and equipment - net | 8.1 | $ 7.8 | $ 7.8
Other accrued liabilities | 2.9 | 1.2 | 1.2
Other long-term liabilities | 10.8 | 6.6 | $ 6.6
Total finance lease liabilities | 13.7 |  |
Operating leases: |  |  |
Operating lease right-of-use assets | 52.4 | 60.5 |
Other accrued liabilities | 19.3 | 20.2 |
Operating lease liabilities | 34.3 | $ 40.4 |
Total operating lease liabilities | $ 53.6 |  |

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- Definition Present value of lessee's discounted obligation for lease payments from finance lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=77888426&loc=SL77918701-209980 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 45 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=77888419&loc=SL77918627-209977 + Details
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