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Leases - Supplemental Balance Sheet Information (Details) - USD ($) $ in Millions | Sep. 26, 2020 | Dec. 28, 2019
--- | --- | ---
Finance leases: |  |
Property and equipment - gross | $ 10.0 | $ 9.2
Accumulated depreciation and amortization | (2.8) | (1.5)
Property and equipment - net | 7.2 | 7.7
Other accrued liabilities | 2.7 | 2.8
Other long-term liabilities | 8.2 | 10.0
Total finance lease liabilities | 10.9 | 12.8
Operating leases: |  |
Operating lease right-of-use assets | 51.0 | 55.6
Other accrued liabilities | 18.8 | 19.5
Operating lease liabilities | 33.6 | 37.5
Total operating lease liabilities | $ 52.4 | $ 57.0
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Finance Lease, Liability, Noncurrent, Statement of Financial Position [Extensible List] | us-gaap:OtherLiabilitiesNoncurrent |
Operating Lease, Liability, Current, Statement of Financial Position [Extensible List] | us-gaap:OtherAccruedLiabilitiesCurrent |

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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=121609121&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=121603541&loc=SL77918627-209977 + Details
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- Definition Amount, after accumulated amortization, of right-of-use asset from 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=121603541&loc=SL77918627-209977 + Details
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