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Leases - Weighted Average (Details) - USD ($) $ in Millions | 12 Months Ended
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Dec. 26, 2021 | Dec. 27, 2020
Leases [Abstract] |  |
Operating lease liabilities arising from obtaining right-of-use assets | $ 3.8 | $ 10.2
Finance lease liabilities arising from obtaining right-of-use assets | $ 5.8 | $ 1.1
Weighted-average remaining lease term (in years): |  |
Operating leases | 4 years 6 months 25 days | 5 years 5 months 15 days
Finance leases | 16 years 1 month 20 days | 17 years 8 months 4 days
Weighted-average discount rate: |  |
Operating leases | 6.50% | 6.50%
Finance leases | 6.51% | 6.52%

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