Leases Components of Operating Lease Cost (Details) - USD ($) $ in Thousands |
12 Months Ended | |
|---|---|---|
Dec. 27, 2020 |
Dec. 29, 2019 |
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| Operating Lease Costs [Abstract] | ||
| Operating Lease, Cost | $ 26,419 | $ 25,478 |
| Variable Lease, Cost | 515 | 1,103 |
| Lease, Cost | 26,934 | 26,581 |
| Change In Operating Lease Assets and Liabilities Due to Lease Commencements | 9,400 | 11,700 |
| Change In Operating Lease Assets and Liabilities Due to Lease Remeasurement | $ 5,600 | $ 4,300 |
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- Definition Change In Operating Lease Assets and Liabilities Due to Lease Commencements No definition available.
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- Definition Change in operating lease assets and liabilities due to lease remeasurement No definition available.
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- Definition Operating Lease Costs [Abstract] No definition available.
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- Definition Amount of lease cost recognized by lessee for lease contract. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of single lease cost, calculated by allocation of remaining cost of lease over remaining lease term. Includes, but is not limited to, single lease cost, after impairment of right-of-use asset, calculated by amortization of remaining right-of-use asset and accretion of lease liability. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount of variable lease cost, excluded from lease liability, recognized when obligation for payment is incurred for finance and operating leases. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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