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Equipment, Leasehold Improvements and Software - Components of Depreciation and Amortization Expense (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 24, 2022
Jun. 25, 2021
Jun. 24, 2022
Jun. 25, 2021
Dec. 24, 2021
Property, Plant and Equipment [Line Items]          
Net book value of equipment under finance leases $ 155,564   $ 155,564   $ 133,622
Depreciation expense and amortization 5,866 $ 5,553 11,755 $ 10,660  
Assets held under finance leases          
Property, Plant and Equipment [Line Items]          
Net book value of equipment under finance leases 9,774   9,774   $ 10,874
Excluding assets held under finance leases          
Property, Plant and Equipment [Line Items]          
Depreciation expense and amortization 4,385 3,841 8,800 7,776  
Software          
Property, Plant and Equipment [Line Items]          
Depreciation expense and amortization $ 1,481 $ 1,712 $ 2,955 $ 2,884