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Commitments and Contingencies (Details)
$ in Millions
3 Months Ended 6 Months Ended 12 Months Ended
Jun. 29, 2021
USD ($)
item
Mar. 30, 2021
item
Jun. 29, 2021
USD ($)
item
Dec. 29, 2020
USD ($)
item
Commitments and Contingencies        
Estimated cost to complete capital project commitments (in dollars) | $ $ 119.3   $ 119.3 $ 95.9
Number of suppliers providing most of the company's beef | item 3   3  
Lease Agreements        
Commitments and Contingencies        
Number of leases guarantees entity contingently liable | item   7   7
Lease Agreements | Maximum        
Commitments and Contingencies        
Contingently liable amount | $ $ 12.6   $ 12.6 $ 13.0