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Commitments and Contingencies - Narrative (Details)
 3 Months Ended 6 Months Ended 9 Months Ended
Sep. 26, 2021
USD ($)
Mar. 28, 2021
endowedFacultyChair
Dec. 26, 2021
USD ($)
Dec. 27, 2020
USD ($)
Dec. 26, 2021
USD ($)
Loss Contingencies [Line Items]          
GDA term   13 years      
Duration of annual commitment fee payment of GDA   6 years      
Number of endowed faculty chairs created | endowedFacultyChair   2      
Reduction in property, plant, and equipment     $ 159,000,000    
Reimbursement of property and equipment purchases from long-term incentive agreement     50,800,000 $ 0 $ 61,500,000
Reimbursement of property and equipment purchases from long-term incentive agreement, receivables     $ 97,500,000    
Minimum          
Loss Contingencies [Line Items]          
Annual cost of GDA $ 2,500,000        
Maximum          
Loss Contingencies [Line Items]          
Potential total grant amount of GDA 500,000,000        
Annual cost of GDA $ 5,200,000