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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 |  |  |  |

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