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Commitments and Contingencies - Narrative (Details) | 3 Months Ended | 6 Months Ended | 42 Months Ended |
--- | --- | --- | --- | ---
Dec. 31, 2023 USD ($) | Jun. 28, 2020 endowedFacultyChair | Dec. 31, 2023 USD ($) | Dec. 25, 2022 USD ($) | Dec. 31, 2023 USD ($) | Mar. 26, 2023 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 |  |  | $ 500,000,000 |  |  |
Reimbursement of property and equipment purchases from long-term incentive agreement |  |  | 79,400,000 | $ 70,700,000 | $ 384,000,000 |
Reimbursement of property and equipment purchases from long-term incentive agreement, receivables |  |  | 116,000,000 |  |  |
Purchase Commitment 2023 |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |
Purchase commitment, amount committed |  |  |  |  |  | $ 200,000,000
Current purchases under agreement | $ 6,300,000 |  | 12,600,000 |  |  |
Product purchases year two | 26,800,000 |  | 26,800,000 |  | 26,800,000 |
Product purchases year three | 36,000,000 |  | 36,000,000 |  | 36,000,000 |
Product purchases year four | 50,100,000 |  | 50,100,000 |  | 50,100,000 |
Product purchases year five | 73,700,000 |  | 73,700,000 |  | 73,700,000 |
Capacity reserve deposit | 60,000,000 |  | 60,000,000 |  | 60,000,000 |
Prepaid supplies | 26,200,000 |  | 26,200,000 |  | 26,200,000 |
Purchase Commitment 2024 |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |
Purchase commitment, amount committed | 86,400,000 |  | 86,400,000 |  | 86,400,000 |
Current purchases under agreement | 4,800,000 |  |  |  |  |
Product purchases year two | 28,800,000 |  | 28,800,000 |  | 28,800,000 |
Product purchases year three | 28,800,000 |  | 28,800,000 |  | 28,800,000 |
Product purchases year four | 9,600,000 |  | 9,600,000 |  | 9,600,000 |
Product purchases year one | 14,400,000 |  | 14,400,000 |  | 14,400,000 |
Minimum |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |
Annual cost of GDA |  |  | 2,700,000 |  |  |
Maximum |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |
Potential total grant amount of GDA | $ 500,000,000 |  | 500,000,000 |  | $ 500,000,000 |
Annual cost of GDA |  |  | $ 5,200,000 |  |  |

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