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Commitments and Contingencies - Narrative (Details) | 3 Months Ended | 12 Months Ended
--- | --- | ---
Jun. 27, 2021 USD ($) endowedFacultyChair | Jun. 27, 2021 USD ($) | Jun. 28, 2020 USD ($) | Jun. 30, 2019 USD ($)
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 |  | $ 27,100,000 |  |
Reimbursement of property and equipment purchases from long-term incentive agreement |  | 10,700,000 | $ 0 | $ 0
Receivables | $ 4,600,000 | 4,600,000 |  |
Other assets | 11,800,000 | 11,800,000 |  |
Minimum |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Annual cost of GDA | 2,500,000 |  |  |
Maximum |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Potential total grant amount of GDA | 500,000,000.0 | $ 500,000,000.0 |  |
Annual cost of GDA | $ 5,200,000 |  |  |

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