v3.25.4

Commitments and Contingencies - Narrative (Details) $ in Millions |  |  | 3 Months Ended | 6 Months Ended |  |
--- | --- | --- | --- | --- | --- | ---
Sep. 29, 2025 USD ($) | Jan. 08, 2025 lawsuit | Dec. 28, 2025 USD ($) | Sep. 29, 2025 USD ($) | Dec. 29, 2024 USD ($) | Dec. 28, 2025 USD ($) | Dec. 29, 2024 USD ($) | Jun. 30, 2024 USD ($) | Jun. 25, 2023 USD ($)
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |
Loss contingency, number of additional lawsuits | lawsuit |  | 2 |  |  |  |  |  |  |
Approvals Obtained | Renesas |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |
Restructuring support agreement, cash remitted or retained by company | $ 10.0 |  |  | $ 10.0 |  |  |  |  |
Purchase Commitment 2023 |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |
Purchase commitment, amount committed |  |  |  |  |  |  |  |  | $ 200.0
Current purchases under agreement | 0.0 |  | $ 2.3 | 4.4 | $ 5.8 | $ 6.7 | $ 12.5 |  |
Product purchases remainder of fiscal year |  |  | 32.2 |  |  | 32.2 |  |  |
Product purchases year one |  |  | 38.0 |  |  | 38.0 |  |  |
Product purchases year two |  |  | 40.0 |  |  | 40.0 |  |  |
Product purchases year three |  |  | 42.0 |  |  | 42.0 |  |  |
Capacity reserve deposit |  |  | 60.0 |  |  | 60.0 |  |  |
Prepaid supplies |  |  | 60.0 |  |  | 60.0 |  |  |
Purchase Commitment 2024 |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |
Purchase commitment, amount committed |  |  |  |  |  |  |  | $ 86.4 |
Current purchases under agreement | $ 0.0 |  | 12.0 | $ 7.2 | $ 7.2 |  | $ 14.4 |  |
Product purchases remainder of fiscal year |  |  | 12.0 |  |  | 12.0 |  |  |
Product purchases year one |  |  | 9.6 |  |  | 9.6 |  |  |
Electricity For Siler City, North Carolina Facilities |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |
Purchase commitment, amount committed |  |  | 58.9 |  |  | $ 58.9 |  |  |
Purchase commitment, period |  |  |  |  |  | 4 years |  |  |
Electricity For Durham, North Carolina Facilities |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |
Purchase commitment, amount committed |  |  | $ 24.0 |  |  | $ 24.0 |  |  |
Purchase commitment, period |  |  |  |  |  | 8 years |  |  |

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