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Commitments and Contingencies (Details) - USD ($) $ in Millions | Dec. 27, 2024 | Sep. 27, 2024
--- | --- | ---
Recorded Unconditional Purchase Obligation [Line Items] |  |
Prepaid expenses, current | $ 223.1 | $ 234.8
Wafer Purchases |  |
Recorded Unconditional Purchase Obligation [Line Items] |  |
Deposits assets, current | 141.7 | 141.7
Prepaid expenses, current | 3.6 | 3.0
Deposits assets, noncurrent | 1.1 | 1.3
Prepaid expenses, noncurrent | $ 23.0 | $ 21.8

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