v3.25.4

Stock-Based Compensation - Schedule of Total Stock-Based Compensation Expense (Details) - USD ($) $ in Millions |  | 3 Months Ended | 6 Months Ended
--- | --- | --- | ---
Sep. 29, 2025 | Dec. 28, 2025 | Sep. 29, 2025 | Dec. 29, 2024 | Dec. 29, 2024
Employee Service share-based Compensation, Allocation of Recognized Period Costs [Line Items] |  |  |  |  |
Total stock-based compensation expense | $ 0.0 | $ 7.6 | $ 13.6 | $ 20.2 | $ 43.9
Cost of revenue, net |  |  |  |  |
Employee Service share-based Compensation, Allocation of Recognized Period Costs [Line Items] |  |  |  |  |
Total stock-based compensation expense | 0.0 | 5.9 | 7.8 | 9.0 | 17.5
Research and development |  |  |  |  |
Employee Service share-based Compensation, Allocation of Recognized Period Costs [Line Items] |  |  |  |  |
Total stock-based compensation expense | 0.0 | 0.3 | 2.2 | 2.9 | 6.1
Sales, general and administrative |  |  |  |  |
Employee Service share-based Compensation, Allocation of Recognized Period Costs [Line Items] |  |  |  |  |
Total stock-based compensation expense | $ 0.0 | $ 1.4 | $ 3.6 | $ 8.3 | $ 20.3

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