Stock-Based Compensation - Schedule of Total Stock-Based Compensation Expense (Details) - USD ($) $ in Millions |
3 Months Ended | 6 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|---|
Mar. 29, 2026 |
Sep. 29, 2025 |
Mar. 30, 2025 |
Mar. 29, 2026 |
Mar. 30, 2025 |
|
| Employee Service share-based Compensation, Allocation of Recognized Period Costs [Line Items] | |||||
| Total stock-based compensation expense | $ 10.3 | $ 13.6 | $ 18.8 | $ 17.9 | $ 62.7 |
| Cost of revenue, net | |||||
| Employee Service share-based Compensation, Allocation of Recognized Period Costs [Line Items] | |||||
| Total stock-based compensation expense | 2.8 | 7.8 | 9.7 | 8.7 | 27.2 |
| Research and development | |||||
| Employee Service share-based Compensation, Allocation of Recognized Period Costs [Line Items] | |||||
| Total stock-based compensation expense | 1.2 | 2.2 | 3.1 | 1.5 | 9.2 |
| Sales, general and administrative | |||||
| Employee Service share-based Compensation, Allocation of Recognized Period Costs [Line Items] | |||||
| Total stock-based compensation expense | $ 6.3 | $ 3.6 | $ 6.0 | $ 7.7 | $ 26.3 |