Common Stock Share-Based Compensation - Schedule of Share-Based Compensation Recognized in our Condensed Consolidated Statements of Operations (Details) - Stock-Based Awards - USD ($) $ in Millions |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Dec. 27, 2025 |
Dec. 28, 2024 |
Dec. 27, 2025 |
Dec. 28, 2024 |
|
| Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Line Items] | ||||
| Total | $ 38.7 | $ 34.6 | $ 75.4 | $ 61.8 |
| Cost of revenue | ||||
| Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Line Items] | ||||
| Total | 0.2 | 0.3 | 0.6 | (2.4) |
| Research and development | ||||
| Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Line Items] | ||||
| Total | 21.6 | 15.6 | 42.4 | 30.1 |
| Selling, general, and administrative | ||||
| Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Line Items] | ||||
| Total | $ 16.9 | $ 18.7 | $ 32.4 | $ 34.1 |