Stockholders' Equity, Share-Based Compensation Expense (Details) - USD ($) $ in Millions |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
Jul. 03, 2026 |
Jun. 27, 2025 |
Jul. 03, 2026 |
Jun. 27, 2025 |
|
| Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] | ||||
| Share-based compensation expense | $ 53.2 | $ 55.2 | $ 168.9 | $ 168.9 |
| Cost of goods sold | ||||
| Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] | ||||
| Share-based compensation expense | 10.9 | 8.5 | 34.0 | 21.5 |
| Research and development | ||||
| Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] | ||||
| Share-based compensation expense | 30.0 | 32.8 | 96.4 | 86.0 |
| Selling, general, and administrative | ||||
| Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] | ||||
| Share-based compensation expense | 12.3 | 13.9 | 38.5 | 48.9 |
| Restructuring, impairment, and other charges | ||||
| Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] | ||||
| Share-based compensation expense | $ 0.0 | $ 0.0 | $ 0.0 | $ 12.5 |