Stockholders' Equity, Share-Based Compensation Expense (Details) - USD ($) $ in Millions |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Apr. 03, 2026 |
Mar. 28, 2025 |
Apr. 03, 2026 |
Mar. 28, 2025 |
|
| Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] | ||||
| Share-based compensation expense | $ 58.0 | $ 62.7 | $ 115.7 | $ 113.8 |
| Cost of goods sold | ||||
| Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] | ||||
| Share-based compensation expense | 5.6 | 5.7 | 23.1 | 13.0 |
| Research and development | ||||
| Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] | ||||
| Share-based compensation expense | 36.6 | 27.6 | 66.4 | 53.2 |
| Selling, general, and administrative | ||||
| Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] | ||||
| Share-based compensation expense | 15.8 | 16.9 | 26.2 | 35.1 |
| Restructuring, impairment, and other charges | ||||
| Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] | ||||
| Share-based compensation expense | $ 0.0 | $ 12.5 | $ 0.0 | $ 12.5 |