Revenue from Contracts with Customers - Rollforward of Variable Consideration Reserves (Details) - USD ($) $ in Millions |
6 Months Ended | |
|---|---|---|
Jun. 30, 2026 |
Jun. 27, 2025 |
|
| Movement In Contract With Customer Liability [Roll Forward] | ||
| Beginning balance | $ 284.5 | $ 69.3 |
| Provisions | 411.3 | 125.0 |
| Payments or credits | (413.7) | (97.0) |
| Ending balance | 282.1 | 97.3 |
| Rebates and Chargebacks | ||
| Movement In Contract With Customer Liability [Roll Forward] | ||
| Beginning balance | 234.4 | 65.0 |
| Provisions | 389.7 | 122.7 |
| Payments or credits | (394.3) | (96.5) |
| Ending balance | 229.8 | 91.2 |
| Product Returns | ||
| Movement In Contract With Customer Liability [Roll Forward] | ||
| Beginning balance | 48.3 | 4.2 |
| Provisions | 11.6 | 2.3 |
| Payments or credits | (9.7) | (0.5) |
| Ending balance | 50.2 | 6.0 |
| Other Sales Deductions | ||
| Movement In Contract With Customer Liability [Roll Forward] | ||
| Beginning balance | 1.8 | 0.1 |
| Provisions | 10.0 | 0.0 |
| Payments or credits | (9.7) | 0.0 |
| Ending balance | $ 2.1 | $ 0.1 |