Product Warranty (Warranty Reserve Activity) (Details) - USD ($) $ in Millions |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
Sep. 30, 2026 |
Sep. 30, 2025 |
Sep. 30, 2026 |
Sep. 30, 2025 |
|
| Movement in Standard and Extended Product Warranty Accrual, Increase (Decrease) [Roll Forward] | ||||
| Balance at beginning of period | $ 798.8 | $ 801.0 | $ 814.3 | $ 743.0 |
| Accruals for warranties issued | 99.2 | 119.4 | 311.7 | 299.5 |
| Settlements made and deferred revenue recognized | (105.7) | (111.1) | (321.8) | (307.2) |
| Foreign currency translation | (0.4) | 1.1 | (12.3) | 75.1 |
| Balance at end of period | $ 791.9 | $ 810.4 | $ 791.9 | $ 810.4 |