Product Warranty (Warranty Reserve Activity) (Details) - USD ($) $ in Millions |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2025 |
Jun. 30, 2026 |
Jun. 30, 2025 |
|
| Movement in Standard and Extended Product Warranty Accrual, Increase (Decrease) [Roll Forward] | ||||
| Balance at beginning of period | $ 817.4 | $ 746.6 | $ 814.3 | $ 743.0 |
| Accruals for warranties issued | 102.0 | 113.7 | 212.5 | 180.1 |
| Settlements made and deferred revenue recognized | (114.6) | (107.0) | (216.1) | (196.1) |
| Foreign currency translation | (6.0) | 47.7 | (11.9) | 74.0 |
| Balance at end of period | $ 798.8 | $ 801.0 | $ 798.8 | $ 801.0 |