Benefit Plans and Other Postretirement Benefits, Amount Included in Accumulated Other Comprehensive Loss Not Yet Recognized as Expense (Details) - Pension Plan - USD ($) $ in Millions |
Dec. 31, 2025 |
Dec. 31, 2024 |
|---|---|---|
| Accumulated other comprehensive income (loss), before tax | ||
| Actuarial losses (gains), net | $ 100.2 | $ 124.1 |
| Prior service cost | 4.9 | 4.1 |
| UNITED STATES | ||
| Accumulated other comprehensive income (loss), before tax | ||
| Actuarial losses (gains), net | 112.2 | 122.7 |
| Prior service cost | 4.5 | 3.7 |
| Foreign Plan | ||
| Accumulated other comprehensive income (loss), before tax | ||
| Actuarial losses (gains), net | (12.0) | 1.4 |
| Prior service cost | $ 0.4 | $ 0.4 |