STATEMENTS OF CONSOLIDATED COMPREHENSIVE INCOME (UNAUDITED) (Parenthetical) - USD ($) $ in Millions |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2024 |
Jun. 30, 2023 |
Jun. 30, 2024 |
Jun. 30, 2023 |
|
| Supplemental Income Statement Elements [Abstract] | ||||
| Pension and other postretirement benefit adjustments, amounts reclassified from other comprehensive income, tax | $ 1.4 | $ 1.3 | $ 2.9 | $ 3.0 |
| Unrealized net gains on cash flow hedges, amounts reclassified from other comprehensive income, tax | 0.3 | 0.3 | 0.6 | 0.6 |
| Net investment hedge | ||||
| Supplemental Income Statement Elements [Abstract] | ||||
| Foreign currency translation adjustments | $ 5.8 | $ (8.6) | $ 24.1 | $ (12.8) |