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Comprehensive Income (Changes in AOCI) (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023
Changes in AOCI by component (net of tax) [Roll Forward] |  |
Beginning balance | $ (56.9) | $ (90.6)
Other comprehensive loss before reclassifications | (38.9) | 14.7
Amounts reclassified from AOCL | 2.1 | 19.0
Net other comprehensive income (loss) | (36.8) | 33.7
Ending balance | (93.7) | (56.9)
Gains (Losses) on Cash Flow Hedges [Member] |  |
Changes in AOCI by component (net of tax) [Roll Forward] |  |
Beginning balance | (2.0) | (4.9)
Other comprehensive loss before reclassifications | (0.2) | 2.6
Amounts reclassified from AOCL | 0.7 | 0.3
Net other comprehensive income (loss) | 0.5 | 2.9
Ending balance | (1.5) | (2.0)
Defined Benefit Plan Items [Member] |  |
Changes in AOCI by component (net of tax) [Roll Forward] |  |
Beginning balance | (44.2) | (46.2)
Other comprehensive loss before reclassifications | (2.9) | (0.9)
Amounts reclassified from AOCL | 1.4 | 2.9
Net other comprehensive income (loss) | (1.5) | 2.0
Ending balance | (45.7) | (44.2)
Foreign Currency Translation Adjustments [Member] |  |
Changes in AOCI by component (net of tax) [Roll Forward] |  |
Beginning balance | (11.3) | (39.0)
Other comprehensive loss before reclassifications | (35.6) | 11.9
Amounts reclassified from AOCL | 0.0 | 15.8
Net other comprehensive income (loss) | (35.6) | 27.7
Ending balance | (46.9) | (11.3)
Accumulated Defined Benefit Plans Adjustment Attributable to Noncontrolling Interest [Member] |  |
Changes in AOCI by component (net of tax) [Roll Forward] |  |
Beginning balance | 0.6 | (0.5)
Other comprehensive loss before reclassifications | (0.2) | 1.1
Amounts reclassified from AOCL | 0.0 | 0.0
Net other comprehensive income (loss) | (0.2) | 1.1
Ending balance | $ 0.4 | $ 0.6

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