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v3.26.1

Accumulated Other Comprehensive Loss (Tables) | 3 Months Ended
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Mar. 31, 2026
Equity [Abstract] |
Schedule of Accumulated Balances Related to Each Component of Accumulated Other Comprehensive Loss | The changes in accumulated other comprehensive loss by component were as follows:
(Dollars in millions) | Foreign Currency Translation Adjustments |  | Pension and Other Postretirement Benefits(1) |  | Total
Balance as of December 31, 2025 | $ | (39.5) |  |  | $ | (7.6) |  |  | $ | (47.1) |
Other comprehensive loss before reclassifications | (8.0) |  |  | — |  |  | (8.0) |
Amounts reclassified from accumulated other comprehensive loss | — |  |  | 0.1 |  |  | 0.1 |
Other comprehensive income (loss) | (8.0) |  |  | 0.1 |  |  | (7.9) |
Balance as of March 31, 2026 | $ | (47.5) |  |  | $ | (7.5) |  |  | $ | (55.0) |
Balance as of December 31, 2024 | $ | (86.7) |  |  | $ | (8.6) |  |  | $ | (95.3) |
Other comprehensive income before reclassifications | 17.6 |  |  | — |  |  | 17.6 |
Amounts reclassified from accumulated other comprehensive loss | — |  |  | 0.1 |  |  | 0.1 |
Other comprehensive income | 17.6 |  |  | 0.1 |  |  | 17.7 |
Balance as of March 31, 2025 | $ | (69.1) |  |  | $ | (8.5) |  |  | $ | (77.6) |
(1) Net of taxes of $1.2 million as of March 31, 2026 and December 31, 2025. Net of taxes of $1.5 million as of March 31, 2025 and December 31, 2024.

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