v3.25.4

Retirement Plans - Amounts Recognized in Other Comprehensive Income (Loss) (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2025 | Dec. 31, 2024 | Dec. 31, 2023
Amounts arising during the period: |  |  |
Pension plan settlement charge | $ 82.8 | $ 0.0 | $ 0.0
Pension Plan |  |  |
Amounts arising during the period: |  |  |
Pension plan settlement charge | 82.8 | 0.0 | 0.0
Net actuarial (loss) gain | 0.0 | (4.9) | 5.1
Amortization of net actuarial loss | 1.2 | 1.2 | 1.0
Total recognized in other comprehensive income (loss) | $ 84.0 | $ (3.7) | $ 6.1

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