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v3.25.3

Pension and Other Postemployment Benefits (Details) - USD ($) $ in Millions | 9 Months Ended
--- | ---
Sep. 30, 2025 | Sep. 30, 2024
Defined Benefit Pension Plans [Member] |  |
Components of Net Periodic Benefit Expense |  |
Service cost | $ 3.7 | $ 2.1
Interest cost | 6.1 | 4.9
Expected return on plan assets | (0.6) | (0.6)
Amortization of prior service cost | 2.3 | 0.3
Amortization of actuarial losses | 0.7 | 0.6
Net periodic benefit expense | 12.2 | 7.3
Employer contributions | 0.5 | 1.2
Postemployment Arrangements [Member] |  |
Components of Net Periodic Benefit Expense |  |
Service cost | 1.6 | 2.3
Interest cost | 4.1 | 4.4
Expected return on plan assets | 0.0 | 0.0
Amortization of prior service cost | 2.8 | 3.3
Amortization of actuarial losses | 0.0 | 0.2
Net periodic benefit expense | $ 8.5 | $ 10.2

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