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v3.24.3

Pension and Postretirement Benefits (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2024 | Sep. 30, 2023 | Sep. 30, 2024 | Sep. 30, 2023
Components of the net periodic cost for retirement and postretirement benefits |  |  |  |
Pension and postretirement benefits liability | $ 5.0 |  | $ 5.0 |
Domestic Plan |  |  |  |
Components of the net periodic cost for retirement and postretirement benefits |  |  |  |
Service cost | 6.0 | $ 5.4 | 18.0 | $ 16.1
Interest cost | 5.2 | 5.1 | 15.6 | 15.3
Expected return on plan assets | (5.8) | (6.0) | (17.4) | (18.0)
Amortization of unrecognized prior service cost and other costs | 0.0 | 0.0 | 0.0 | 0.1
Amortization of unrecognized net loss | 0.0 | 0.0 | 0.0 | 0.0
Net periodic cost recognized | 5.4 | 4.5 | 16.2 | 13.5
Foreign Plan |  |  |  |
Components of the net periodic cost for retirement and postretirement benefits |  |  |  |
Service cost | 1.3 | 1.2 | 3.9 | 3.5
Interest cost | 3.2 | 2.9 | 9.2 | 8.9
Expected return on plan assets | (2.1) | (1.6) | (6.0) | (5.0)
Amortization of unrecognized prior service cost and other costs | 0.1 | (0.1) | 0.3 | 0.1
Amortization of unrecognized net loss | 0.7 | 0.4 | 2.0 | 1.0
Net periodic cost recognized | 3.2 | 2.8 | 9.4 | 8.5
Postretirement Medical Benefits |  |  |  |
Components of the net periodic cost for retirement and postretirement benefits |  |  |  |
Service cost | 0.0 | 0.0 | 0.0 | 0.0
Interest cost | 0.2 | 0.2 | 0.5 | 0.6
Expected return on plan assets | 0.0 | 0.0 | 0.0 | 0.0
Amortization of unrecognized prior service cost and other costs | 0.0 | 0.0 | 0.1 | 0.1
Amortization of unrecognized net loss | 0.1 | 0.0 | 0.1 | 0.0
Net periodic cost recognized | $ 0.3 | $ 0.2 | $ 0.7 | $ 0.7

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