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v3.24.3

Postretirement and Other Benefits (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2024 | Sep. 30, 2023 | Sep. 30, 2024 | Sep. 30, 2023
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |  |  |  |
Qualified defined contribution plan costs | $ 3.9 | $ 3.2 | $ 11.3 | $ 10.9
Pension Benefits | U.S. |  |  |  |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |  |  |  |
Service cost | 0.4 | 0.4 | 1.0 | 1.2
Interest cost | 4.2 | 4.4 | 12.7 | 13.3
Expected return on plan assets | (5.6) | (5.5) | (16.8) | (16.6)
Amortizations and other | 0.0 | 0.0 | 0.0 | 0.0
Net pension cost (benefit) | (1.0) | (0.7) | (3.1) | (2.1)
Pension Benefits | Non-U.S. |  |  |  |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |  |  |  |
Service cost | 0.3 | 0.3 | 0.9 | 0.8
Interest cost | 2.3 | 2.1 | 6.7 | 6.3
Expected return on plan assets | (1.6) | (1.1) | (4.6) | (3.3)
Amortizations and other | 0.0 | 0.1 | 0.0 | 0.4
Net pension cost (benefit) | 1.0 | 1.4 | 3.0 | 4.2
Other Post-employment Plans | U.S. |  |  |  |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |  |  |  |
Service cost | 0.0 | 0.0 | 0.1 | 0.1
Interest cost | 0.3 | 0.3 | 0.8 | 0.9
Expected return on plan assets | 0.0 | 0.0 | 0.0 | 0.0
Amortizations and other | 0.0 | 0.0 | 0.0 | 0.0
Net pension cost (benefit) | 0.3 | 0.3 | 0.9 | 1.0
Other Post-employment Plans | Non-U.S. |  |  |  |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |  |  |  |
Service cost | 0.3 | 0.3 | 0.9 | 0.9
Interest cost | 0.0 | 0.0 | 0.1 | 0.1
Expected return on plan assets | 0.0 | 0.0 | 0.0 | 0.0
Amortizations and other | 0.0 | 0.0 | 0.0 | 0.0
Net pension cost (benefit) | $ 0.3 | $ 0.3 | $ 1.0 | $ 1.0

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