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Pension and Other Postretirement Benefit Plans (Tables) | 12 Months Ended
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Dec. 31, 2024
Retirement Benefits [Abstract] |
Change in Benefit Obligation and Plan Assets | A reconciliation of the change in benefit obligation for the years ended December 31, 2024 and 2023, is shown below (in millions):
| Pension |  |  | Other Postretirement
| December 31, 2024 |  | December 31, 2023 |  |  | December 31, 2024 |  | December 31, 2023
| U.S. |  | Foreign |  | U.S. |  | Foreign |  |  | U.S. |  | Foreign |  | U.S. |  | Foreign
Change in benefit obligation: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Benefit obligation at beginning of period | $ | 405.3 |  |  | $ | 373.8 |  |  | $ | 387.9 |  |  | $ | 339.5 |  |  |  | $ | 29.1 |  |  | $ | 15.7 |  |  | $ | 29.1 |  |  | $ | 17.6 |
Service cost | — |  |  | 4.1 |  |  | — |  |  | 3.4 |  |  |  | — |  |  | — |  |  | — |  |  | — |
Interest cost | 20.4 |  |  | 15.4 |  |  | 20.7 |  |  | 16.7 |  |  |  | 1.4 |  |  | 0.7 |  |  | 1.5 |  |  | 0.9 |
Actuarial (gains) losses | (22.6) |  |  | (4.1) |  |  | 18.5 |  |  | 26.5 |  |  |  | 0.1 |  |  | 1.1 |  |  | 0.7 |  |  | (1.8) |
Benefits paid | (22.3) |  |  | (23.4) |  |  | (21.8) |  |  | (21.8) |  |  |  | (2.7) |  |  | (1.6) |  |  | (2.2) |  |  | (1.4) |
Benefits paid - lump-sum payout (1) | (52.7) |  |  | — |  |  | — |  |  | — |  |  |  | — |  |  | — |  |  | — |  |  | — |
Curtailment | — |  |  | (0.6) |  |  | — |  |  | — |  |  |  | — |  |  | — |  |  | — |  |  | — |
Translation adjustment | — |  |  | (24.2) |  |  | — |  |  | 9.5 |  |  |  | — |  |  | (1.2) |  |  | — |  |  | 0.4 |
Benefit obligation at end of period | $ | 328.1 |  |  | $ | 341.0 |  |  | $ | 405.3 |  |  | $ | 373.8 |  |  |  | $ | 27.9 |  |  | $ | 14.7 |  |  | $ | 29.1 |  |  | $ | 15.7 |
A reconciliation of the change in plan assets for the years ended December 31, 2024 and 2023, and the funded status as of December 31, 2024 and 2023, are shown below (in millions):
| Pension |  |  | Other Postretirement
| December 31, 2024 |  | December 31, 2023 |  |  | December 31, 2024 |  | December 31, 2023
| U.S. |  | Foreign |  | U.S. |  | Foreign |  |  | U.S. |  | Foreign |  | U.S. |  | Foreign
Change in plan assets: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Fair value of plan assets at beginning of period | $ | 368.2 |  |  | $ | 331.0 |  |  | $ | 348.5 |  |  | $ | 307.0 |  |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |
Actual return on plan assets | 9.7 |  |  | 14.5 |  |  | 38.5 |  |  | 31.4 |  |  |  | — |  |  | — |  |  | — |  |  | — |
Employer contributions | 2.2 |  |  | 4.6 |  |  | 3.0 |  |  | 5.3 |  |  |  | 2.7 |  |  | 1.6 |  |  | 2.2 |  |  | 1.4 |
Benefits paid | (22.3) |  |  | (23.4) |  |  | (21.8) |  |  | (21.8) |  |  |  | (2.7) |  |  | (1.6) |  |  | (2.2) |  |  | (1.4) |
Benefits paid - lump-sum payout (1) | (52.7) |  |  | — |  |  | — |  |  | — |  |  |  | — |  |  | — |  |  | — |  |  | — |
Translation adjustment | — |  |  | (22.7) |  |  | — |  |  | 9.1 |  |  |  | — |  |  | — |  |  | — |  |  | — |
Fair value of plan assets at end of period | 305.1 |  |  | 304.0 |  |  | 368.2 |  |  | 331.0 |  |  |  | — |  |  | — |  |  | — |  |  | — |
Funded status | $ | (23.0) |  |  | $ | (37.0) |  |  | $ | (37.1) |  |  | $ | (42.8) |  |  |  | $ | (27.9) |  |  | $ | (14.7) |  |  | $ | (29.1) |  |  | $ | (15.7) |
(1) See lump-sum payout below
Amounts Recognized in Consolidated Balance Sheet | A summary of amounts recognized in the consolidated balance sheets as of December 31, 2024 and 2023, is shown below (in millions):
| Pension |  |  | Other Postretirement
| December 31, 2024 |  | December 31, 2023 |  |  | December 31, 2024 |  | December 31, 2023
| U.S. |  | Foreign |  | U.S. |  | Foreign |  |  | U.S. |  | Foreign |  | U.S. |  | Foreign
Amounts recognized in the consolidated balance sheet: |  |  |  |  |  |  |  |  |
Other long-term assets | $ | 3.0 |  |  | $ | 65.5 |  |  | $ | 0.5 |  |  | $ | 67.1 |  |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |
Accrued liabilities | (1.8) |  |  | (3.6) |  |  | (2.1) |  |  | (3.5) |  |  |  | (2.6) |  |  | (1.2) |  |  | (2.6) |  |  | (1.3) |
Other long-term liabilities | (24.2) |  |  | (98.9) |  |  | (35.5) |  |  | (106.4) |  |  |  | (25.3) |  |  | (13.5) |  |  | (26.5) |  |  | (14.4) |
Funded status | $ | (23.0) |  |  | $ | (37.0) |  |  | $ | (37.1) |  |  | $ | (42.8) |  |  |  | $ | (27.9) |  |  | $ | (14.7) |  |  | $ | (29.1) |  |  | $ | (15.7) |
Pension Plans with Accumulated Benefit Obligations in Excess of Plan Assets | As of December 31, 2024 and 2023, the majority of the Company's pension plans had accumulated benefit obligations in excess of plan assets. Information related to pension plans with accumulated benefit obligations in excess of plan assets is shown below (in millions):
December 31, | 2024 |  | 2023
Projected benefit obligation | $ | 316.0 |  |  | $ | 515.2 |
Accumulated benefit obligation | 308.5 |  |  | 505.5 |
Fair value of plan assets | 187.4 |  |  | 368.2 |
Amounts Recognized in Other Comprehensive Income (Loss) | Pretax amounts recognized in other comprehensive income (loss) for the years ended December 31, 2024 and 2023, is shown below (in millions):
| Pension |  |  | Other Postretirement
| December 31, 2024 |  | December 31, 2023 |  |  | December 31, 2024 |  | December 31, 2023
| U.S. |  | Foreign |  | U.S. |  | Foreign |  |  | U.S. |  | Foreign |  | U.S. |  | Foreign
Unrecognized amounts in AOCL at beginning of period | $ | (58.3) |  |  | $ | (72.1) |  |  | $ | (58.9) |  |  | $ | (61.2) |  |  |  | $ | 35.1 |  |  | $ | 5.9 |  |  | $ | 39.2 |  |  | $ | 4.2 |
Actuarial gains (losses) recognized: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Reclassification adjustments | 1.0 |  |  | 1.9 |  |  | 1.0 |  |  | 1.9 |  |  |  | (3.0) |  |  | (0.3) |  |  | (3.3) |  |  | (0.2) |
Actuarial gains (losses) arising during the period | 10.7 |  |  | 3.0 |  |  | (0.3) |  |  | (11.0) |  |  |  | (1.3) |  |  | (1.1) |  |  | (0.7) |  |  | 1.8 |
Effect of settlements | 6.5 |  |  | (0.1) |  |  | (0.1) |  |  | (0.4) |  |  |  | — |  |  | — |  |  | — |  |  | — |
Prior service credit recognized: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Reclassification adjustments | — |  |  | — |  |  | — |  |  | — |  |  |  | (0.1) |  |  | — |  |  | (0.1) |  |  | — |
Translation adjustment | — |  |  | 5.8 |  |  | — |  |  | (1.4) |  |  |  | — |  |  | (0.4) |  |  | — |  |  | 0.1 |
Amounts recognized in OCIL during the period | 18.2 |  |  | 10.6 |  |  | 0.6 |  |  | (10.9) |  |  |  | (4.4) |  |  | (1.8) |  |  | (4.1) |  |  | 1.7 |
Unrecognized amounts in AOCL at end of period | $ | (40.1) |  |  | $ | (61.5) |  |  | $ | (58.3) |  |  | $ | (72.1) |  |  |  | $ | 30.7 |  |  | $ | 4.1 |  |  | $ | 35.1 |  |  | $ | 5.9 |
Amounts Recorded in Accumulated Other Comprehensive Loss Not Yet Recognized in Net Periodic Benefit Cost (Credit) | Pretax amounts recorded in accumulated other comprehensive loss not yet recognized in net periodic benefit cost (credit) as of December 31, 2024 and 2023, are shown below (in millions):
| Pension |  |  | Other Postretirement
| December 31, 2024 |  | December 31, 2023 |  |  | December 31, 2024 |  | December 31, 2023
| U.S. |  | Foreign |  | U.S. |  | Foreign |  |  | U.S. |  | Foreign |  | U.S. |  | Foreign
Net unrecognized actuarial gains (losses) | $ | (40.1) |  |  | $ | (61.0) |  |  | $ | (58.3) |  |  | $ | (71.6) |  |  |  | $ | 30.0 |  |  | $ | 4.0 |  |  | $ | 34.2 |  |  | $ | 5.8 |
Prior service credit (cost) | — |  |  | (0.5) |  |  | — |  |  | (0.5) |  |  |  | 0.7 |  |  | 0.1 |  |  | 0.9 |  |  | 0.1 |
Unrecognized amounts in AOCL at end of period | $ | (40.1) |  |  | $ | (61.5) |  |  | $ | (58.3) |  |  | $ | (72.1) |  |  |  | $ | 30.7 |  |  | $ | 4.1 |  |  | $ | 35.1 |  |  | $ | 5.9 |
Components of Net Periodic Benefit Cost (Credit) | The components of the Company's net periodic pension benefit cost (credit) are shown below (in millions):
| Year Ended December 31,
| 2024 |  | 2023 |  | 2022
Pension | U.S. |  | Foreign |  | U.S. |  | Foreign |  | U.S. |  | Foreign
Service cost | $ | — |  |  | $ | 4.1 |  |  | $ | — |  |  | $ | 3.4 |  |  | $ | — |  |  | $ | 4.2 |
Interest cost | 20.4 |  |  | 15.4 |  |  | 20.7 |  |  | 16.7 |  |  | 15.5 |  |  | 11.2 |
Expected return on plan assets | (21.6) |  |  | (14.7) |  |  | (20.3) |  |  | (16.2) |  |  | (23.9) |  |  | (17.2) |
Amortization of actuarial loss | 1.0 |  |  | 1.9 |  |  | 1.0 |  |  | 1.9 |  |  | 2.0 |  |  | 4.1 |
Curtailment gain | — |  |  | (0.6) |  |  | — |  |  | — |  |  | — |  |  | — |
Settlement (gains) losses | 6.5 |  |  | (0.1) |  |  | (0.1) |  |  | (0.4) |  |  | 0.4 |  |  | (0.2) |
Net periodic benefit cost (credit) | $ | 6.3 |  |  | $ | 6.0 |  |  | $ | 1.3 |  |  | $ | 5.4 |  |  | $ | (6.0) |  |  | $ | 2.1 |
The components of the Company's net periodic other postretirement benefit cost (credit) are shown below (in millions):
| Year Ended December 31,
| 2024 |  | 2023 |  | 2022
Other Postretirement | U.S. |  | Foreign |  | U.S. |  | Foreign |  | U.S. |  | Foreign
Interest cost | $ | 1.4 |  |  | $ | 0.7 |  |  | $ | 1.5 |  |  | $ | 0.9 |  |  | $ | 1.5 |  |  | $ | 0.7 |
Amortization of actuarial gains | (3.0) |  |  | (0.3) |  |  | (3.3) |  |  | (0.2) |  |  | (1.2) |  |  | — |
Amortization of prior service credit | (0.1) |  |  | — |  |  | (0.1) |  |  | — |  |  | (0.1) |  |  | — |
Net periodic benefit cost (credit) | $ | (1.7) |  |  | $ | 0.4 |  |  | $ | (1.9) |  |  | $ | 0.7 |  |  | $ | 0.2 |  |  | $ | 0.7 |
Weighted Average Actuarial Assumptions Used | The weighted average actuarial assumptions used in determining the benefit obligations are shown below:
| Pension |  | Other Postretirement
December 31, | 2024 |  | 2023 |  | 2024 |  | 2023
Discount rate: |  |  |  |  |  |  |
Domestic plans | 5.7% |  | 5.2% |  | 5.5% |  | 5.1%
Foreign plans | 4.5% |  | 4.4% |  | 4.6% |  | 4.6%
Rate of compensation increase: |  |  |  |  |  |  |
Foreign plans | 2.6% |  | 2.6% |  | N/A |  | N/A
The weighted average actuarial assumptions used in determining the net periodic benefit cost (credit) are shown below:
For the year ended December 31, | 2024 |  | 2023 |  | 2022
Pension |  |  |  |  |
Discount rate: |  |  |  |  |
Domestic plans | 5.2 | % |  | 5.5 | % |  | 3.0 | %
Foreign plans | 4.4 | % |  | 5.0 | % |  | 2.5 | %
Expected return on plan assets: |  |  |  |  |
Domestic plans | 6.0 | % |  | 6.0 | % |  | 5.5 | %
Foreign plans | 4.7 | % |  | 5.4 | % |  | 4.6 | %
Rate of compensation increase: |  |  |  |  |
Foreign plans | 2.6 | % |  | 2.5 | % |  | 3.5 | %
Other postretirement |  |  |  |  |
Discount rate: |  |  |  |  |
Domestic plans | 5.1 | % |  | 5.5 | % |  | 2.8 | %
Foreign plans | 4.6 | % |  | 5.3 | % |  | 3.1 | %
Assumed Health Care Cost Trend Rates | The assumed healthcare cost trend rates used to measure the postretirement benefit obligation as of December 31, 2024, are shown below:
| U.S. Plans |  | Foreign Plans
Initial healthcare cost trend rate | 7.0% |  | 4.4%
Ultimate healthcare cost trend rate | 5.0% |  | 4.0%
Year ultimate healthcare cost trend rate achieved | 2032 |  | 2040
Pension Plan Assets by Asset Category and Fair Value Hierarchy | Fair value measurements and the related valuation techniques and fair value hierarchy level for the Company's pension plan assets measured at fair value on a recurring basis as of December 31, 2024 and 2023, are shown below (in millions):
| December 31, 2024
| Total |  | Level 1 |  | Level 2 |  | Level 3 |  | Valuation Technique
U.S. Plans: |  |  |  |  |  |  |  |  |
Equity securities - |  |  |  |  |  |  |  |  |
Equity funds | $ | 22.9 |  |  | $ | 17.8 |  |  | $ | 5.1 |  |  | $ | — |  |  | Market
Common stock | 23.0 |  |  | 20.4 |  |  | 2.6 |  |  | — |  |  | Market
Fixed income - |  |  |  |  |  |  |  |  |
Fixed income funds | 78.1 |  |  | 78.1 |  |  | — |  |  | — |  |  | Market
Corporate bonds | 100.0 |  |  | — |  |  | 100.0 |  |  | — |  |  | Market
Government obligations | 32.9 |  |  | — |  |  | 32.9 |  |  | — |  |  | Market
Cash and short-term investments | 6.4 |  |  | 4.8 |  |  | 1.6 |  |  | — |  |  | Market
Assets at fair value | 263.3 |  |  | $ | 121.1 |  |  | $ | 142.2 |  |  | $ | — |  |  |
Investments measured at net asset value - |  |  |  |  |  |  |  |  |
Alternative investments | 41.8 |  |  |  |  |  |  |  |  |
Assets at fair value | $ | 305.1 |  |  |  |  |  |  |  |  |
Foreign Plans: |  |  |  |  |  |  |  |  |
Equity securities - |  |  |  |  |  |  |  |  |
Equity funds | $ | 27.2 |  |  | $ | 27.2 |  |  | $ | — |  |  | $ | — |  |  | Market
Common stock | 19.3 |  |  | 19.3 |  |  | — |  |  | — |  |  | Market
Fixed income - |  |  |  |  |  |  |  |  |
Fixed income funds | 43.8 |  |  | — |  |  | 43.8 |  |  | — |  |  | Market
Corporate bonds | 26.4 |  |  | — |  |  | 26.4 |  |  | — |  |  | Market
Government obligations | 163.9 |  |  | — |  |  | 163.9 |  |  | — |  |  | Market
Cash and short-term investments | 6.5 |  |  | 4.6 |  |  | 1.9 |  |  | — |  |  | Market
Assets at fair value | 287.1 |  |  | $ | 51.1 |  |  | $ | 236.0 |  |  | $ | — |  |  |
Investments measured at net asset value - |  |  |  |  |  |  |  |  |
Alternative investments | 16.9 |  |  |  |  |  |  |  |  |
Assets at fair value | $ | 304.0 |  |  |  |  |  |  |  |  |
| December 31, 2023
| Total |  | Level 1 |  | Level 2 |  | Level 3 |  | Valuation Technique
U.S. Plans: |  |  |  |  |  |  |  |  |
Equity securities - |  |  |  |  |  |  |  |  |
Equity funds | $ | 58.7 |  |  | $ | 46.6 |  |  | $ | 12.1 |  |  | $ | — |  |  | Market
Common stock | 50.3 |  |  | 44.9 |  |  | 5.4 |  |  | — |  |  | Market
Fixed income - |  |  |  |  |  |  |  |  |
Fixed income funds | 74.7 |  |  | 74.7 |  |  | — |  |  | — |  |  | Market
Corporate bonds | 95.4 |  |  | — |  |  | 95.4 |  |  | — |  |  | Market
Government obligations | 18.6 |  |  | — |  |  | 18.6 |  |  | — |  |  | Market
Cash and short-term investments | 8.3 |  |  | 6.8 |  |  | 1.5 |  |  | — |  |  | Market
Assets at fair value | 306.0 |  |  | $ | 173.0 |  |  | $ | 133.0 |  |  | $ | — |  |  |
Investments measured at net asset value - |  |  |  |  |  |  |  |  |
Alternative investments | 62.2 |  |  |  |  |  |  |  |  |
Assets at fair value | $ | 368.2 |  |  |  |  |  |  |  |  |
Foreign Plans: |  |  |  |  |  |  |  |  |
Equity securities - |  |  |  |  |  |  |  |  |
Equity funds | $ | 30.4 |  |  | $ | — |  |  | $ | 30.4 |  |  | $ | — |  |  | Market
Common stock | 18.4 |  |  | 18.4 |  |  | — |  |  | — |  |  | Market
Fixed income - |  |  |  |  |  |  |  |  |
Fixed income funds | 49.5 |  |  | — |  |  | 49.5 |  |  | — |  |  | Market
Corporate bonds | 23.9 |  |  | — |  |  | 23.9 |  |  | — |  |  | Market
Government obligations | 175.7 |  |  | — |  |  | 175.7 |  |  | — |  |  | Market
Cash and short-term investments | 13.5 |  |  | 9.3 |  |  | 4.2 |  |  | — |  |  | Market
Assets at fair value | 311.4 |  |  | $ | 27.7 |  |  | $ | 283.7 |  |  | $ | — |  |  |
Investments measured at net asset value - |  |  |  |  |  |  |  |  |
Alternative investments | 19.6 |  |  |  |  |  |  |  |  |
Assets at fair value | $ | 331.0 |  |  |  |  |  |  |  |  |
Expected Benefit Payments | As of December 31, 2024, the Company's estimate of expected benefit payments in each of the five succeeding years and in the aggregate for the five years thereafter are shown below (in millions):
| Pension |  |  | Other Postretirement
Year | U.S. |  | Foreign |  |  | U.S. |  | Foreign
2025 | $ | 22.6 |  |  | $ | 23.0 |  |  |  | $ | 2.7 |  |  | $ | 1.2 |
2026 | 23.5 |  |  | 22.2 |  |  |  | 2.6 |  |  | 1.2 |
2027 | 23.1 |  |  | 23.5 |  |  |  | 2.6 |  |  | 1.2 |
2028 | 23.6 |  |  | 24.3 |  |  |  | 2.6 |  |  | 1.2 |
2029 | 24.0 |  |  | 24.9 |  |  |  | 2.5 |  |  | 1.2 |
Five years thereafter | 121.9 |  |  | 129.6 |  |  |  | 11.2 |  |  | 5.1 |
Information Related to Multi-Employer Pension Plans | Detailed information related to these plans is shown below (amounts in millions):
| Pension Protection Act Zone Status |  |  |  |  |  | Contributions to Multiemployer Pension Plans
Employer Identification Number ("EIN") | December 31, 2023 Certification |  | December 31, 2022 Certification |  | FIP/RP (1) Pending or Implemented |  | Surcharge |  | Year Ended December 31, 2024 |  | Year Ended December 31, 2023 |  | Year Ended December 31, 2022
51-6099782-001 | Green |  | Green |  | Yes |  | No |  | $ | 1.6 |  |  | $ | 0.8 |  |  | $ | 0.8 |
13-6130178-001 | Red |  | Red |  | Yes |  | No |  | 0.3 |  |  | 0.4 |  |  | 0.4 |
(1) Funding improvement plan or rehabilitation plan as defined by Employment Retirement Security Act of 1974.

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