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Commitments and Contingent Liabilities (Tables) | 12 Months Ended
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Dec. 31, 2023
Commitments and Contingencies Disclosure [Abstract] |
Schedule of Net Benefit Costs [Table Text Block] | Components of Net Periodic Benefit Cost The following sets forth the net periodic benefit cost (income) for the periods indicated (in millions):
| 2023 | 2022 | 2021
Service costs | $ | 5.4 |  | $ | 6.6 |  | $ | 8.0 |
Interest costs | 3.4 |  | 0.8 |  | 0.5 |
Expected returns on plan assets | (2.2) |  | (1.0) |  | (1.0) |
Amortization of actuarial losses | (0.1) |  | 0.3 |  | 1.8 |
Amortization of prior service costs | (0.4) |  | (0.3) |  | — |
Curtailments | — |  | — |  | (1.9) |
Settlements | 1.3 |  | (0.2) |  | 1.2 |
Net periodic benefit costs | $ | 7.4 |  | $ | 6.2 |  | $ | 8.6 |
Changes in Projected Benefit Obligations, Fair Value of Plan Assets, and Funded Status of Plan [Table Text Block] | Obligations and Funded Status The following table sets forth the change in benefit obligations, fair value of plan assets and amounts recognized in the Consolidated Balance Sheets for the plans (in millions):
Change in benefit obligation: | 2023 | 2022
Benefit obligation at beginning of year | $ | 129.2 |  | $ | 155.5 |
Service cost | 5.4 |  | 6.6 |
Interest cost | 3.4 |  | 0.8 |
Plan participants' contributions | 3.3 |  | 3.1 |
Actuarial (gain) loss | 14.0 |  | (23.5) |
Gross benefits paid | (1.0) |  | 0.7 |
Plan amendments | (0.7) |  | (1.0) |
Acquisitions | 2.5 |  | — |
Settlements | (10.6) |  | (7.6) |
Foreign currency adjustments | 8.9 |  | (5.4) |
Benefit obligation at end of year | 154.4 |  | 129.2 |
Change in plan assets: |  |
Fair value of plan assets at beginning year | 82.4 |  | 79.4 |
Actual return on plan assets | 1.7 |  | 1.5 |
Employer contributions | 4.7 |  | 4.3 |
Plan participants' contributions | 3.3 |  | 3.1 |
Gross benefits paid | 0.3 |  | 2.8 |
Acquisitions | 2.4 |  | — |
Settlements | (10.5) |  | (7.6) |
Foreign currency adjustments | 7.9 |  | (1.1) |
Fair value of plan assets at end of year | 92.2 |  | 82.4 |
Underfunded status of plans | (62.2) |  | (46.8) |
Amounts recognized in the consolidated balance sheets: |  |
Current liabilities (Accrued payroll and employee benefits) | (2.7) |  | (1.5) |
Noncurrent liabilities (Other long-term liabilities) | (59.5) |  | (45.3) |
Net liability, end of fiscal year | $ | (62.2) |  | $ | (46.8) |
Defined Benefit Plan, Assumptions [Table Text Block] | Assumptions The above actuarial net gains were primarily based on financial, demographic and experience assumptions. The weighted-average assumptions used in computing the benefit obligations were as follows:
| 2023 | 2022
Discount rate | 2.0 | % | 2.6 | %
Compensation rate increase | 1.8 | % | 1.7 | %
The weighted-average assumptions used in computing the net periodic benefit costs were as follows:
| 2023 | 2022 | 2021
Discount rate | 2.5 | % | 0.6 | % | 0.3 | %
Expected long-term rate of return on plan assets | 2.6 | % | 1.3 | % | 1.1 | %
Unrecorded Unconditional Purchase Obligations Disclosure | The annual future fixed and determinable portion of our purchase obligations that have not been recognized on our balance sheet as of December 31, 2023 were as follows in millions:
2024 | $ | 96.4 |
2025 | 24.3 |
2026 | 1.8 |
2027 | 0.1 |
2028 | — |
2029 and thereafter | — |
Recorded Unconditional Purchase Obligations | The annual future fixed and determinable portion of our obligations that have been recognized on our balance sheet as of December 31, 2023 were as follows in millions:
2024 | $ | 4.3 |
2025 | 29.8 |
2026 | 6.7 |
2027 | 4.8 |
2028 | 5.7 |
2029 and thereafter | 70.4 |

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- Definition Tabular disclosure of the components of net benefit costs for pension plans and/or other employee benefit plans including service cost, interest cost, expected return on plan assets, gain (loss), prior service cost or credit, transition asset or obligation, and gain (loss) recognized due to settlements or curtailments. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 715 -SubTopic 20 -Subparagraph (h) -Name Accounting Standards Codification -Paragraph 1 -Section 50 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480506/715-20-50-1 + Details
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