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Retirement Benefit Plans | 3 Months Ended
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Mar. 31, 2026
Retirement Benefits [Abstract] |
Pension and Other Postretirement Benefits Disclosure [Text Block] | Retirement Benefit Plans The Company maintains various defined benefit pension plans that provide benefits based on years of service and average compensation during certain periods. The Company's policy is to make contributions to fund these plans within the range allowed by applicable regulations. Plan assets consist primarily of government and corporate bonds and publicly traded stocks. Pension benefits for employees covered under the Company's U.S. and United Kingdom ("U.K.") plans are frozen. Only certain grandfathered employees in the Netherlands still earn retirement benefits under a defined benefit pension plan. All other eligible employees of the Company, including employees whose pension benefits are frozen, receive retirement benefits under defined contribution retirement plans. During 2024, the Company and the trustee initiated a de-risking strategy for the U.K. plan, which resulted in changes to the target asset allocation to fixed income and highly-liquid securities. During 2025, the trustee entered into a buy-in contract for the U.K. plan with a third-party insurance company. The trustee may choose to convert the buy-in policy to a buy-out contract by assigning individual insurance contracts to members. This process may extend for a significant period of time. Until any potential buy-out process is completed, the trustee remains responsible for the administration of the U.K. plan, allocation of non-insured plan assets and payment of employee retirement benefits. If a buy-out of the U.K. plan is completed in the future and the criteria for settlement accounting is satisfied, any amounts relating to the U.K. plan remaining in accumulated other comprehensive income (loss) will be reclassified into earnings. The Company presents the components of net periodic pension expense (benefit), other than service cost, in other (income) expense in the unaudited condensed consolidated statements of operations for its pension plans. Service cost for the Company's pension plan is reported in operating profit. The components of pension expense (benefit) are set forth below:
| THREE MONTHS ENDED |  |
| MARCH 31,
| 2026 |  | 2025 |  |  |  |
U.S. Pension |  |  |  |  |  |  |
Interest cost | $ | 0.5 |  |  | $ | 0.6 |  |  |  |  |
Expected return on plan assets | (0.4) |  |  | (0.6) |  |  |  |  |
Amortization of actuarial loss | 0.4 |  |  | 0.4 |  |  |  |  |
Net periodic pension expense | $ | 0.5 |  |  | $ | 0.4 |  |  |  |  |
Non-U.S. Pension |  |  |  |  |  |  |
Interest cost | 1.5 |  |  | 1.4 |  |  |  |  |
Expected return on plan assets | (1.7) |  |  | (1.2) |  |  |  |  |
Amortization of actuarial loss | 0.7 |  |  | 0.4 |  |  |  |  |
Net periodic pension expense (benefit) | $ | 0.5 |  |  | $ | 0.6 |  |  |  |  |

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