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Defined Benefit Plan | 6 Months Ended
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Jun. 30, 2025
Retirement Benefits [Abstract] |
Defined Benefit Plan | Defined Benefit Plan In connection with the acquisition of Arnold, the company has a defined benefit plan covering substantially all of Arnold’s employees at its Lupfig, Switzerland location. The benefits are based on years of service and the employees’ highest average compensation during the specific period. The unfunded liability of $3.4 million is recognized in the consolidated balance sheet as a component of other non-current liabilities at June 30, 2025. Net periodic benefit cost consists of the following for the three and six months ended June 30, 2025 and 2024 (in thousands):
| Three months ended June 30, |  | Six months ended June 30,
| 2025 |  | 2024 |  | 2025 |  | 2024
Service cost | $ | 184 |  |  | $ | 132 |  |  | $ | 350 |  |  | $ | 264 |
Interest cost | 44 |  |  | 60 |  |  | 84 |  |  | 120 |
Expected return on plan assets | (32) |  |  | (49) |  |  | (61) |  |  | (98) |
Amortization of prior service cost | (15) |  |  | — |  |  | (28) |  |  | — |
Amortization of unrecognized loss | 25 |  |  | (11) |  |  | 48 |  |  | (22) |
Effect of settlement | 24 |  |  | — |  |  | 33 |  |  | — |
Net periodic benefit cost | $ | 230 |  |  | $ | 132 |  |  | $ | 426 |  |  | $ | 264 |
During the six months ended June 30, 2025, per the terms of the pension agreement, Arnold contributed approximately $0.3 million to the plan. For the remainder of 2025, the expected contribution to the plan will be approximately $0.2 million. The plan assets are pooled with assets of other participating employers and are not separable; therefore, the fair values of the pension plan assets at June 30, 2025 were considered Level 3.

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- Definition The entire disclosure for an entity's employee compensation and benefit plans, including, but not limited to, postemployment and postretirement benefit plans, defined benefit pension plans, defined contribution plans, non-qualified and supplemental benefit plans, deferred compensation, share-based compensation, life insurance, severance, health care, unemployment and other benefit plans. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 715 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org/715/tableOfContent Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 712 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org/712/tableOfContent Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 710 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org/710/tableOfContent Reference 4: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 718 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org/718/tableOfContent + Details
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