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Defined Benefit Plan
 6 Months Ended
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,
2025202420252024
Service cost$184 $132 $350 $264 
Interest cost44 60 84 120 
Expected return on plan assets(32)(49)(61)(98)
Amortization of prior service cost(15)— (28)— 
Amortization of unrecognized loss25 (11)48 (22)
Effect of settlement24 — 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.