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Benefit Plans
12 Months Ended
Dec. 31, 2024
Defined Benefit Plans and Other Postretirement Benefit Plans Disclosures [Abstract]  
Benefit Plans
401(k) Plan
The Company maintains 401(k) defined contribution plans covering employees in the U.S. The related expense totaled $24.6 million, $25.4 million and $21.9 million in the fiscal years ended December 31, 2024, 2023 and 2022, respectively. During the year ended December 31, 2024, the Company matched employees’ contributions to a maximum of 6% of the employee’s eligible wages. The Company’s Singapore and South Korea subsidiaries also make immaterial contributions to retirement plans that function as defined contribution retirement plans.
Defined Benefit Plans
The employees of the Company’s subsidiaries in Japan, Taiwan, France and Germany are covered in defined benefit pension plans. The benefit obligation was reduced by $1.4 million due to the EC disposition in the year ended December 31, 2023. On December 31, 2023, the Company converted its South Korea defined pension plans to defined contribution plans. As a result of this conversion, the Company settled and paid out to beneficiaries an amount of $2.3 million on January 2, 2024. The Company uses a December 31 measurement date for its pension plans. A summary of these combined plans are:
(In thousands)20242023
Projected benefit obligation$11,606 $12,618 
Fair value of plan assets1,475 1,407 
Plan assets less benefit obligation - net amount recognized(10,131)(11,211)
Accumulated benefit obligation8,996 10,375 
Cash Flows
Benefits for the combined plans were $0.6 million, $1.0 million and $0.7 million in fiscal years 2024, 2023 and 2022, respectively, consisting primarily of service costs. Net service costs are included in Cost of sales and Operating expenses, and
all other costs are recorded in Other expense, net in our Consolidated Statements of Operations. The Company expects to make the following benefit payments:
(In thousands)Payments
2025$592 
2026218 
2027246 
2028361 
2029218 
Years 2030-2034
1,581