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Employee Benefit Plans
3 Months Ended
Apr. 02, 2022
Retirement Benefits [Abstract]  
Employee Benefit Plans Employee Benefit Plans
Net pension cost for the three months ended April 2, 2022 and April 3, 2021 includes the following components (in thousands):
Pension Benefits
 Three Months Ended
 April 2,
2022
April 3,
2021
Service cost$828 $785 
Interest cost1,320 1,204 
Expected return on plan assets(2,165)(2,321)
Amortization of prior service cost
Amortization of actuarial loss570 1,052 
Net pension cost$558 $725 

Based on actuarial estimates at April 2, 2022, the Company expects to contribute approximately $3.9 million to its pension plans to meet funding requirements during the next twelve months. Additionally, the Company has made tax deductible discretionary and required contributions to its pension plans for the three months ended April 2, 2022 and April 3, 2021 of approximately $0.8 million and $0.9 million, respectively.  

The Company participates in various multiemployer pension plans which provide defined benefits to certain employees covered by labor contracts.  These plans are not administered by the Company and contributions are determined in accordance with provisions of negotiated labor contracts to meet their pension benefit obligations to their participants. The Company's contributions to each multiemployer plan represent less than 5% of the total contributions to each plan. Based on the most currently available information, the Company has determined that, if a withdrawal were to occur, withdrawal liabilities on two of the plans in which the Company currently participates could be material to the Company, with one of these material plans certified as critical or red zone. With respect to the other multiemployer pension plans in which the Company participates and which are not individually significant, five plans have certified as critical or red zone and two plans have certified as endangered or yellow zone as defined by the Pension Protection Act of 2006.

The Company currently has withdrawal liabilities recorded on four U.S. multiemployer plans in which it participated. As of April 2, 2022, the Company has an aggregate accrued liability of approximately $3.8 million representing the present value of scheduled withdrawal liability payments on the multiemployer plans that have given notice of withdrawal. While the Company has no ability to calculate a possible current liability for under-funded multiemployer plans that could terminate or could require additional funding under the Pension Protection Act of 2006, the amounts could be material.