Retirement Plans

3 Months Ended

Mar. 31, 2024

Employee-related Liabilities [Abstract]

Retirement Plans

Retirement Plans

The Company has three retirement plans that cover its hourly and salaried employees in the United States: one defined benefit plan, which is frozen, and two defined contribution plans. Employees are eligible to participate in the appropriate plan based on employment classification. The Company’s contributions to the defined benefit and defined contribution plans are governed by the Employee Retirement Income Security Act of 1974, as amended (“ERISA”) and the Company’s policy and investment guidelines

applicable to each respective plan. The Company’s policy is to contribute at least the minimum in accordance with the funding standards of ERISA.

The Company maintains one defined contribution plan for its employees in Canada. In the United Kingdom, the Company maintains two defined contribution plans and a defined benefit plan, which is frozen. These plans are discussed in further detail below.

United States Defined Benefit Plan

Net periodic pension costs were as follows for the periods presented:

	Three Months Ended March 31,
	2024		2023
Interest cost	$	66	$	71
Expected return on plan assets	(68)		(64)
Recognized net actuarial loss	15		16
Net periodic pension cost	$	13	$	23

The Company has made contributions to its United States defined benefit plan of $100 during the three months ended March 31, 2024 and expects to make total contributions of approximately $370 during 2024.

United Kingdom Defined Benefit Plan

Net periodic pension costs were as follows for the periods presented:

	Three Months Ended March 31,
	2024		2023
Interest cost	$	56	$	55
Expected return on plan assets	(94)		(83)
Amortization of prior service costs and transition amount	6		6
Recognized net actuarial loss	8		3
Net periodic pension income	$	(24)	$	(19)

United Kingdom regulations require trustees to adopt a prudent approach to funding required contributions to defined benefit pension plans. For the three months ended March 31, 2024, the Company contributed approximately $79 to the plan. The Company anticipates total contributions of approximately $315 to the United Kingdom pension plan during 2024.

Defined Contribution Plans

The Company sponsors five defined contribution plans for hourly and salaried employees across its domestic and international facilities. The following table summarizes the expense associated with the contributions made to these plans for the periods presented:

	Three Months Ended March 31,
	2024		2023
United States	$	551	$	614
Canada	76		62
United Kingdom	281		261
	$	908	$	937