Retirement Plans (Tables)

3 Months Ended

Mar. 31, 2023

Defined Benefit Plan Disclosure

Schedule of Costs of Retirement Plans

The following table summarizes the expense associated with the contributions made to these plans for the periods presented:

	Three Months Ended March 31,
	2023		2022
United States	$	614	$	305
Canada	62		61
United Kingdom	261		135
	$	937	$	501

United States

Defined Benefit Plan Disclosure

Schedule of Net Benefit Costs

Net periodic pension costs for the United States defined benefit pension plan for the three months ended March 31, 2023 and 2022 were as follows:

	Three Months Ended March 31,
	2023		2022
Interest cost	$	71	$	49
Expected return on plan assets	(64)		(66)
Recognized net actuarial loss	16		18
Net periodic pension cost	$	23	$	1

United Kingdom

Defined Benefit Plan Disclosure

Schedule of Net Benefit Costs

Net periodic pension costs for the United Kingdom defined benefit pension plan for the three months ended March 31, 2023 and 2022 were as follows:

	Three Months Ended March 31,
	2023		2022
Interest cost	$	55	$	45
Expected return on plan assets	(83)		(81)
Amortization of prior service costs and transition amount	6		6
Recognized net actuarial loss	3		42
Net periodic pension (income) cost	$	(19)	$	12