Retirement Plans (Tables)

9 Months Ended

Sep. 30, 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 September 30,				Nine Months Ended September 30,
	2023		2022		2023		2022
United States	$	728	$	441	$	2,135	$	1,136
Canada	36		83		131		143
United Kingdom	294		588		881		588
	$	1,058	$	1,112	$	3,147	$	1,867

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 and nine months ended September 30, 2023 and 2022 were as follows:

	Three Months Ended September 30,				Nine Months Ended September 30,
	2023		2022		2023		2022
Interest cost	$	71	$	49	$	214	$	146
Expected return on plan assets	(64)		(66)		(192)		(198)
Recognized net actuarial loss	16		18		47		53
Net periodic pension cost	$	23	$	1	$	69	$	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 and nine months ended September 30, 2023 and 2022 were as follows:

	Three Months Ended September 30,				Nine Months Ended September 30,
	2023		2022		2023		2022
Interest cost	$	56	$	42	$	168	$	126
Expected return on plan assets	(84)		(74)		(252)		(222)
Amortization of prior service costs and transition amount	6		6		18		18
Recognized net actuarial loss	3		38		9		114
Net periodic pension (income) cost	$	(19)	$	12	$	(57)	$	36