Note 4 - Employee Benefit Plans (Tables)

9 Months Ended

Sep. 30, 2024

Table Text Block [Abstract]

Schedule of Net Periodic Pension Cost

We sponsor three defined benefit pension plans, two of which cover substantially all U.S. employees. Net periodic pension benefit for the plans consisted of the following for the three and nine months ended September 30, 2024 and 2023 (in thousands):

	Three Months Ended September 30,						Nine Months Ended September 30,
	2024			2023			2024			2023
Service cost	$	914		$	949		$	2,744		$	2,847
Interest cost		2,076			1,993			6,227			5,979
Expected return on plan assets		(3,136	)		(3,107	)		(9,408	)		(9,321	)
Amortization of prior service cost		67			125			199			375
Amortization of net loss		15			(47	)		46			(141	)
Net periodic pension benefit	$	(64	)	$	(87	)	$	(192	)	$	(261	)