Note 4 - Employee Benefit Plans (Tables)

3 Months Ended

Mar. 31, 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) cost for the plans consisted of the following for the three months ended March 31, 2024 and 2023 (in thousands):

	Three Months Ended March 31,
	2024			2023
Service cost	$	915		$	949
Interest cost		2,076			1,993
Expected return on plan assets		(3,136	)		(3,107	)
Amortization of prior service cost		66			125
Amortization of net loss		15			(47	)
Net periodic pension (benefit) cost	$	(64	)	$	(87	)