Pension Plans (Tables)

9 Months Ended

Sep. 30, 2021

Retirement Benefits [Abstract]

Schedule of Net Benefit Costs

The components of net periodic pension cost for the Dutch pension plans were as follows:

	Three Months Ended September 30,				Nine Months Ended September 30,
(In thousands)	2021		2020		2021		2020
Net service cost	$	(1,084)	$	(859)	$	(3,300)	$	(2,484)
Interest cost	(163)		(259)		(495)		(745)
Expected return on plan assets	105		161		322		463
Administrative charges	(71)		(73)		(214)		(203)
Net periodic pension cost	$	(1,213)	$	(1,030)	$	(3,687)	$	(2,969)