Pension Plans (Tables)

6 Months Ended

Jun. 30, 2023

Retirement Benefits [Abstract]

Schedule of components of net periodic pension cost

The components of net periodic pension cost for these defined benefit pension plans are as follows:

	For the Three Months Ended June 30,				For the Six Months Ended June 30,
	2023		2022		2023		2022
	(In thousands)
Service cost	$	3,697	$	5,088	$	7,525	$	10,506
Interest cost	1,558		1,204		3,161		2,462
Expected return on plan assets	(1,278)		(1,428)		(2,589)		(2,921)
Recognized actuarial loss	(105)		13		(203)		26
Net periodic pension cost	$	3,872	$	4,877	$	7,894	$	10,073

Schedule of defined contribution expense

The following table summarizes our defined contribution expense:

	For the Three Months Ended June 30,				For the Six Months Ended June 30,
	2023		2022		2023		2022
	(In thousands)
Defined contribution expense	$	6,253	$	5,554	$	15,049	$	13,503