Employee Benefit Plans (Tables)

6 Months Ended

Jun. 30, 2024

Retirement Benefits [Abstract]

Summary of Components of Net Periodic Benefit Income for the Pension Plans

Net periodic benefit income from our pension plans included the following components for our pension benefits:

	Three Months Ended June 30,				Six Months Ended June 30,
(in thousands)	2024		2023		2024		2023
Service cost	$	1,711	$	1,503	$	3,438	$	2,997
Interest cost	25,324		26,136		50,689		52,253
Expected return on plan assets	(44,339)		(41,263)		(88,743)		(82,503)
Amortization of prior service cost	281		173		562		346
Amortization of actuarial loss	3,567		2,340		7,134		4,681
Net periodic benefit income	$	(13,456)	$	(11,111)	$	(26,920)	$	(22,226)