Postretirement Benefit Plans (Tables)

9 Months Ended

Sep. 30, 2024

Retirement Benefits [Abstract]

Components of Net Periodic Benefit Cost

Components of Net Periodic Benefit Cost

	UNITED STATES
(In thousands)	Three Months Ended September 30,						Nine Months Ended September 30,
	2024			2023			2024			2023
Interest cost	$	1,651		$	1,731		$	4,954		$	5,193
Expected return on plan assets		(2,120	)		(2,133	)		(6,360	)		(6,399	)
Amortization of net actuarial (gain)		(3	)		(6	)		(9	)		(18	)
Net periodic benefit cost	$	(472	)	$	(408	)	$	(1,415	)	$	(1,224	)

	UNITED KINGDOM
(In thousands)	Three Months Ended September 30,						Nine Months Ended September 30,
	2024			2023			2024			2023
Interest cost	$	165		$	171		$	486		$	504
Expected return on plan assets		(187	)		(177	)		(552	)		(522	)
Amortization of net actuarial loss		82			85			242			250
Net periodic benefit cost	$	60		$	79		$	176		$	232

Defined Contribution Plan Expenses for Company's Qualified Contribution Plans

Defined contribution plan expenses for the Company’s qualified contribution plans were as follows:

(In thousands)	Three Months Ended September 30,				Nine Months Ended September 30,
	2024		2023		2024		2023
Retirement savings contributions	$	2,106	$	2,101	$	6,526	$	6,319
Profit sharing contributions		691		673		2,223		1,543
Total defined contribution plan expenses	$	2,797	$	2,774	$	8,749	$	7,862