Benefit Plans (Tables)

3 Months Ended

Mar. 31, 2024

Retirement Benefits [Abstract]

Components of net periodic benefit cost

Table 10.1 provides the components of net periodic benefit cost for our pension, supplemental executive retirement and other postretirement benefit plans for the three months ended March 31, 2024 and 2023.

Components of net periodic benefit cost
Table	10.1
		Three Months Ended March 31,
		Pension and Supplemental Executive Retirement Plans				Other Postretirement Benefit Plans
(In thousands)		2024		2023		2024		2023
Company service cost		$	—	$	—	$	417	$	386
Interest cost		3,247		3,682		375		398
Expected return on plan assets		(3,644)		(3,581)		(2,494)		(2,063)
Amortization of:
Net actuarial losses (gains)		523		597		(380)		(64)
Prior service cost (credit)		86		86		453		465
Cost of settlements and curtailments		—		7,847		—		—
Net periodic benefit cost (benefit)		$	212	$	8,631	$	(1,629)	$	(878)