Pension and postretirement benefits (Tables)

9 Months Ended

Sep. 30, 2022

Employee benefits

Components of Net Periodic Pension/Postretirement Benefit Cost

		Pension Plans				OPEB Plan
		Quarters ended September 30,				Quarters ended September 30,
(In thousands)		2022		2021		2022		2021
Personnel Cost:
Service cost	$	-	$	-	$	121	$	160
Other operating expenses:
Interest cost		4,800		3,998		983		893
Expected return on plan assets		(8,847)		(9,670)		-		-
Amortization of prior service cost/(credit)		-		-		-		-
Amortization of net loss		3,911		4,719		-		468
Total net periodic pension cost	$	(136)	$	(953)	$	1,104	$	1,521

		Pension Plans				OPEB Plan
		Nine months ended September 30,				Nine months ended September 30,
(In thousands)		2022		2021		2022		2021
Personnel Cost:
Service cost	$	-	$	-	$	364	$	480
Other operating expenses:
Interest cost		14,399		11,994		2,948		2,679
Expected return on plan assets		(26,541)		(29,011)		-		-
Amortization prior service cost/(credit)		-		-		-		-
Amortization of net loss		11,733		14,159		-		1,407
Total net periodic pension cost	$	(409)	$	(2,858)	$	3,312	$	4,566

Schedule of expected benefit payments

	For the nine months ended		For the year ending
(In thousands)	September 30, 2022		December 31, 2022
Pension Plans	$	170	$	227
OPEB Plan	$	5,046	$	5,971