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Pension and postretirement benefits (Tables)

9 Months Ended

Sep. 30, 2020

Compensation And Retirement Disclosure [Abstract]

Components of Net Periodic Pension/Postretirement Benefit Cost

		Pension Plans				OPEB Plan
		Quarters ended September 30,				Quarters ended September 30,
(In thousands)		2020		2019		2020		2019
Personnel Cost:
Service cost	$	-	$	-	$	178	$	190
Other operating expenses:
Interest cost		5,847		7,109		1,228		1,489
Expected return on plan assets		(9,526)		(8,096)		-		-
Amortization of prior service cost/(credit)		-		-		-		-
Amortization of net loss		5,220		5,877		142		-
Total net periodic pension cost	$	1,541	$	4,890	$	1,548	$	1,679

		Pension Plans				OPEB Plan
		Nine months ended September 30,				Nine months ended September 30,
(In thousands)		2020		2019		2020		2019
Personnel Cost:
Service cost	$	-	$	-	$	535	$	570
Other operating expenses:
Interest cost		17,541		21,329		3,684		4,466
Expected return on plan assets		(28,577)		(24,288)		-		-
Amortization prior service cost/(credit)		-		-		-		-
Amortization of net loss		15,660		17,629		426		-
Total net periodic pension cost	$	4,624	$	14,670	$	4,645	$	5,036

Schedule of accumulated and projected benefit obligations

	For the nine months ended		For the year ending
(In thousands)	September 30, 2020		December 31, 2020
Pension Plans	$	171	$	229
OPEB Plan	$	4,600	$	6,516

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- References

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- Definition

Tabular disclosure of benefit obligations including accumulated benefit obligation and projected benefit obligation.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (e)
-URI http://asc.fasb.org/extlink&oid=118255775&loc=d3e1928-114920

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- Definition

Tabular disclosure of the components of net benefit costs for pension plans and/or other employee benefit plans including service cost, interest cost, expected return on plan assets, gain (loss), prior service cost or credit, transition asset or obligation, and gain (loss) recognized due to settlements or curtailments.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (h)
-URI http://asc.fasb.org/extlink&oid=118255775&loc=d3e1928-114920

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