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Pension and Other Postretirement Employee Benefits (Tables)

9 Months Ended

Sep. 30, 2024

Retirement Benefits, Description [Abstract]

Components of Net Periodic Cost (Benefit)

The following table details the components of net periodic cost (benefit) of our pension plans and other postretirement employee benefit plans (OPEB):

		Three Months Ended September 30,
		Pension								OPEB
(in thousands)		2024				2023				2024				2023
Service cost		$	1,321			$	1,355			$	22			$	27
Interest cost			3,124				3,139				220				294
Expected return on plan assets			(3,237	)			(3,028	)			—				—
Amortization of prior service cost			5				10				—				—
Amortization of actuarial (gain) loss			19				(21	)			(331	)			(166	)
Total net periodic cost		$	1,232			$	1,455			$	(89	)		$	155

		Nine Months Ended September 30,
		Pension								OPEB
(in thousands)		2024				2023				2024				2023
Service cost		$	3,964			$	4,066			$	69			$	82
Interest cost			9,369				9,414				658				881
Expected return on plan assets			(9,711	)			(9,081	)			—				—
Amortization of prior service cost			15				32				—				—
Amortization of actuarial (gain) loss			59				(63	)			(992	)			(498	)
Net periodic cost		$	3,696			$	4,368			$	(265	)		$	465

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- References

No definition available.

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- Definition

Tabular disclosure of one or more of the entity's defined benefit pension plans or one or more other defined benefit postretirement plans, separately for pension plans and other postretirement benefit plans including the entity's schedule of fair value of plan assets for defined benefit or other postretirement plans.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-SubTopic 20
-Topic 715
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480506/715-20-50-1

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 55
-Paragraph 17
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480482/715-20-55-17

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 3
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480506/715-20-50-3

Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 4
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480506/715-20-50-4

Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 2
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480506/715-20-50-2

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