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Pension Plans and Other Postretirement Benefit Plans (Tables)

9 Months Ended

Sep. 30, 2024

Retirement Benefits, Description [Abstract]

Components of Net Periodic Benefit Cost

The Company uses a December 31 measurement date for its defined benefit pension and other postretirement benefit plans. The following table sets forth the components of net periodic benefit costs for the three and nine months ended September 30 (dollars in thousands):

		Pension Benefits								Other Postretirement Benefits
		2024				2023				2024				2023
Three months ended September 30:
Service cost		$	4,030			$	3,098			$	719			$	559
Interest cost			8,430				8,524				1,706				1,872
Expected return on plan assets			(11,356	)			(10,922	)			(974	)			(891	)
Amortization of prior service cost (credit)			126				123				(263	)			(263	)
Net loss recognition			684				1,184				96				(54	)
Net periodic benefit cost		$	1,914			$	2,007			$	1,284			$	1,223
Nine months ended September 30:
Service cost		$	11,739			$	11,092			$	2,000			$	1,909
Interest cost			25,012				24,277				5,178				4,825
Expected return on plan assets			(33,940	)			(32,766	)			(2,922	)			(2,673	)
Curtailment loss			169				—				—				—
Amortization of prior service cost (credit)			375				369				(789	)			(789	)
Net loss recognition			2,043				3,208				275				471
Net periodic benefit cost		$	5,398			$	6,180			$	3,742			$	3,743

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- References

No definition available.

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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
-Topic 715
-SubTopic 20
-Subparagraph (h)
-Name Accounting Standards Codification
-Paragraph 1
-Section 50
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480506/715-20-50-1

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