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Pension Plans and Postretirement Benefits (Tables)

6 Months Ended

Jun. 30, 2025

Retirement Benefits [Abstract]

Components of Net Periodic Benefit Cost

Components of net periodic benefit cost included in net income were as follows:

						Pension Benefits																								Other Benefits
						Three Months Ended June 30,												Six Months Ended June 30,												Three Months Ended June 30,												Six Months Ended June 30,
						2025						2024						2025						2024						2025						2024						2025						2024
						(In thousands)
Service cost						$	2,897					$	1,768					$	4,580					$	3,765					$	384					$	96					$	469					$	193
Interest cost						13,782						11,133						25,235						22,763						869						503						1,401						1,008
Expected return on plan assets						(16,987)						(14,654)						(30,991)						(30,153)						(487)						(487)						(973)						(974)
Amortization of prior service cost						792						820						1,583						1,640						22						12						44						23
Net periodic benefit (income) / loss						$	484					$	(933)					$	407					$	(1,985)					$	788					$	124					$	941					$	250

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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://www.xbrl.org/2009/role/commonPracticeRef
-Topic 715
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 5
-Subparagraph (q)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480506/715-20-50-5

Reference 2: 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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