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Benefit Plans (Tables)

3 Months Ended

Mar. 31, 2026

Retirement Benefits [Abstract]

Components of net periodic benefit cost

Table 10.1 provides the components of net periodic benefit cost for our pension, supplemental executive retirement and other postretirement benefit plans for the three months ended March 31, 2026 and 2025.

Components of Net Periodic Benefit Cost
Table			10.1
									Three Months Ended March 31,
									Pension and Supplemental Executive Retirement Plans												Other Postretirement Benefit Plans
(In thousands)									2026						2025						2026						2025
Company service cost (1)									$	500					$	—					$	209					$	234
Interest cost									3,013						3,299						283						311
Expected return on plan assets									(3,078)						(3,442)						(3,394)						(2,911)
Amortization of:
Net actuarial losses (gains)									947						546						(961)						(692)
Prior service cost (credit)									86						86						117						118
Cost of settlements and curtailments									—						—						—						—
Net periodic benefit cost (benefit)									$	1,468					$	489					$	(3,746)					$	(2,940)

(1)Effective January 1, 2026, company service cost includes expected administrative expenses of the defined benefit pension plan.

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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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