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Employee benefit plans (Tables)

6 Months Ended

Jun. 30, 2023

Retirement Benefits [Abstract]

Schedule of net benefit costs

Components of net periodic benefit credit for the Company's pension benefit plans were as follows:

			Three Months Ended						Six Months Ended
			June 30,						June 30,
			2023			2022			2023			2022
			(In thousands)
Components of net periodic benefit credit:
Interest cost			$	3,380		$	2,349		$	7,169		$	4,698
Expected return on assets			(4,299)			(4,371)			(9,048)			(8,742)
Amortization of net actuarial loss			773			1,457			1,674			2,914
Net periodic benefit credit			$	(146)		$	(565)		$	(205)		$	(1,130)

Components of net periodic benefit credit for the Company's other postretirement benefit plans were as follows:

			Three Months Ended						Six Months Ended
			June 30,						June 30,
			2023			2022			2023			2022
			(In thousands)
Components of net periodic benefit credit:
Service cost			$	136		$	223		$	274		$	446
Interest cost			489			346			978			692
Expected return on assets			(1,334)			(1,319)			(2,668)			(2,638)
Amortization of prior service credit			(329)			(330)			(659)			(660)
Amortization of net actuarial gain			(70)			(142)			(126)			(284)
Net periodic benefit credit, including amount capitalized			(1,108)			(1,222)			(2,201)			(2,444)
Less amount capitalized			53			53			77			84
Net periodic benefit credit			$	(1,161)		$	(1,275)		$	(2,278)		$	(2,528)

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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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