Benefit Plans

6 Months Ended

Jun. 28, 2025

The Company sponsors several qualified and nonqualified pension plans and other postretirement benefit plans for certain of its employees. The components of net periodic benefit cost (income) are as follows:


	For the Quarter Ended				For the Six Months Ended
(In thousands)	June 28, 2025		June 29, 2024		June 28, 2025		June 29, 2024

Pension benefits:

Interest cost	$	612	$	582	$	1,223	$	1,163
Expected return on plan assets	(553)		(604)		(1,107)		(1,208)
Amortization of net loss	82		33		164		66

Net periodic benefit cost	$	141	$	11	$	280	$	21

Other benefits:
Service cost	$	47	$	55	$	93	$	109
Interest cost	123		130		246		261
Amortization of prior service credit	(1)		—		(1)		(1)
Amortization of net gain	(104)		(100)		(204)		(197)


Net periodic benefit cost	$	65	$	85	$	134	$	172

The components of net periodic benefit cost (income) other than the service cost component are included in other income, net in the Condensed Consolidated Statements of Income.

- Definition

The entire disclosure for retirement benefits.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 715
-SubTopic 20
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-Section 50
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-URI https://asc.fasb.org/1943274/2147480506/715-20-50-1

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+ Details

MUELLER INDUSTRIES INC 10-Q