Pension and Postretirement Benefit Obligations (Tables)

9 Months Ended

Sep. 29, 2023

Retirement Benefits [Abstract]

Summary of Components of Net Periodic Pension Cost and Net Periodic Postretirement Benefit Cost

The components of total pension expense were as follows:

	Third Quarter				First Nine Months
(in thousands)	2023		2022		2023		2022
Service cost	$	1,099	$	1,860	$	3,298	$	5,581
Interest cost	517		2,659		7,533		7,977
Expected return on plan assets	(609)		(2,036)		(6,437)		(6,107)
Recognized net actuarial loss	—		989		1,946		2,966
Amortization of prior service cost	4		—		12		—
Net periodic pension cost	1,011		3,472		6,352		10,417
Settlement expense	77,319		—		117,096		—
Total pension expense	$	78,330	$	3,472	$	123,448	$	10,417

The components of net periodic postretirement benefit cost were as follows:

	Third Quarter				First Nine Months
(in thousands)	2023		2022		2023		2022
Service cost	$	294	$	383	$	882	$	1,150
Interest cost	697		474		2,092		1,423
Recognized net actuarial loss	—		92		—		275
Net periodic postretirement benefit cost	$	991	$	949	$	2,974	$	2,848