Pensions and Other Post-employment Benefits (Tables)

6 Months Ended

Jun. 27, 2025

Retirement Benefits [Abstract]

Components of Net Periodic Benefit Cost

The following is a summary of the net periodic benefit cost for the second quarter and first six months ended June 27, 2025 and June 28, 2024, respectively, for the pension plans as shown below. The Pension Benefits column aggregates defined benefit pension plans in the U.S., Germany, Liechtenstein, England, and the U.S. supplemental retirement plans. The Other Benefits column includes the domestic retiree medical and life insurance plan.

	Pension Benefits				Other Benefits
	Second Quarter Ended				Second Quarter Ended
	June 27,		June 28,		June 27,		June 28,
(Thousands)	2025		2024		2025		2024
Components of net periodic benefit (credit) cost
Service cost	$	308	$	266	$	11	$	12
Interest cost	1,927		1,905		58		58
Expected return on plan assets	(2,532)		(2,529)		—		—
Amortization of prior service (benefit) cost	(23)		(21)		—		—
Amortization of net loss (gain)	90		32		(88)		(87)
Net periodic benefit (credit) cost	$	(230)	$	(347)	$	(19)	$	(17)

	Pension Benefits				Other Benefits
	Six Months Ended				Six Months Ended
	June 27,		June 28,		June 27,		June 28,
(Thousands)	2025		2024		2025		2024
Components of net periodic benefit (credit) cost
Service cost	$	594	$	534	$	22	$	25
Interest cost	3,837		3,812		116		117
Expected return on plan assets	(5,036)		(5,059)		—		—
Amortization of prior service (benefit) cost	(44)		(42)		—		—
Amortization of net loss (gain)	179		64		(175)		(174)
Net periodic benefit (credit) cost	$	(470)	$	(691)	$	(37)	$	(32)