Restructuring (Tables)

9 Months Ended

Sep. 26, 2025

Restructuring and Related Activities [Abstract]

Restructuring and Related Costs

The activity in the accrued balances incurred in relation to restructuring during the nine months ended September 26, 2025, and September 27, 2024, were as follows:

	Reduction in Force
(Thousands)	Performance Materials		Electronic Materials		Precision Optics		Other		Consolidated
Balance at December 31, 2024	$	56	$	293	$	60	$	408	$	817
Additional Charges	481		789		1,428		31		2,729
Cash Payments	(537)		(1,067)		(1,457)		(325)		(3,386)
Balance at September 26, 2025	$	—	$	15	$	31	$	114	$	160

	Reduction in Force
(Thousands)	Performance Materials		Electronic Materials		Precision Optics		Other		Consolidated
Balance at December 31, 2023	$	2	$	388	$	—	$	—	$	390
Additional Charges	1,441		1,804		1,198		1,718		6,161
Cash Payments	(1,270)		(2,019)		(755)		(1,154)		(5,198)
Balance at September 27, 2024	$	173	$	173	$	443	$	564	$	1,353