Restructuring Charges (Tables)

12 Months Ended

Dec. 30, 2023

Restructuring and Related Activities [Abstract]

Changes in Restructuring Reserves

The following table summarizes the significant activities within, and components of, the restructuring liabilities.

	Employee Termination Costs			Other Exit Costs			Total
	(in thousands)
Balance at January 1, 2022	$	358		$	665		$	1,023
Provision for restructuring charges under the 2022 Cost Reduction Plan		1,232			—			1,232
Cash payments made		(1,269	)		—			(1,269	)
Non-cash utilization		37	(a)		—			37
Provision for restructuring charges associated with Photonics sale (b)		112			15			127
Cash payments made		(395	)		(362	)		(757	)
Non-cash utilization		(75	)(a)		—			(75	)
Balance at December 31, 2022	$	—		$	318		$	318
Provision for restructuring charges under the 2023 Cost Reduction Plan		1,950			—			1,950
Cash payments made		(1,948	)		—			(1,948	)
Non-cash utilization		(2	)(a)		—			(2	)
Provision for restructuring charges associated with Photonics sale (b)		—			7			7
Cash payments made		—			(325	)		(325	)
Balance at December 30, 2023	$	—		$	—		$	—

(a) Acceleration of equity awards.

(b) Included in discontinued operations.