Restructuring Charges (Tables)

12 Months Ended

Jan. 01, 2022

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 December 28, 2019	$	—		$	—		$	—
Provision for restructuring charges under the 2020 Cost Reduction Plan		103			—			103
Cash payments made		(103	)		—			(103	)
Balance at January 2, 2021	$	—		$	—		$	—
Provision for restructuring charges under the 2021 Cost Reduction Plan		319			—			319
Cash payments made		(319	)		—			(319	)
Provision for restructuring charges associated with Photonics sale (a)		693			1,911			2,604
Cash payments made		(96	)		—			(96	)
Non-cash utilization		(239	)(b)		(1,246	)(c)		(1,485	)
Balance at January 1, 2022	$	358	(d)	$	665		$	1,023

(a) Included in income from discontinued operations (See note 2).

(b) Acceleration of equity awards.

(c) Impairment of ROU asset.

(d) Liability for employee termination costs is included in accrued payroll and related liabilities.