Restructuring, Acquisition, and Related Costs (Tables)

9 Months Ended

Oct. 02, 2020

Restructuring And Related Activities [Abstract]

Schedule of Restructuring, Acquisition and Related Costs

The following table summarizes restructuring, acquisition, and related costs in the accompanying consolidated statements of operations (in thousands):

	Three Months Ended				Nine Months Ended
	October 2,		September 27,		October 2,		September 27,
	2020		2019		2020		2019
2020 restructuring	$	1,006	$	—	$	1,006	$	—
2019 restructuring		68		1,115		667		4,047
2018 restructuring		—		351		754		789
Total restructuring charges		1,074		1,466		2,427		4,836
Acquisition and related charges		613		4,080		3,164		7,077
Total restructuring, acquisition, and related costs	$	1,687	$	5,546	$	5,591	$	11,913

Summary of Restructuring Charges by Reportable Segment

The following table summarizes restructuring costs associated with the 2019 restructuring program by reportable segment (in thousands):

	Three Months Ended					Nine Months Ended
	October 2,		September 27,			October 2,		September 27,
	2020		2019			2020		2019
Photonics	$	25	$	475		$	236	$	2,025
Vision		13		367			304		1,023
Precision Motion		30		340			108		534
Unallocated Corporate and Shared Services		—		(67	)		19		465
Total	$	68	$	1,115		$	667	$	4,047

Summary of Accrual Activities by Components Related to Company's Restructuring Plans

The following table summarizes the accrual activities, by component, related to the Company’s restructuring plans recorded in the accompanying consolidated balance sheets (in thousands):

	Total			Severance			Facility			Other
Balance at December 31, 2019	$	2,073		$	1,988		$	—		$	85
Restructuring charges		2,427			1,786			223			418
Cash payments		(2,699	)		(2,195	)		(93	)		(411	)
Non-cash charges and other adjustments		(530	)		(459	)		(1	)		(70	)
Balance at October 2, 2020	$	1,271		$	1,120		$	129		$	22