Restructuring and Acquisition Related Costs (Tables)

3 Months Ended

Mar. 29, 2019

Restructuring And Related Activities [Abstract]

Schedule of Restructuring and Acquisition Related Costs

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

	ThreeMonths Ended
	March 29,		March 30,
	2019		2018
2019 restructuring	$	967	$	—
2018 restructuring		269		—
Total restructuring charges		1,236		—
Acquisition and related charges		818		25
Total restructuring and acquisition related costs	$	2,054	$	25

Summary of Restructuring Costs for Each Segment and Unallocated Corporate Costs

The following table summarizes restructuring costs associated with the 2019 restructuring program for each segment and unallocated corporate costs (in thousands):

	ThreeMonths Ended
	March 29,
	2019
Photonics	$	193
Vision		350
Precision Motion		47
Unallocated Corporate and Shared Services		377
Total	$	967

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, 2018	$	1,276		$	876		$	388		$	12
Restructuring charges		1,236			1,108			89			39
Cash payments		(765	)		(744	)		—			(21	)
Reclassification of reserves (a)		(477	)		—			(477	)		—
Non-cash write-offs and other adjustments		(2	)		4			—			(6	)
Balance at March 29, 2019	$	1,268		$	1,244		$	—		$	24

(a) Accrual related to exited facilities was reclassified to operating lease liabilities upon adoption of ASU 2016-02.