Restructuring, Acquisition and Divestiture Related Costs (Tables)

9 Months Ended

Sep. 29, 2017

Restructuring And Related Activities [Abstract]

Schedule Of Restructuring And Related Cost

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

	ThreeMonths Ended					Nine Months Ended
	September 29,		September 30,			September 29,		September 30,
	2017		2016			2017		2016
2016 restructuring	$	—	$	(1,621	)	$	186	$	2,955
2011 restructuring		—		—			14		108
Total restructuring and divestiture charges		—		(1,621	)		200		3,063
Acquisition and related charges		3,834		786			6,032		2,765
Total restructuring, acquisition and divestiture related costs (gain)	$	3,834	$	(835	)	$	6,232	$	5,828

Summary of Restructuring Costs for Each Segment and Unallocated Corporate and Shared Services

The following table summarizes restructuring costs for each segment and unallocated corporate and shared services related to the 2016 restructuring plan (in thousands):

	ThreeMonths Ended					Nine Months Ended
	September 29,		September 30,			September 29,		September 30,
	2017		2016			2017		2016
Photonics	$	—	$	45		$	—	$	813
Vision		—		(1,728	)		185		1,730
Precision Motion		—		—			—		106
Unallocated Corporate and Shared Services		—		62			1		306
Total	$	—	$	(1,621	)	$	186	$	2,955

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			Depreciation		Other
Balance at December 31, 2016	$	1,736		$	611		$	1,111		$	—	$	14
Restructuring charges		200			185			—			—		15
Cash payments		(1,068	)		(652	)		(399	)		—		(17	)
Non-cash write-offs and other adjustments		(62	)		(65	)		11			—		(8	)
Balance at September 29, 2017	$	806		$	79		$	723		$	—	$	4