Restructuring, Acquisition and Divestiture Related Costs (Tables)

12 Months Ended

Dec. 31, 2016

Restructuring And Related Activities [Abstract]

Schedule Of Restructuring And Related Cost

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

	Year Ended December 31,
	2016			2015		2014
2016 restructuring	$	3,049		$	3,148	$	—
2015 restructuring		—			1,484		—
2013 restructuring		—			—		25
2011 restructuring		(79	)		1,208		389
Total restructuring charges	$	2,970		$	5,840	$	414
Acquisition and related charges	$	4,975		$	1,301	$	1,521
Divestiture related charges		—			1,113		—
Total acquisition and divestiture related charges	$	4,975		$	2,414	$	1,521
Total restructuring, acquisition and divestiture related costs	$	7,945		$	8,254	$	1,935

Summary of Restructuring Costs for Each Segment and Unallocated Corporate Costs

The following table summarizes restructuring costs associated with the 2016 restructuring program for each segment and unallocated corporate costs (in thousands):

	Year Ended		Year Ended		Cumulative Costs as of
	December 31, 2016		December 31, 2015		December 31, 2016
Photonics	$	813	$	55	$	868
Vision		1,862		2,200		4,062
Precision Motion		106		833		939
Unallocated Corporate and Shared Services		268		60		328
Total	$	3,049	$	3,148	$	6,197

The following table summarizes the total costs for each segment and unallocated corporate costs related to the 2015 restructuring plan (in thousands):

	Year Ended
	December 31, 2015
Photonics	$	542
Vision		525
Precision Motion		79
Unallocated Corporate and Shared Services		338
Total	$	1,484

The following table summarizes restructuring costs for each segment and unallocated corporate costs related to the 2011 restructuring plan (in thousands):

									Cumulative
	Year Ended December 31,								Costs as of
	2016			2015		2014			December 31, 2016
Photonics	$	(188	)	$	—	$	(106	)	$	1,751
Vision		—			—		—			48
Precision Motion		—			—		—			122
Unallocated Corporate and Shared Services		109			1,208		495			3,262
Total	$	(79	)	$	1,208	$	389		$	5,183

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 charges recorded in the accompanying consolidated balance sheets (in thousands):

	Total			Severance			Facility			Depreciation			Other (b)
Balance at December 31, 2014	$	231		$	102		$	108		$	—		$	21
Restructuring charges		5,840			3,918			441			1,082			399
Cash payments		(3,126	)		(2,668	)		(156	)		—			(302	)
Non-cash write-offs and other adjustments		(1,063	)		6			13			(1,082	)		—
Balance at December 31, 2015		1,882			1,358			406			—			118
Restructuring charges (a)		4,929			2,738			777			616			798
Reserves reversed		(322	)		(322	)		—			—			—
Cash payments		(4,181	)		(3,170	)		(104	)		—			(907	)
Non-cash write-offs and other adjustments		(572	)		7			32			(616	)		5
Balance at December 31, 2016	$	1,736		$	611		$	1,111		$	—		$	14

(a) Excludes $1.6 million of gain on sale of the Chatsworth, California facility.

(b) Other restructuring charges mainly related to consulting fees and relocation costs.