Segment Information (Tables)

9 Months Ended

Sep. 27, 2019

Segment Reporting [Abstract]

Revenue, Gross Profit, Gross Profit Margin, Operating Income (Loss), and Depreciation and Amortization Expenses by Reportable Segment

Revenue, gross profit, gross profit margin, operating income (loss), and depreciation and amortization expenses by reportable segment were as follows (in thousands, except percentage data):

	Three Months Ended				Nine Months Ended
	September 27,		September 28,		September 27,		September 28,
	2019		2018		2019		2018
Revenue
Photonics	$	54,570	$	61,285	$	172,081	$	187,178
Vision		69,923		62,113		201,754		172,145
Precision Motion		29,573		37,396		92,562		98,836
Total	$	154,066	$	160,794	$	466,397	$	458,159

	Three Months Ended						Nine Months Ended
	September 27,			September 28,			September 27,			September 28,
	2019			2018			2019			2018
Gross Profit
Photonics	$	25,289		$	29,218		$	79,911		$	89,510
Vision		26,922			24,160			78,106			64,322
Precision Motion		12,504			16,788			39,784			44,750
Unallocated Corporate and Shared Services		(661	)		(532	)		(1,676	)		(1,560	)
Total	$	64,054		$	69,634		$	196,125		$	197,022

	Three Months Ended						Nine Months Ended
	September 27,			September 28,			September 27,			September 28,
	2019			2018			2019			2018
Gross Profit Margin
Photonics		46.3	%		47.7	%		46.4	%		47.8	%
Vision		38.5	%		38.9	%		38.7	%		37.4	%
Precision Motion		42.3	%		44.9	%		43.0	%		45.3	%
Total		41.6	%		43.3	%		42.1	%		43.0	%

	Three Months Ended						Nine Months Ended
	September 27,			September 28,			September 27,			September 28,
	2019			2018			2019			2018
Operating Income (Loss)
Photonics	$	10,661		$	14,595		$	34,637		$	46,102
Vision		5,830			5,380			14,602			6,246
Precision Motion		5,221			8,818			16,839			25,037
Unallocated Corporate and Shared Services		(8,911	)		(7,798	)		(23,779	)		(22,048	)
Total	$	12,801		$	20,995		$	42,299		$	55,337

	Three Months Ended				Nine Months Ended
	September 27,		September 28,		September 27,		September 28,
	2019		2018		2019		2018
Depreciation and Amortization Expenses
Photonics	$	3,276	$	2,997	$	8,486	$	9,030
Vision		5,432		5,100		15,658		15,371
Precision Motion		1,061		1,020		3,613		2,364
Unallocated Corporate and Shared Services		71		82		197		621
Total	$	9,840	$	9,199	$	27,954	$	27,386

Schedule of Geographic Revenue

The Company aggregates geographic revenue based on the customer location where products are shipped. Revenue from these customers was as follows (in thousands):

	Three Months Ended				Nine Months Ended
	September 27,		September 28,		September 27,		September 28,
	2019		2018		2019		2018
United States	$	63,278	$	63,073	$	190,048	$	181,653
Germany		21,423		23,089		63,738		64,170
Rest of Europe		30,489		30,222		97,230		80,629
China		11,895		17,516		42,395		51,486
Rest of Asia-Pacific		24,218		24,882		65,367		74,589
Other		2,763		2,012		7,619		5,632
Total	$	154,066	$	160,794	$	466,397	$	458,159

Revenue By End Market

The Company primarily operates in two end markets: the advanced industrial market and the medical market. Revenue by end market was approximately as follows:

	Three Months Ended						Nine Months Ended
	September 27,			September 28,			September 27,			September 28,
	2019			2018			2019			2018
Advanced Industrial		45	%		50	%		45	%		50	%
Medical		55	%		50	%		55	%		50	%
Total		100	%		100	%		100	%		100	%