Segment Information (Tables)

12 Months Ended

Dec. 31, 2015

Segment Reporting [Abstract]

Revenue, Gross Profit, Operating Income (Loss) from Continuing Operations, Depreciation and Amortization, Accounts Receivable and Inventory by Reportable Segments

Revenue, gross profit, operating income (loss) from continuing operations, depreciation and amortization, accounts receivable and inventory by reportable segments are as follows (in thousands):

	Year Ended December 31,
	2015		2014		2013
Revenue
Laser Products	$	168,331	$	177,726	$	166,598
Vision Technologies		124,725		122,187		90,276
Precision Motion		80,542		64,793		60,036
Total	$	373,598	$	364,706	$	316,910

	Year Ended December 31,
	2015			2014			2013
Gross Profit
Laser Products	$	73,602		$	74,224		$	68,819
Vision Technologies		48,966			48,678			35,824
Precision Motion		36,709			28,333			27,778
Unallocated Corporate and Shared Services		(1,387	)		(1,068	)		(194	)
Total	$	157,890		$	150,167		$	132,227

	Year Ended December 31,
	2015			2014			2013
Operating Income (Loss) from Continuing Operations
Laser Products	$	35,971		$	33,053		$	25,143
Vision Technologies		(2,057	)		(43,079	)		3,566
Precision Motion		16,877			13,023			12,062
Unallocated Corporate and Shared Services		(21,858	)		(19,803	)		(21,325	)
Total	$	28,933		$	(16,806	)	$	19,446

	Year Ended December 31,
	2015		2014		2013
Depreciation and Amortization
Laser Products	$	6,083	$	6,481	$	6,335
Vision Technologies		8,599		13,254		8,808
Precision Motion		2,533		1,943		1,979
Unallocated Corporate and Shared Services		2,981		2,743		2,828
Total	$	20,196	$	24,421	$	19,950

	December 31,
	2015		2014
Accounts Receivable
Laser Products		21,763		24,083
Vision Technologies		21,691		18,922
Precision Motion		13,734		8,489
Total accounts receivable		57,188		51,494
Inventory
Laser Products		29,501		34,947
Vision Technologies		19,583		19,596
Precision Motion		10,482		8,400
Total inventory		59,566		62,943
Total segment assets		116,754		114,437

	December 31,
	2015		2014
Total Assets
Total segment assets		116,754		114,437
Cash and cash equivalents		59,959		51,146
Income taxes receivable		2,510		5,906
Deferred tax assets		—		5,971
Prepaid expenses and other current assets		5,989		5,081
Assets of discontinued operations		—		631
Property, plant and equipment, net		40,550		40,088
Deferred tax assets		7,885		2,912
Other assets		12,673		12,134
Intangible assets, net		66,269		67,242
Goodwill		103,456		90,746
Total	$	416,045	$	396,294

Schedule of Geographic Revenue

The Company aggregates geographic revenue based on the customer location where products are shipped. Revenue to these customers is as follows (in thousands, except percentage data):

	Year Ended December 31,
	2015					2014					2013
	Revenue		% of Total			Revenue		% of Total			Revenue		% of Total
United States	$	154,825		41.4	%	$	140,973		38.7	%	$	107,892		34.0	%
Germany		54,743		14.7			59,029		16.2			56,287		17.8
Rest of Europe		48,277		12.9			54,308		14.9			45,698		14.4
China		38,491		10.3			40,792		11.2			37,651		11.9
Rest of Asia-Pacific		62,467		16.7			58,830		16.1			57,802		18.2
Other		14,795		4.0			10,774		2.9			11,580		3.7
Total	$	373,598		100.0	%	$	364,706		100.0	%	$	316,910		100.0	%

Summary of Long-lived Assets

Long-lived assets consist of property, plant and equipment, net, and are aggregated based on the location of the assets. A summary of these long-lived assets is as follows (in thousands):

	December 31,
	2015		2014
United States	$	34,907	$	32,988
Europe		4,014		5,318
China		1,593		1,705
Asia-Pacific and other		36		77
Total	$	40,550	$	40,088