Segment Information (Tables)

12 Months Ended

Dec. 31, 2018

Segment Reporting [Abstract]

Schedule of Segment Reporting Information, by Geographical Areas

Summarized financial information concerning the Company’s geographical operations is shown in the following tables: 

(in thousands)	2018		2017		2016
Revenue from unaffiliated customers:
United States	$	332,611	$	322,399	$	329,553
Other Americas	8,154		11,377		11,332
EMEA	237,462		220,357		193,141
Asia Pacific	109,433		91,936		98,939
Total revenue	$	687,660	$	646,069	$	632,965

(in thousands)	2018		2017		2016
Revenue by class of product and service:
Products	$	259,124	$	222,750	$	238,011
Materials	170,091		168,846		156,839
Services	258,445		254,473		238,115
Total revenue	$	687,660	$	646,069	$	632,965

໿

	Year Ended December 31, 2018
	Intercompany Sales to
(in thousands)	Americas		EMEA		Asia Pacific		Total
Americas	$	2,342	$	59,206	$	22,962	$	84,510
EMEA	75,875		28,075		7,209		111,159
Asia Pacific	4,633		32		3,570		8,235
Total	$	82,850	$	87,313	$	33,741	$	203,904
	Year Ended December 31, 2017
	Intercompany Sales to
(in thousands)	Americas		EMEA		Asia Pacific		Total
Americas	$	2,169	$	51,689	$	20,388	$	74,246
EMEA	70,709		19,098		4,945		94,752
Asia Pacific	2,790		174		3,936		6,900
Total	$	75,668	$	70,961	$	29,269	$	175,898
	Year Ended December 31, 2016
	Intercompany Sales to
(in thousands)	Americas		EMEA		Asia Pacific		Total
Americas	$	3,013	$	39,839	$	21,639	$	64,491
EMEA	65,209		12,286		6,091		83,586
Asia Pacific	3,046		369		3,959		7,374
Total	$	71,268	$	52,494	$	31,689	$	155,451

(in thousands)	2018			2017			2016
Income (loss) from operations:
Americas	$	(69,081	)	$	(79,429	)	$	(64,377	)
EMEA	5,283			7,483			6,016
Asia Pacific	20,607			17,973			19,941
Total	$	(43,191	)	$	(53,973	)	$	(38,420	)

(in thousands)	2018		2017		2016
Depreciation and amortization:
Americas	$	25,005	$	25,484	$	25,892
EMEA	30,191		31,135		29,946
Asia Pacific	4,097		5,422		4,697
Total	$	59,293	$	62,041	$	60,535

(in thousands)	2018		2017		2016
Capital expenditures:
Americas	$	19,668	$	23,925	$	8,172
EMEA	20,057		5,227		5,947
Asia Pacific	969		1,729		2,448
Total	$	40,694	$	30,881	$	16,567

	At December 31,
(in thousands)	2018		2017		2016
Assets:
Americas	$	284,676	$	329,550	$	345,412
EMEA	433,326		454,319		382,163
Asia Pacific	107,830		112,895		121,578
Total	$	825,832	$	896,764	$	849,153
	At December 31,
(in thousands)	2018		2017		2016
Cash and cash equivalents:
Americas	$	39,316	$	51,475	$	105,750
EMEA	41,581		52,642		44,877
Asia Pacific	29,101		32,227		34,320
Total	$	109,998	$	136,344	$	184,947