Segment Information (Tables)

3 Months Ended

Mar. 31, 2016

Segment Information [Abstract]

Schedule Of Revenue From Unaffiliated Customers By Geographic Area

	Quarter Ended March 31,
(in thousands)	2016		2015
Revenue from unaffiliated customers:
Americas	$	83,490	$	86,262
Germany		18,882		21,250
Other EMEA		28,549		27,454
Asia Pacific		21,634		25,756
Total  revenue	$	152,555	$	160,722

Schedule Of Revenue From Unaffiliated Customers By Product And Service

	Quarter Ended March 31,
(in thousands)	2016		2015
Revenue by class of product and service:
Products	$	52,495	$	62,715
Materials		38,469		37,107
Services		61,591		60,900
Total revenue	$	152,555	$	160,722

Schedule Of Intercompany Sales By Geographic Area

	Quarter Ended March 31, 2016
	Intercompany Sales to
(in thousands)	Americas		Germany		Other EMEA		Asia Pacific		Total
Americas	$	289	$	6,201	$	3,265	$	2,956	$	12,711
Germany		634		—		451		—		1,085
Other EMEA		13,169		833		881		1,161		16,044
Asia Pacific		1,030		—		3		891		1,924
Total	$	15,122	$	7,034	$	4,600	$	5,008	$	31,764
	Quarter Ended March 31, 2015
	Intercompany Sales to
(in thousands)	Americas		Germany		Other EMEA		Asia Pacific		Total
Americas	$	480	$	10,134	$	5,837	$	4,973	$	21,424
Germany		—		—		804		—		804
Other EMEA		14,915		654		864		646		17,079
Asia Pacific		626		—		13		758		1,397
Total	$	16,021	$	10,788	$	7,518	$	6,377	$	40,704

Schedule Of Income (Loss) From Operations By Geographic Area

	Quarter Ended March 31,
(in thousands)	2016		2015
Income (loss) from operations:
Americas	$	(14,186)	$	(23,106)
Germany		1,011		1,840
Other EMEA		(8,118)		(1,335)
Asia Pacific		5,182		5,584
Subtotal		(16,111)		(17,017)
Intercompany elimination		(648)		(507)
Total	$	(16,759)	$	(17,524)

Schedule Of Assets By Geographic Area

	March 31,		December 31,
(in thousands)	2016		2015
Assets:
Americas	$	375,598	$	384,054
Germany		31,942		36,782
Other EMEA		384,679		369,302
Asia Pacific		104,495		103,137
Total	$	896,714	$	893,275

Schedule Of Cash And Cash Equivalents By Geographic Area

	March 31,		December 31,
(in thousands)	2016		2015
Cash and cash equivalents:
Americas	$	101,186	$	98,913
Germany		9,964		3,901
Other EMEA		32,445		30,487
Asia Pacific		26,179		22,342
Total	$	169,774	$	155,643