Segment Information (Tables)

6 Months Ended

Jun. 30, 2017

Segment Information [Abstract]

Schedule Of Revenue From Unaffiliated Customers By Product And Service

	Quarter Ended June 30,				Six Months Ended June 30,
(in thousands)	2017		2016		2017		2016
Revenue from unaffiliated customers:
United States	$	80,921	$	76,369	$	158,793	$	153,018
Other Americas		2,347		7,232		4,766		14,073
Germany		20,331		20,547		40,147		39,429
Other EMEA		33,118		28,207		66,260		56,756
Asia Pacific		22,750		25,756		45,932		47,390
Total  revenue	$	159,467	$	158,111	$	315,898	$	310,666
	Quarter Ended June 30,				Six Months Ended June 30,
(in thousands)	2017		2016		2017		2016
Revenue by class of product and service:
Products	$	50,547	$	54,322	$	102,454	$	106,817
Materials		43,874		40,577		86,697		79,046
Services		65,046		63,212		126,747		124,803
Total revenue	$	159,467	$	158,111	$	315,898	$	310,666

Schedule Of Intercompany Sales By Geographic Area

	Quarter Ended June 30, 2017
	Intercompany Sales to
(in thousands)	Americas		Germany		Other EMEA		Asia Pacific		Total
Americas	$	537	$	7,917	$	1,988	$	4,955	$	15,397
Germany		473		—		1,887		—		2,360
Other EMEA		17,684		785		882		902		20,253
Asia Pacific		342		—		22		1,135		1,499
Total intercompany sales	$	19,036	$	8,702	$	4,779	$	6,992	$	39,509
	Quarter Ended June 30, 2016
	Intercompany Sales to
(in thousands)	Americas		Germany		Other EMEA		Asia Pacific		Total
Americas	$	989	$	9,013	$	2,804	$	6,604	$	19,410
Germany		2,730		—		827		64		3,621
Other EMEA		16,805		345		1,484		1,087		19,721
Asia Pacific		634		—		16		915		1,565
Total intercompany sales	$	21,158	$	9,358	$	5,131	$	8,670	$	44,317
	Six Months Ended June 30, 2017
	Intercompany Sales to
(in thousands)	Americas		Germany		Other EMEA		Asia Pacific		Total
Americas	$	898	$	17,708	$	4,942	$	8,853	$	32,401
Germany		489		—		3,702		2		4,193
Other EMEA		34,215		1,945		3,081		1,913		41,154
Asia Pacific		879		—		157		2,149		3,185
Total intercompany sales	$	36,481	$	19,653	$	11,882	$	12,917	$	80,933
	Six Months Ended June 30, 2016
	Intercompany Sales to
(in thousands)	Americas		Germany		Other EMEA		Asia Pacific		Total
Americas	$	1,278	$	15,214	$	6,069	$	9,560	$	32,121
Germany		3,364		—		1,278		64		4,706
Other EMEA		29,974		1,178		2,365		2,248		35,765
Asia Pacific		1,664		—		19		1,806		3,489
Total intercompany sales	$	36,280	$	16,392	$	9,731	$	13,678	$	76,081

Schedule Of Income (Loss) From Operations By Geographic Area

	Quarter Ended June 30,				Six Months Ended June 30,
(in thousands)	2017		2016		2017		2016
Income (loss) from operations:
Americas	$	(15,639)	$	(4,747)	$	(29,089)	$	(18,933)
Germany		(272)		3,960		1,785		4,971
Other EMEA		3,780		(8,064)		2,256		(16,182)
Asia Pacific		5,832		5,921		10,173		11,103
Subtotal		(6,299)		(2,930)		(14,875)		(19,041)
Intercompany elimination		(565)		(787)		(1,060)		(1,435)
Total	$	(6,864)	$	(3,717)	$	(15,935)	$	(20,476)