Geographic Segments (Tables)

12 Months Ended

Dec. 31, 2017

Segment Reporting [Abstract]

Schedule of Segment Reporting

	Year Ended December 31,
	2017			2016			2015
	(In thousands)
Revenues:
Western Hemisphere
Products	$	217,084		$	254,359		$	332,452
Services	65,050			63,350			88,376
Intercompany	27,554			43,856			53,429
Total	$	309,688		$	361,565		$	474,257
Eastern Hemisphere
Products	$	69,664		$	106,862		$	234,853
Services	28,048			34,818			52,963
Intercompany	772			337			5,799
Total	$	98,484		$	142,017		$	293,615
Asia Pacific
Products	$	64,383		$	71,791		$	118,059
Services	11,239			7,551			17,607
Intercompany	781			1,882			5,124
Total	$	76,404		$	81,224		$	140,790
Summary
Products	$	351,132		$	433,012		$	685,364
Services	104,337			105,719			158,946
Intercompany	29,107			46,075			64,352
Eliminations	(29,107		)	(46,075		)	(64,352		)
Total	$	455,469		$	538,731		$	844,310
Depreciation and amortization:
Western Hemisphere	$	30,441		$	21,395		$	20,093
Eastern Hemisphere	4,096			4,965			5,685
Asia Pacific	4,064			4,437			4,491
Corporate	2,374			1,060			208
Total	$	40,974		$	31,857		$	30,477
Income before income taxes:
Western Hemisphere	$	(18,099	)	$	91,221		$	155,763
Eastern Hemisphere	1,379			60,835			89,349
Asia Pacific	4,927			12,779			38,155
Corporate	(53,706		)	(50,941		)	(43,264		)
Eliminations	(146		)	1,974			9,768
Total	$	(65,644	)	$	115,868		$	249,771

	December 31,
	2017			2016
	(In thousands)
Total long-lived assets:
Western Hemisphere	$	482,636		$	317,875
Eastern Hemisphere	264,828			33,338
Asia Pacific	58,606			53,960
Eliminations	(414,814		)	(480		)
Total	$	391,256		$	404,693
Total assets:
Western Hemisphere	$	877,779		$	775,358
Eastern Hemisphere	752,967			318,529
Asia Pacific	185,229			370,043
Eliminations	(416,170		)	(2,526		)
Total	$	1,399,805		$	1,461,404