Segment Information and Enterprise-Wide Disclosure (Tables)

6 Months Ended

Jun. 30, 2015

Segment Reporting [Abstract]

Schedule of Net Sales from External Customers and Long Lived Assets by Geographical Areas

Net sales are attributed to geographic areas based on the location of subsidiaries producing the net sales (in thousands):

Three Months Ended	Asia			North America			Europe			Consolidated
June 30, 2015
Total sales	$	202,731		$	39,921		$	45,115		$	287,767
Inter-company sales		(30,718	)		(17,402	)		(20,194	)		(68,314	)
Net sales	$	172,013		$	22,519		$	24,921		$	219,453
Three Months Ended	Asia			North America			Europe			Consolidated
June 30, 2014
Total sales	$	200,955		$	38,304		$	47,383		$	286,642
Inter-company sales		(25,518	)		(15,650	)		(22,257	)		(63,425	)
Net sales	$	175,437		$	22,654		$	25,126		$	223,217

As of and for the Six Months Ended	Asia			North America			Europe			Consolidated
June 30, 2015
Total sales	$	394,019		$	79,162		$	88,236		$	561,417
Inter-company sales		(61,557	)		(34,042	)		(40,184	)		(135,783	)
Net sales	$	332,462		$	45,120		$	48,052		$	425,634
Property, plant and equipment, net	$	295,555		$	25,600		$	20,383		$	341,538
Total assets	$	894,645		$	131,885		$	178,654		$	1,205,184
As of and for the Six Months Ended	Asia			North America			Europe			Consolidated
June 30, 2014
Total sales	$	390,322		$	75,089		$	88,929		$	554,340
Inter-company sales		(48,802	)		(30,387	)		(41,948	)		(121,137	)
Net sales	$	341,520		$	44,702		$	46,981		$	433,203
Property, plant and equipment, net	$	262,186		$	28,016		$	22,340		$	312,542
Total assets	$	866,715		$	130,085		$	188,935		$	1,185,735

Schedule of Net Sales by Countries

Net sales were derived from (shipped to) customers located in the following countries (in thousands):

	Net Sales
	for the Three Months				Percentage of
	Ended June 30,				Net Sales
	2015		2014		2015			2014
China	$	130,216	$	139,703		59	%		63	%
United States		21,200		21,765		10	%		10	%
Korea		17,981		14,110		8	%		6	%
Germany		16,205		16,372		7	%		7	%
Singapore		13,515		12,498		6	%		6	%
Taiwan		7,127		6,698		3	%		3	%
All Others (1)		13,209		12,071		7	%		5	%
Total	$	219,453	$	223,217		100	%		100	%

	Net Sales
	for the Six Months				Percentage of
	Ended June 30,				Net Sales
	2015		2014		2015			2014
China	$	251,983	$	267,160		59	%		62	%
United States		41,626		41,406		10	%		10	%
Korea		35,247		34,235		8	%		8	%
Germany		31,536		31,199		7	%		7	%
Singapore		27,690		22,116		7	%		5	%
Taiwan		11,411		13,581		3	%		3	%
All Others (1)		26,141		23,506		6	%		5	%
Total	$	425,634	$	433,203		100	%		100	%

⁽¹⁾ Represents countries with less than 3% of the total net sales each.