Segment Information and Enterprise-Wide Disclosures (Tables)

12 Months Ended

Dec. 31, 2017

Segment Reporting [Abstract]

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

Our primary operations include the operations in Asia, North America and Europe. The table below sets forth net sales by geographic areas based on the location of subsidiaries producing the net sales:

2017	Asia			North America			Europe			Consolidated
Total sales	$	968,720		$	171,964		$	175,004		$	1,315,688
Inter-company sales		(128,924	)		(71,608	)		(60,952	)		(261,484	)
Net sales	$	839,796		$	100,356		$	114,052		$	1,054,204
Property, plant and equipment	$	390,850		$	44,523		$	23,796		$	459,169
Assets	$	1,061,686		$	230,997		$	195,990		$	1,488,673
2016	Asia			North America			Europe			Consolidated
Total sales	$	895,608		$	109,442		$	157,343		$	1,162,393
Inter-company sales		(137,959	)		(22,034	)		(60,238	)		(220,231	)
Net sales	$	757,649		$	87,408		$	97,105		$	942,162
Property, plant and equipment	$	329,587		$	57,145		$	15,256		$	401,988
Assets	$	948,923		$	400,472		$	179,157		$	1,528,552
2015	Asia			North America			Europe			Consolidated
Total sales	$	793,960		$	143,800		$	164,304		$	1,102,064
Inter-company sales		(118,415	)		(60,882	)		(73,863	)		(253,160	)
Net sales	$	675,545		$	82,918		$	90,441		$	848,904
Property, plant and equipment	$	362,186		$	58,152		$	19,002		$	439,340
Assets	$	969,352		$	463,967		$	165,508		$	1,598,827

Schedule of Net Sales by Countries

The table below sets forth net sales by country.  We report net sales based on “shipped to” customer locations as we believe this best represents where our customers’ business activities occur. “All others” represents countries with less than 3% of total net sales each.

			% of Total
2017	Net Sales		Net Sales
China	$	593,098		56	%
U.S.		86,276		8	%
Korea		65,849		6	%
Germany		74,303		7	%
Singapore		58,570		6	%
Taiwan		67,399		6	%
All others		108,709		11	%
Total	$	1,054,204		100	%
			% of Total
2016	Net Sales		Net Sales
China	$	548,015		58	%
U.S.		79,869		8	%
Korea		60,672		6	%
Germany		61,415		7	%
Singapore		48,464		5	%
Taiwan		59,087		6	%
All others		84,640		10	%
Total	$	942,162		100	%
			% of Total
2015	Net Sales		Net Sales
China	$	507,783		60	%
U.S.		76,870		9	%
Korea		66,605		8	%
Germany		57,036		7	%
Singapore		51,742		6	%
Taiwan		30,127		4	%
All others		58,741		6	%
Total	$	848,904		100	%