Segment Information and Enterprise-Wide Disclosure (Tables)

9 Months Ended

Sep. 30, 2013

Segment Information and Enterprise-Wide Disclosure [Abstract]

Schedule Of Revenues From External Customers And Long Lived Assets By Geographical Areas [Table Text Block]

Three Months Ended		Asia		North America		Europe		Consolidated
September 30, 2013
Total sales	$	205,505	$	37,017	$	50,041	$	292,563
Inter-company sales		(22,856)		(15,561)		(29,636)		(68,053)
Net sales	$	182,649	$	21,456	$	20,405	$	224,510
Three Months Ended		Asia		North America		Europe		Consolidated
September 30, 2012
Total sales	$	149,695	$	36,100	$	36,462	$	222,257
Inter-company sales		(17,312)		(18,579)		(19,749)		(55,640)
Net sales	$	132,383	$	17,521	$	16,713	$	166,617
As Of And For The Nine Months Ended		Asia		North America		Europe		Consolidated
September 30, 2013
Total sales	$	558,040	$	109,078	$	127,671	$	794,789
Inter-company sales		(57,752)		(50,985)		(70,199)		(178,936)
Net sales	$	500,288	$	58,093	$	57,472	$	615,853
Property, plant and equipment	$	274,630	$	30,240	$	23,932	$	328,802
Total assets	$	859,322	$	149,820	$	192,978	$	1,202,120
As Of And For The Nine Months Ended		Asia		North America		Europe		Consolidated
September 30, 2012
Total sales	$	422,765	$	101,902	$	120,913	$	645,580
Inter-company sales		(57,364)		(49,624)		(68,073)		(175,061)
Net sales	$	365,401	$	52,278	$	52,840	$	470,519
Property, plant and equipment	$	190,408	$	29,773	$	26,397	$	246,578
Total assets	$	561,004	$	133,192	$	228,971	$	923,167

Schedule of Revenue by Countries [Table Text Block]

		Net Sales
		for the Three Months			Percentage of
		Ended September 30,			Net Sales
		2013		2012	2013	2012
China	$	81,694	$	58,353	36%	35%
Taiwan		43,580		33,184	19%	20%
Korea		17,434		14,701	8%	8%
United States		15,443		15,856	7%	10%
Switzerland		13,679		14,151	6%	8%
Singapore		11,419		8,412	5%	5%
Germany		9,903		6,285	4%	4%
U.K.		5,207		7,636	3%	5%
All Others (1)		26,151		8,039	12%	5%
Total	$	224,510	$	166,617	100%	100%
		Net Sales
		for the Nine Months			Percentage of
		Ended September 30,			Net Sales
		2013		2012	2013	2012
China	$	220,126	$	120,787	36%	26%
Taiwan		114,991		96,632	19%	21%
Korea		50,630		36,554	8%	8%
Switzerland		45,429		42,213	7%	9%
United States		40,212		45,192	6%	10%
Singapore		34,519		19,888	5%	4%
Germany		26,615		19,224	4%	4%
U.K.		23,916		20,614	4%	4%
All Others (1)		59,415		69,415	11%	14%
Total	$	615,853	$	470,519	100%	100%