Segment Information and Enterprise-Wide Disclosure (Tables)

9 Months Ended

Sep. 30, 2012

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, 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
Three Months Ended		Asia		North America		Europe		Consolidated
September 30, 2011
Total sales	$	145,562	$	34,559	$	47,155	$	227,276
Inter-company sales		(25,674)		(15,111)		(25,914)		(66,699)
Net sales	$	119,888	$	19,448	$	21,241	$	160,577
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
As Of And For The Nine Months Ended		Asia		North America		Europe		Consolidated
September 30, 2011
Total sales	$	427,132	$	107,156	$	157,628	$	691,916
Inter-company sales		(64,251)		(46,321)		(89,406)		(199,978)
Net sales	$	362,881	$	60,835	$	68,222	$	491,938
Property, plant and equipment	$	167,413	$	33,562	$	30,888	$	231,863
Total assets	$	485,448	$	96,995	$	191,286	$	773,729

Schedule of Revenue by Countries [Table Text Block]

		Net Sales
		for the Three Months			Percentage of
		Ended September 30,			Net Sales
		2012		2011	2012	2011
China	$	58,353	$	45,842	35%	29%
Taiwan		33,184		32,171	20%	20%
United States		15,856		22,733	10%	14%
Korea		14,701		9,200	8%	6%
Switzerland		14,151		11,962	8%	7%
Singapore		8,412		6,744	5%	4%
U.K.		7,636		7,906	5%	5%
Germany		6,285		7,555	4%	5%
All Others (1)		8,039		16,464	5%	10%
Total	$	166,617	$	160,577	100%	100%
		Net Sales
		for the Nine Months			Percentage of
		Ended September 30,			Net Sales
		2012		2011	2012	2011
China	$	120,787	$	116,416	26%	24%
Taiwan		96,632		106,432	21%	22%
United States		45,192		79,190	10%	15%
Switzerland		42,213		41,954	9%	9%
Korea		36,554		29,389	8%	6%
U.K.		20,614		25,134	4%	5%
Singapore		19,888		18,333	4%	4%
Germany		19,224		25,011	4%	5%
All Others (1)		69,415		50,079	14%	10%
Total	$	470,519	$	491,938	100%	100%