Business Segments, Customer Concentrations and Geographic Information (Business Segments) (Details) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2017 USD ($)	Sep. 30, 2017 USD ($)	Jun. 30, 2017 USD ($)	Mar. 31, 2017 USD ($)	Dec. 31, 2016 USD ($)	Sep. 30, 2016 USD ($)	Jun. 30, 2016 USD ($)	Mar. 31, 2016 USD ($)	Dec. 31, 2017 USD ($) segment	Dec. 31, 2016 USD ($)	Dec. 31, 2015 USD ($)
Segment Reporting Information [Line Items]
Number of operating segments | segment									1
Net sales	$ 1,148,423	$ 1,135,027	$ 989,447	$ 913,600	$ 1,021,613	$ 1,086,014	$ 917,326	$ 868,682	$ 4,186,497	$ 3,893,635	$ 2,884,603
Property, plant and equipment, net	2,695,065				2,564,648				2,695,065	2,564,648
China
Segment Reporting Information [Line Items]
Property, plant and equipment, net	528,739				500,319				528,739	500,319
Japan
Segment Reporting Information [Line Items]
Net sales									1,208,822	1,158,318	372,810
Property, plant and equipment, net	246,223				245,233				246,223	245,233
Asia Pacific
Segment Reporting Information [Line Items]
Net sales									827,061	627,177	609,409
Europe, Middle East and Africa
Segment Reporting Information [Line Items]
Net sales									536,552	487,584	489,842
Total foreign countries
Segment Reporting Information [Line Items]
Net sales									2,572,435	2,273,079	1,472,061
Property, plant and equipment, net	2,684,548				2,552,689				2,684,548	2,552,689
United States
Segment Reporting Information [Line Items]
Net sales									1,614,062	1,620,556	$ 1,412,542
Property, plant and equipment, net	10,517				11,959				10,517	11,959
Korea
Segment Reporting Information [Line Items]
Property, plant and equipment, net	1,131,271				1,130,147				1,131,271	1,130,147
Malaysia
Segment Reporting Information [Line Items]
Property, plant and equipment, net	47,922				36,248				47,922	36,248
Philippines
Segment Reporting Information [Line Items]
Property, plant and equipment, net	309,425				313,885				309,425	313,885
Portugal
Segment Reporting Information [Line Items]
Property, plant and equipment, net	64,578				0				64,578	0
Taiwan
Segment Reporting Information [Line Items]
Property, plant and equipment, net	356,174				326,614				356,174	326,614
Other foreign countries
Segment Reporting Information [Line Items]
Property, plant and equipment, net	$ 216				$ 243				$ 216	$ 243
Customer One | Sales | Customer Concentration Risk
Segment Reporting Information [Line Items]
Concentration risk (as a percent)										12.70%	14.40%
Customer Two | Sales | Customer Concentration Risk
Segment Reporting Information [Line Items]
Concentration risk (as a percent)									14.30%	15.80%	11.00%
Advanced Products
Segment Reporting Information [Line Items]
Net sales									$ 1,950,340	$ 1,679,529	$ 1,432,493
Mainstream Products
Segment Reporting Information [Line Items]
Net sales									$ 2,236,157	$ 2,214,106	$ 1,452,110