Business Segments, Customer Concentrations and Geographic Information (Tables)

12 Months Ended

Dec. 31, 2017

Segment Reporting [Abstract]

Revenue from External Customers by Products and Services

Net sales by product group consist of the following:

	For the Year Ended December 31,
	2017		2016		2015
	(In thousands)
Advanced Products	$	1,950,340	$	1,679,529	$	1,432,493
Mainstream Products	2,236,157		2,214,106		1,452,110
Total net sales	$	4,186,497	$	3,893,635	$	2,884,603

Net sales by country, and property, plant and equipment by physical location

Net sales by region based on customer headquarters location consist of the following:

	For the Year Ended December 31,
	2017		2016		2015
	(In thousands)
Japan	$	1,208,822	$	1,158,318	$	372,810
Asia Pacific (excluding Japan)	827,061		627,177		609,409
Europe, Middle East and Africa	536,552		487,584		489,842
Total foreign countries	2,572,435		2,273,079		1,472,061
United States	1,614,062		1,620,556		1,412,542
Total net sales	$	4,186,497	$	3,893,635	$	2,884,603

Schedule of Disclosure on Geographic Areas, Long-Lived Assets in Individual Foreign Countries by Country

Property, plant and equipment, net, based on physical location, consist of the following:

	December 31,
	2017		2016
	(In thousands)
China	$	528,739	$	500,319
Japan	246,223		245,233
Korea	1,131,271		1,130,147
Malaysia	47,922		36,248
Philippines	309,425		313,885
Portugal	64,578		—
Taiwan	356,174		326,614
Other foreign countries	216		243
Total foreign countries	2,684,548		2,552,689
United States	10,517		11,959
Total property, plant and equipment, net	$	2,695,065	$	2,564,648