Business Segments (Tables)

12 Months Ended

Dec. 31, 2014

Dec. 31, 2013

Segment Reporting [Abstract]

Revenue from External Customers by Products and Services [Table Text Block]

The following table presents net sales by product group:

	Net Sales for the Year Ended December 31,
	2014		2013		2012
	(In thousands)
Advanced products	$	1,552,948	$	1,451,664	$	1,302,145
Mainstream products	1,576,492		1,504,786		1,457,401
Total net sales	$	3,129,440	$	2,956,450	$	2,759,546

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

The following table presents net sales by country based on customer location:

	Net Sales for the Year Ended December 31,
	2014		2013		2012
	(In thousands)
China	$	270,282	$	47,202	$	28,641
Ireland	175,095		97,180		110,529
Japan	268,420		394,834		349,360
Singapore	432,942		496,601		452,737
Taiwan	212,719		144,825		99,047
Thailand	104,608		116,376		139,134
Other foreign countries	533,951		454,218		437,148
Total foreign countries	1,998,017		1,751,236		1,616,596
United States	1,131,423		1,205,214		1,142,950
Total net sales	$	3,129,440	$	2,956,450	$	2,759,546

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

The following table presents property, plant and equipment, net, based on the physical location of the asset:

	Property, Plant and Equipment, Net at December 31,
	2014		2013
	(In thousands)
China	$	575,207	$	524,967
Japan	145		10,799
Korea	948,192		916,777
Malaysia	50,137		61,080
Philippines	301,291		240,187
Taiwan	317,192		236,178
Other foreign countries	293		93
Total foreign countries	2,192,457		1,990,081
United States	14,019		16,472
Total property, plant and equipment, net	$	2,206,476	$	2,006,553