Business Segments, Customer Concentrations and Geographic Information (Tables)

12 Months Ended

Dec. 31, 2023

Segment Reporting [Abstract]

Schedule of revenue from external customers by products and services

Net sales by product group consist of the following:

	For the Year Ended December 31,
	2023		2022		2021
	(In thousands)
Advanced Products	$	5,032,859	$	5,367,589	$	4,409,207
Mainstream Products	1,470,206		1,723,996		1,729,122
Total net sales	$	6,503,065	$	7,091,585	$	6,138,329

(1)Advanced Products include flip chip, memory and wafer-level processing and related test services.

(2)Mainstream Products include all other wirebond packaging and related test services.

Net sales by end market consist of the following:

	For the Year Ended December 31,
	2023		2022		2021
Communications (smartphones, tablets)	50	%	44	%	41	%
Automotive, industrial and other (ADAS, electrification, infotainment, safety)	21	%	20	%	21	%
Computing (data center, infrastructure, PC/laptop, storage)	16	%	16	%	16	%
Consumer (AR & gaming, connected home, home electronics, wearables)	13	%	20	%	22	%
Total net sales	100	%	100	%	100	%

Schedule of 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,
	2023		2022		2021
	(In thousands)
Europe, Middle East and Africa	$	1,043,880	$	1,084,853	$	1,061,369
Japan	935,620		1,132,121		1,253,717
Asia Pacific (excluding Japan)	704,520		1,017,246		999,591
Total foreign countries	2,684,020		3,234,220		3,314,677
United States	3,819,045		3,857,365		2,823,652
Total net sales	$	6,503,065	$	7,091,585	$	6,138,329

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,
	2023		2022
	(In thousands)
China	$	385,544	$	476,945
Japan	143,399		121,842
Korea	1,781,632		1,868,956
Malaysia	51,164		41,978
Philippines	183,430		195,805
Portugal	108,982		82,454
Taiwan	272,428		261,449
Vietnam	365,059		79,630
Other foreign countries	272		583
Total foreign countries	3,291,910		3,129,642
United States	7,535		5,972
Total property, plant and equipment, net	$	3,299,445	$	3,135,614