Business Segments, Customer Concentrations and Geographic Information (Tables)

12 Months Ended

Dec. 31, 2022

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,
	2022		2021		2020
	(In thousands)
Advanced Products	$	5,367,589	$	4,409,207	$	3,604,365
Mainstream Products	1,723,996		1,729,122		1,446,224
Total net sales	$	7,091,585	$	6,138,329	$	5,050,589

(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,
	2022		2021		2020
Communications (smartphones, tablets)	44	%	41	%	41	%
Automotive, industrial and other (ADAS, electrification, infotainment, safety)	20	%	21	%	20	%
Consumer (AR & gaming, connected home, home electronics, wearables)	20	%	22	%	24	%
Computing (data center, infrastructure, PC/laptop, storage)	16	%	16	%	15	%
Total net sales	100	%	100	%	100	%

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,
	2022		2021		2020
	(In thousands)
Europe, Middle East and Africa	$	1,084,853	$	1,061,369	$	848,301
Japan	1,132,121		1,253,717		1,152,641
Asia Pacific (excluding Japan)	1,017,246		999,591		672,563
Total foreign countries	3,234,220		3,314,677		2,673,505
United States	3,857,365		2,823,652		2,377,084
Total net sales	$	7,091,585	$	6,138,329	$	5,050,589

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,
	2022		2021
	(In thousands)
China	$	476,945	$	431,862
Japan	121,842		147,253
Korea	1,868,956		1,719,842
Malaysia	41,978		33,416
Philippines	195,805		189,478
Portugal	82,454		79,326
Taiwan	261,449		264,540
Vietnam	79,630		—
Other foreign countries	583		694
Total foreign countries	3,129,642		2,866,411
United States	5,972		4,647
Total property, plant and equipment, net	$	3,135,614	$	2,871,058