Net Sales by Product Group and End Market (Tables)

9 Months Ended

Sep. 30, 2021

Revenue from Contract with Customer [Abstract]

Net sales by product group and end market

The following table presents our net sales by product group. Beginning in 2021, we are reporting memory net sales in advanced products. Previously, memory net sales were reported in mainstream products. Prior year amounts were reclassified to conform to current year presentation.

	For the Three Months Ended September 30,				For the Nine Months Ended September 30,
	2021		2020		2021		2020
	(In thousands)				(In thousands)
Advanced products (1)	$	1,235,753	$	1,002,970	$	3,136,076	$	2,632,222
Mainstream products (2)	445,247		351,053		1,277,609		1,047,326
Total net sales	$	1,681,000	$	1,354,023	$	4,413,685	$	3,679,548

(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 Three Months Ended September 30,				For the Nine Months Ended September 30,
	2021		2020		2021		2020
Communications (handheld devices, smartphones, tablets)	43	%	43	%	41	%	40	%
Consumer (connected home, set-top boxes, televisions, visual imaging, wearables)	22	%	25	%	22	%	25	%
Automotive, industrial and other (driver assist, infotainment, performance, safety)	20	%	17	%	21	%	20	%
Computing (data center, infrastructure, PC/laptop, storage)	15	%	15	%	16	%	15	%
Total net sales	100	%	100	%	100	%	100	%