Segment Reporting and Geographic Information - (Tables)

3 Months Ended

Mar. 30, 2024

Segment Reporting [Abstract]

Schedule of Revenue from External Customers by Products and Services

The following table lists the different sources of revenue:

	Three Months Ended
	March 30,				April 1,
	2024				2023
Systems and software	$	194,836	85	%	$	166,824	84	%
Parts		20,108	9	%		20,423	10	%
Services		13,902	6	%		11,918	6	%
Total revenue	$	228,846	100	%	$	199,165	100	%

Schedule of Revenue from External Customers Attributed to Foreign Countries by Geographic Area

For geographical revenue reporting, revenue is attributed to the geographic location to which the product is shipped. Revenue by geographic region is as follows:

	Three Months Ended
	March 30		April 1,
	2024		2023
Revenue from third parties:
South Korea	$	80,239	$	45,473
Taiwan		71,103		26,705
China		20,994		36,551
United States		20,868		40,713
Southeast Asia		16,078		17,301
Japan		13,335		14,504
Europe		6,229		17,918
Total revenue	$	228,846	$	199,165

Schedule of Revenue by Major Customer by Reporting Segments

The following customers accounted for 10% or more of total revenue for the indicated periods:

	Three Months Ended
	March 30,			April 1,
	2024			2023
Samsung Semiconductor		26	%		20	%
Taiwan Semiconductor Manufacturing Co. Ltd.		26	%		14	%
SK Hynix Inc.		12	%		2	%