Organization and Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2021

Organization Consolidation And Presentation Of Financial Statements [Abstract]

Customers as Percentage of Total Revenues

The Company’s most significant customers (having individually accounted for 10% or more of accounts receivable) and their related revenues as a percentage of total revenues were as follows:  

	Fiscal Year Ended
	2021			2020			2019
Lam Research Corporation		40.2	%		42.9	%		41.7	%
Applied Materials, Inc.	23.8			24.2			25.2
Total		64.0	%		67.1	%		66.9	%