Organization and Significant Accounting Policies (Tables)

3 Months Ended

Mar. 26, 2021

Organization Consolidation And Presentation Of Financial Statements [Abstract]

Customers as Percentage of Total Revenues

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

	Three Months Ended
	March 26,			March 27,
	2021			2020
Lam Research Corporation		45.7	%		44.6	%
Applied Materials, Inc.		23.5	%		23.4	%
Total		69.2	%		68.0	%