Organization and Significant Accounting Policies (Tables)

3 Months Ended

Mar. 27, 2020

Organization Consolidation And Presentation Of Financial Statements [Abstract]

Customers as Percentage of Total Revenues

Two of the Company’s customers accounted for 10% or more of revenues and their related revenues as a percentage of total revenues were as follows:  

	Three Months Ended
	March 27,			March 29,
	2020			2019
Lam Research Corporation		44.6	%		39.6	%
Applied Materials, Inc.		23.4	%		20.9	%
Total		68.0	%		60.5	%