Organization and Significant Accounting Policies (Tables)

6 Months Ended

Jun. 26, 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						Six Months Ended
	June 26,			June 28,			June 26,			June 28,
	2020			2019			2020			2019
Lam Research Corporation		39.6	%		40.8	%		42.0	%		40.3	%
Applied Materials, Inc.		25.8	%		19.5	%		24.7	%		20.2	%
Total		65.4	%		60.3	%		66.7	%		60.5	%