Concentration of Risk (Tables)

12 Months Ended

Jan. 31, 2021

Risks and Uncertainties [Abstract]

Schedule Of Significant Customers Accounting For At Least 10% Of Net Sales

The following significant customers accounted for at least 10% of net sales in one or more of the periods indicated:

	Fiscal Year Ended
(percentage of net sales)	January 31, 2021		January 26, 2020		January 27, 2019
Trend-tek Technology Ltd. (and affiliates)	17	%	13	%	14	%
Frontek Technology Corporation (and affiliates)	16	%	11	%	11	%
CEAC International Ltd. (and affiliates)	11	%	8	%	8	%
Arrow Electronics (and affiliates)	9	%	9	%	10	%
Samsung Electronics (and affiliates)	2	%	4	%	8	%
Premier Technical Sales Korea, Inc. (and affiliates) (1)	6	%	7	%	4	%

(1) Premier is a distributor with a concentration of sales to Samsung Electronics (and affiliates). The above percentages represent the Company's estimate of the sales activity related to Samsung Electronics (and affiliates) that is passing through this distributor.

The following table shows the customers that have an outstanding receivable balance that represents at least 10% of total net receivables as of the dates indicated:

	Balance as of
(percentage of net receivables)	January 31, 2021		January 26, 2020
Trend-tek Technology Ltd. (and affiliates)	14	%	13	%
CEAC International Ltd. (and affiliates)	14	%	11	%
Frontek Technology Corporation (and affiliates)	10	%	11	%