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Concentration of Risk (Tables) | 12 Months Ended
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Jan. 26, 2020
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 26, 2020 |  | January 27, 2019 |  | January 28, 2018
Trend-tek Technology Ltd. (and affiliates) | 13 | % |  | 14 | % |  | 10 | %
Frontek Technology Corporation (and affiliates) | 11 | % |  | 11 | % |  | 7 | %
Arrow Electronics (and affiliates) | 9 | % |  | 10 | % |  | 11 | %
Samsung Electronics (and affiliates) | 4 | % |  | 8 | % |  | 8 | %
Premier Technical Sales Korea, Inc. (and affiliates) (1) | 7 | % |  | 4 | % |  | 6 | %
(1) Premier is a distributor with a concentration of sales to Samsung. The above percentages represent the Company's estimate of the sales activity related to Samsung 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 26, 2020 |  | January 27, 2019
Trend-tek Technology Ltd. (and affiliates) | 13 | % |  | 11 | %
Frontek Technology Corporation (and affiliates) | 11 | % |  | 10 | %
CEAC International Limited | 11 | % |  | 7 | %

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- Definition Tabular disclosure of the nature of a concentration, a benchmark to which it is compared, and the percentage that the risk is to the benchmark. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 21 -URI http://asc.fasb.org/extlink&oid=118260190&loc=d3e13537-108611 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 20 -URI http://asc.fasb.org/extlink&oid=118260190&loc=d3e13531-108611 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 275 -SubTopic 10 -Section 50 -Paragraph 20 -URI http://asc.fasb.org/extlink&oid=99393423&loc=d3e6404-108592 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 275 -SubTopic 10 -Section 50 -Paragraph 16 -URI http://asc.fasb.org/extlink&oid=99393423&loc=d3e6327-108592 Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 275 -SubTopic 10 -Section 50 -Paragraph 18 -URI http://asc.fasb.org/extlink&oid=99393423&loc=d3e6351-108592 Reference 6: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 275 -SubTopic 10 -Section 50 -Paragraph 21 -URI http://asc.fasb.org/extlink&oid=99393423&loc=d3e6442-108592 + Details
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