XML 45 R34.htm IDEA: XBRL DOCUMENT
v3.19.1

Concentration of Risk (Tables) | 3 Months Ended
--- | ---
Apr. 28, 2019
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:
| Three Months Ended
(percentage of net sales) | April 28, 2019 |  | April 29, 2018
Huawei Technologies Co., Ltd. (and affiliates) | 16 | % |  | 6 | %
Trend-tek Technology Ltd (and affiliates) | 12 | % |  | 12 | %
Frontek Technology Corporation (and affiliates) | 10 | % |  | 8 | %
Arrow Electronics (and affiliates) | 9 | % |  | 12 | %
Samsung Electronics (and affiliates) | 8 | % |  | 8 | %
Premier Technical Sales Korea, Inc. (and affiliates) (1) | 5 | % |  | 5 | %
(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 sales) | April 28, 2019 |  | January 27, 2019
Huawei Technologies Co., Ltd. (and affiliates) | 18 | % |  | 7 | %
Frontek Technology Corporation (and affiliates) | 12 | % |  | 10 | %
Trend-tek Technology Ltd (and affiliates) | 10 | % |  | 11 | %

X
- References No definition available. + Details
Name: | us-gaap_RisksAndUncertaintiesAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- 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://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 275 -SubTopic 10 -Section 50 -Paragraph 18 -URI http://asc.fasb.org/extlink&oid=84177426&loc=d3e6351-108592 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 21 -URI http://asc.fasb.org/extlink&oid=77997519&loc=d3e13537-108611 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 20 -URI http://asc.fasb.org/extlink&oid=77997519&loc=d3e13531-108611 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 275 -SubTopic 10 -Section 50 -Paragraph 21 -URI http://asc.fasb.org/extlink&oid=84177426&loc=d3e6442-108592 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 275 -SubTopic 10 -Section 50 -Paragraph 16 -URI http://asc.fasb.org/extlink&oid=84177426&loc=d3e6327-108592 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 275 -SubTopic 10 -Section 50 -Paragraph 20 -URI http://asc.fasb.org/extlink&oid=84177426&loc=d3e6404-108592 + Details
Name: | us-gaap_SchedulesOfConcentrationOfRiskByRiskFactorTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration