Concentration of Risk (Tables)

9 Months Ended

Oct. 29, 2017

Net sales [Member] | Customer Concentration Risk [Member]

Concentration Risk [Line Items]

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				Nine Months Ended
(percentage of net sales)	October 29, 2017		October 30, 2016		October 29, 2017		October 30, 2016
Arrow Electronics (and affiliates)	13	%	11	%	10	%	9	%
Trend-tek Technology Ltd (and affiliates)	10	%	8	%	10	%	10	%
Samsung Electronics (and affiliates)	9	%	9	%	8	%	8	%
Premier Technical Sales Korea, Inc. (and affiliates) (1)	5	%	6	%	6	%	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.