Concentration of Risk (Tables)

6 Months Ended

Jul. 30, 2017

Sales Revenue, Goods, Net [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				Six Months Ended
(percentage of net sales)	July 30, 2017		July 31, 2016		July 30, 2017		July 31, 2016
Arrow Electronics (and affiliates)	12	%	10	%	10	%	9	%
Trend-tek Technology Ltd (and affiliates)	11	%	8	%	10	%	10	%
Samsung Electronics (and affiliates)	7	%	8	%	7	%	8	%
Premier Technical Sales Korea, Inc. (and affiliates) (1)	6	%	4	%	6	%	4	%