Note 17. Segment and Geographical Information (Details) - Major Customers	3 Months Ended	6 Months Ended	3 Months Ended	6 Months Ended
	Jul. 28, 2012 TP Vision [Member]	Jul. 28, 2012 TP Vision [Member]	Aug. 03, 2013 Flextronics [Member]	Aug. 03, 2013 Flextronics [Member]	Jul. 28, 2012 Flextronics [Member]	Jul. 28, 2012 Motorola [Member]
Revenue, Major Customer [Line Items]
Major Customer	18.00%	11.00%	10.00%	12.00%	12.00%	12.00%