Note 18. Segment and Geographical Information (Details) - Major Customers	3 Months Ended		9 Months Ended
	Nov. 02, 2013	Oct. 27, 2012	Nov. 02, 2013	Oct. 27, 2012
TP Vision [Member]
Revenue, Major Customer [Line Items]
Major Customer		23.00%		16.00%
Flextronics [Member]
Revenue, Major Customer [Line Items]
Major Customer		10.00%		11.00%
Motorola [Member]
Revenue, Major Customer [Line Items]
Major Customer	12.00%