Note 19. Segment and Geographical Information (Detail) - Major Customers	12 Months Ended
	Feb. 02, 2013		Jan. 28, 2012		Jan. 29, 2011
TP Vision [Member]
Major customer	14.00%			[1]		[1]
Flextronics [Member]
Major customer	12.00%			[1]		[1]
Motorola [Member]
Major customer		[1]	17.00%		24.00%
Gemtek [Member]
Major customer		[1]	22.00%		23.00%

[1] Accounted for less than 10% of our net revenue.