Note 17. Segment and Geographical Information (Detail) - Net Revenue For Each Geographic Region and Each Significant Country Based on the Ship-to Location (USD $) In Thousands, unless otherwise specified	3 Months Ended
	May 04, 2013	Apr. 28, 2012
Net Revenue For Each Geographic Region	$ 52,540	$ 40,258
Asia [Member]
Net Revenue For Each Geographic Region	38,039	36,604
North America [Member]
Net Revenue For Each Geographic Region	5,030	1,866
Europe [Member]
Net Revenue For Each Geographic Region	7,990	589
Other Regions [Member]
Net Revenue For Each Geographic Region	$ 1,481	$ 1,199