Note 19. Segment and Geographical Information (Detail) - Net Revenue To Each Significant Country Based on the Ship-to Location (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Feb. 02, 2013	Jan. 28, 2012	Jan. 29, 2011
Net revenue - Significant country	$ 216,613	$ 182,617	$ 286,915
China, including Hong Kong [Member]
Net revenue - Significant country	112,915	141,122	232,784
Hungary [Member]
Net revenue - Significant country	31,044	20	97
Taiwan [Member]
Net revenue - Significant country	14,191	13,982	21,038
United States [Member]
Net revenue - Significant country	14,771	6,818	9,572
Brazil [Member]
Net revenue - Significant country	7,651	1,296	266
Japan [Member]
Net revenue - Significant country	5,885	6,153	6,609
India [Member]
Net revenue - Significant country	5,628
Thailand [Member]
Net revenue - Significant country	5,281	3,323	3,452
Germany [Member]
Net revenue - Significant country	3,226	552	286
Singapore [Member]
Net revenue - Significant country	2,307	1,322	1,703
Korea [Member]
Net revenue - Significant country	2,119		17
Poland [Member]
Net revenue - Significant country	523	1,389	5,640
Canada [Member]
Net revenue - Significant country	688	853	2,465
Rest of World [Member]
Net revenue - Significant country	$ 10,384	$ 5,787	$ 2,986