Sales Return Reserve (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Jan. 28, 2012	Jan. 29, 2011	Jan. 30, 2010
Beginning balance	$ 3,691	$ 4,690	$ 3,981
Returns	(77,656)	(70,789)	(71,705)
Provisions	76,896	69,790	72,414
Ending balance	$ 2,931	$ 3,691	$ 4,690

The aggregate refunds recognized during an accounting period due to goods returned by customers (other than under warranty provisions). Returns are a deduction from gross revenue in arriving at net revenue.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Article 5

-Section 03

-Paragraph 1

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 225

-SubTopic 10

-Section S99

-Paragraph 2

-Subparagraph (SX 210.5-03.1(a))

-URI http://asc.fasb.org/extlink&oid=6880815&loc=d3e20235-122688

Name:	us-gaap_SalesReturnsGoods
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration