Summary of Significant Accounting Policies (Details 2) (USD $)	3 Months Ended	9 Months Ended	12 Months Ended	9 Months Ended
Oct. 27, 2012	Oct. 29, 2011	Oct. 27, 2012	Oct. 29, 2011	Jan. 28, 2012 Target Corporation	Jan. 29, 2011 Target Corporation	Jan. 30, 2010 Target Corporation	Oct. 27, 2012 Restated Target Agreement Minimum	Oct. 27, 2012 Target Canada Agreement Minimum
Significant Contracts
Guaranteed royalty								$ 9,000,000	$ 10,500,000
Royalty revenues	$ 6,730,000	$ 6,015,000	$ 20,551,000	$ 19,615,000	$ 13,800,000	$ 13,000,000	$ 13,200,000

Revenue earned during the period from the leasing or otherwise lending to a third party the entity's rights or title to certain property. Royalty revenue is derived from a percentage or stated amount of sales proceeds or revenue generated by the third party using the entity's property. Examples of property from which royalties may be derived include patents and oil and mineral rights.

Reference 1: 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(e))

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

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 1

-Article 5

Name:	us-gaap_RoyaltyRevenue
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration