Note 11 - Intangible Assets (Details) - Intangible Assets (USD $) In Thousands, unless otherwise specified	Feb. 01, 2014	Feb. 02, 2013
Finite-Lived Intangible Assets [Line Items]
Intangible assets	$ 102,128	$ 99,771
Accumulated amortization	(72,348)	(63,198)
Intangible assets, net	29,780	36,573
Acquired Intangible Assets [Member]
Finite-Lived Intangible Assets [Line Items]
Intangible assets	76,321	76,321
Purchased IP [Member]
Finite-Lived Intangible Assets [Line Items]
Intangible assets	$ 25,807	$ 23,450

Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 30

-Section 50

-Paragraph 2

-Subparagraph (a)(1)

-URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16323-109275

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- Definition

Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

+ References

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- Definition

Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

+ References

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