Note 12. Net Loss Per Share (Detail) - Excluded Anti-Diluted and Excluded Potentially Dilutive Securities	3 Months Ended	6 Months Ended
Jul. 28, 2012	Jul. 30, 2011	Jul. 28, 2012	Jul. 30, 2011
Excluded Because the Effect of Including Would be Anti-Dilutive [Member] \| Stock Options [Member]
Options and awards excluded	168	329	161	470
Excluded Because the Effect of Including Would be Anti-Dilutive [Member] \| Restricted Stock [Member]
Options and awards excluded	94		57
Excluded Because Exercise Price is in Excess of Average Stock Price [Member] \| Stock Options [Member]
Options and awards excluded	5,454	5,421	5,500	4,429
Excluded Because Potential Buyback Shares Exceed Weighted Average Restricted Stock Units and Awards Outstanding [Member] \| Restricted Stock [Member]
Options and awards excluded	69		401

Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.

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

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-Name Emerging Issues Task Force (EITF)

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

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Diluted Earnings Per Share

-URI http://asc.fasb.org/extlink&oid=6510752

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

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-URI http://asc.fasb.org/extlink&oid=6508534

Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

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Reference 5: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

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Reference 6: http://www.xbrl.org/2003/role/presentationRef

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Reference 7: http://www.xbrl.org/2003/role/presentationRef

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-Name Accounting Standards Codification

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