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Discontinued Operations - Additional Information (Detail) (USD $) | 6 Months Ended | 12 Months Ended
--- | --- | ---
Aug. 03, 2013 | Jan. 31, 2013 | Jan. 30, 2012
Deferred Costs Capitalized Prepaid And Other Assets Disclosure [Abstract] |  |  |
Net sales price |  | $ 18,600,000 | $ 1,000,000
Cash reserve in escrow | $ 1,800,000 |  |
Period of cash reserved | 12 months |  |
Period of transition services and manufacturing, Minimum | 9 months |  |
Period of transition services and manufacturing, Maximum | 12 months |  |

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- Definition Proceeds from discontinued operations held in escrow. + References No definition available. + Details
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- Details
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- Definition The cash inflow associated with the amount received from the sale of a portion of the company's business, for example a segment, division, branch or other business, during the period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Investing Activities -URI http://asc.fasb.org/extlink&oid=6516133 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 12 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3179-108585 + Details
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