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Commitments and Contingencies - Additional Information (Detail) (USD $) | 1 Months Ended | 3 Months Ended | 6 Months Ended
--- | --- | --- | ---
Jan. 31, 2014 | Aug. 02, 2014 | Aug. 03, 2013 | Aug. 02, 2014 | Aug. 03, 2013
Commitments And Contingencies Disclosure [Abstract] |  |  |  |  |
Estimated costs associated with the replacement program |  |  |  |  | $ 672,000
Replacement costs charged against the reserve |  | 256,000 |  | 256,000 |
Other Accrued Expenses |  | 416,000 |  | 416,000 |
Non-refundable settlement from supplier for recovery | $ 450,000 |  |  |  |
Period of receiving lower product prices |  |  |  | 3 years |

X
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- Definition Product Replacement Cost Charged Against Reserve + References No definition available. + Details
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X
- Definition Cost incurred to replace certain component parts of items manufactured due to non-compliant parts provided by a supplier and used in the manufacture of products. + References No definition available. + Details
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- Definition Product replacement reserve. + References No definition available. + Details
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Balance Type: | credit
Period Type: | instant

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- Details
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