Commitments and Contingencies - Additional Information - Contractual Obligations (Detail) $ in Thousands  | 
12 Months Ended | 
|---|---|
| 
 Jan. 28, 2017  
USD ($) 
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| Non Cancelable Advertising Other Goods And Service Contracts [Member] | |
| Long-term Purchase Commitment [Line Items] | |
| Contractual obligations related to commitments | $ 19,797 | 
| Contractual obligation agreements expiry period | 1 year | 
| Multi-Year Supply Chain [Member] | |
| Long-term Purchase Commitment [Line Items] | |
| Contractual obligations related to commitments | $ 27,666 | 
| Payments under commitments | $ 11,528 | 
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- Definition Contractual obligation agreements expiry period. No definition available. 
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- Definition Amount of contractual obligation, including but not limited to, long-term debt, capital lease obligations, operating lease obligations, purchase obligations, and other commitments. No definition available. 
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available. 
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- Definition The amount purchased during the period under an unrecorded unconditional purchase obligation (for example, under the take-or-pay or throughput contract). Reference 1: http://www.xbrl.org/2003/role/presentationRef 
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