Summary of Significant Accounting Policies - Summary of Estimated Useful Lives or Expected Lease Term (Detail) |
12 Months Ended |
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Jan. 28, 2017 | |
Equipment and Fixtures [Member] | Minimum [Member] | |
Property, Plant and Equipment [Line Items] | |
Estimated useful lives or the expected lease term | 3 years |
Equipment and Fixtures [Member] | Maximum [Member] | |
Property, Plant and Equipment [Line Items] | |
Estimated useful lives or the expected lease term | 10 years |
Leasehold Improvements [Member] | |
Property, Plant and Equipment [Line Items] | |
Estimated useful lives or the expected lease term | 10 years |
Electronic Equipment and Software [Member] | Minimum [Member] | |
Property, Plant and Equipment [Line Items] | |
Estimated useful lives or the expected lease term | 3 years |
Electronic Equipment and Software [Member] | Maximum [Member] | |
Property, Plant and Equipment [Line Items] | |
Estimated useful lives or the expected lease term | 5 years |
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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 Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment. No definition available.
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