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Property and Equipment, Net - Summary of Estimated Useful Lives of Property and Equipment (Detail) | 6 Months Ended
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Jun. 28, 2014
Property, Plant and Equipment [Line Items] |
Estimated useful life of property and equipment | 20 years
Leasehold improvements [Member] | Minimum [Member] |
Property, Plant and Equipment [Line Items] |
Estimated useful life of property and equipment | 3 years
Leasehold improvements [Member] | Maximum [Member] |
Property, Plant and Equipment [Line Items] |
Estimated useful life of property and equipment | 5 years
Facility subject to capital lease [Member] |
Property, Plant and Equipment [Line Items] |
Estimated useful life of property and equipment | 20 years
Machinery and equipment [Member] | Minimum [Member] |
Property, Plant and Equipment [Line Items] |
Estimated useful life of property and equipment | 2 years
Machinery and equipment [Member] | Maximum [Member] |
Property, Plant and Equipment [Line Items] |
Estimated useful life of property and equipment | 5 years
Computer software (purchased and developed) [Member] | Minimum [Member] |
Property, Plant and Equipment [Line Items] |
Estimated useful life of property and equipment | 2 years
Computer software (purchased and developed) [Member] | Maximum [Member] |
Property, Plant and Equipment [Line Items] |
Estimated useful life of property and equipment | 3 years
Computer software (purchased and developed) and equipment [Member] | Minimum [Member] |
Property, Plant and Equipment [Line Items] |
Estimated useful life of property and equipment | 2 years
Computer software (purchased and developed) and equipment [Member] | Maximum [Member] |
Property, Plant and Equipment [Line Items] |
Estimated useful life of property and equipment | 5 years
Vehicles [Member] | Minimum [Member] |
Property, Plant and Equipment [Line Items] |
Estimated useful life of property and equipment | 3 years
Vehicles [Member] | Maximum [Member] |
Property, Plant and Equipment [Line Items] |
Estimated useful life of property and equipment | 5 years
Furniture and fixtures [Member] | Minimum [Member] |
Property, Plant and Equipment [Line Items] |
Estimated useful life of property and equipment | 3 years
Furniture and fixtures [Member] | Maximum [Member] |
Property, Plant and Equipment [Line Items] |
Estimated useful life of property and equipment | 7 years

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- Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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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. + References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration