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Significant Accounting Policies (Details) (USD $) In Millions, unless otherwise specified | 12 Months Ended
--- | ---
Jan. 03, 2015 | Dec. 28, 2013 | Dec. 29, 2012
Basis of Presentation and Principles of Consolidation |  |  |
Length of fiscal year | 371 days | 364 days | 364 days
Advertising |  |  |
Advertising expenses | $ 1.7 us-gaap_AdvertisingExpense | $ 2.0 us-gaap_AdvertisingExpense | $ 1.7 us-gaap_AdvertisingExpense
Buildings |  |  |
Property and Equipment |  |  |
Useful life |  |  | 40 years
Leasehold interest in ground leases |  |  |
Property and Equipment |  |  |
Useful life |  |  | 86 years
Low end of range |  |  |
Basis of Presentation and Principles of Consolidation |  |  |
Length of fiscal year | 364 days |  |
Property and Equipment |  |  |
Useful life | 3 years |  |
Long-Lived Assets |  |  |
Useful live of purchased intangible assets | 4 years |  |
High end of range |  |  |
Basis of Presentation and Principles of Consolidation |  |  |
Length of fiscal year | 371 days |  |
Property and Equipment |  |  |
Useful life | 7 years |  |
Long-Lived Assets |  |  |
Useful live of purchased intangible assets | 12 years |  |

X
- Definition Represents the length of fiscal year of the reporting entity in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
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- Definition Amount charged to advertising expense for the period, which are expenses incurred with the objective of increasing revenue for a specified brand, product or product line. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 720 -SubTopic 35 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6420018&loc=d3e36677-107848 + Details
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X
- Definition Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
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Balance Type: | na
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- Details
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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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- Details
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- Details
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