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Significant Accounting Policies (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2016 | Jan. 02, 2016 | Jan. 03, 2015
Basis of Presentation and Principles of Consolidation |  |  |
Length of fiscal year | 364 days | 364 days | 371 days
Impairment charges on equity investments | $ 0.0 |  |
Advertising |  |  |
Advertising expenses | $ 1.6 | $ 1.8 | $ 1.7
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 lives of purchased intangible assets | 2 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 lives of purchased intangible assets | 12 years |  |

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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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