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Description of Business and Summary of Significant Accounting Policies (Details 3) - USD ($) $ in Millions | 12 Months Ended
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Dec. 30, 2018 | Dec. 31, 2017 | Dec. 25, 2016
Property and equipment |  |  |
Capitalized interest | $ 0.2 | $ 0.3 | $ 0.2
Buildings | Minimum |  |  |
Property and equipment |  |  |
Estimated useful lives | 5 years |  |
Buildings | Maximum |  |  |
Property and equipment |  |  |
Estimated useful lives | 20 years |  |
Leasehold improvements | Maximum |  |  |
Property and equipment |  |  |
Estimated useful lives | 20 years |  |
Furniture, fixtures and equipment | Minimum |  |  |
Property and equipment |  |  |
Estimated useful lives | 5 years |  |
Furniture, fixtures and equipment | Maximum |  |  |
Property and equipment |  |  |
Estimated useful lives | 20 years |  |
Computer equipment | Minimum |  |  |
Property and equipment |  |  |
Estimated useful lives | 2 years |  |
Computer equipment | Maximum |  |  |
Property and equipment |  |  |
Estimated useful lives | 5 years |  |

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- Definition Amount of interest capitalized during the period. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6450988&loc=d3e26243-108391 + Details
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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. + References No definition available. + 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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- Details
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