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Sale and Closure of Company-Owned Stores - Additional Information (Detail) $ in Millions | 12 Months Ended
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Jan. 01, 2017 USD ($) Store | Jan. 03, 2016 USD ($) Store | Dec. 28, 2014 USD ($) Store
Restructuring and Related Activities [Abstract] |  |  |
Number of stores closed | Store | 1 |  |
Reduction of goodwill related to restructuring | $ 0.1 |  |
Number of company-owned stores sold | Store |  | 4 | 14
Pre-tax gain on sale of assets, net of goodwill reduction, charged to general and administrative expenses |  | $ 0.7 | $ 1.7
Reduction of goodwill related to sale of stores |  | $ 0.2 | $ 0.5

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- Definition Number of stores closed. + References No definition available. + Details
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- Definition Amount of gain (loss) on sale or disposal of assets, including but not limited to property plant and equipment, intangible assets and equity in securities of subsidiaries or equity method investee. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 45 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=68055307&loc=d3e2443-110228 + Details
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- Definition Represents the number of stores. + References No definition available. + Details
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