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Restructuring Charges and Asset Impairment - Schedule of Activity of Reserves for Closed Properties (Parenthetical) (Detail) $ in Millions | 6 Months Ended
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Jul. 16, 2016 USD ($)
Restructuring And Related Activities [Abstract] |
Reduction in goodwill | $ (0.2)

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- Definition Amount of increase (decrease) of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267 + Details
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Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | duration

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- References No definition available. + Details
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Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration