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Postretirement Plans - Summary of Changes in Fair Value of Assets With Level 3 Inputs (Detail) - Voluntary Employees Beneficiary Association Plan Assets [Member] - Hedge Funds [Member] $ in Millions | 12 Months Ended
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Jan. 03, 2015 USD ($)
Defined Benefit Plan Disclosure [Line Items] |
Beginning balance | $ 3.6
Unrealized gains attributable to assets held | 0.3
Ending balance | $ 3.9

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- Definition Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Unrealized Gains (Losses) Attributable To Assets Held + References No definition available. + 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 Fair value of financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=36462937&loc=d3e19207-110258 + Details
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