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Summary of Total Cost and Employer Contributions (Detail) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jul. 13, 2019 | Jul. 14, 2018 | Jul. 13, 2019 | Jul. 14, 2018
401(k) Retirement Savings Plans |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Total cost and employer contributions | $ 6,370 | $ 6,213 | $ 14,873 | $ 13,545

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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 Amount of cost for defined contribution plan. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 70 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=49170846&loc=d3e28014-114942 + Details
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- Details
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