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Common Stock and Share-Based Compensation - Stock-Based Compensation Expense Included in Operating Expenses (Detail) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
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Jun. 27, 2020 | Jun. 29, 2019 | Jun. 27, 2020 | Jun. 29, 2019
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items] |  |  |  |
Stock-based compensation expense | $ 4,537 | $ 3,745 | $ 7,103 | $ 5,810
Advertising, promotional and selling expenses |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items] |  |  |  |
Stock-based compensation expense | 1,147 | 1,121 | 1,852 | 1,598
General and administrative expenses |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items] |  |  |  |
Stock-based compensation expense | $ 3,390 | $ 2,624 | $ 5,251 | $ 4,212

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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 noncash expense for share-based payment arrangement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3602-108585 + Details
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