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v3.20.4

Restricted Stock Units Activity (Parenthetical) (Detail) | 12 Months Ended
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Dec. 28, 2020
Restricted Stock Units (RSUs) |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Vested and expected to vest, year | 2023

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- Definition Share-based compensation arrangement by share-based payment award, equity instruments other than options, vested and expected to vest over year. + References No definition available. + Details
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Data Type: | xbrli:gYearItemType
Balance Type: | na
Period Type: | duration

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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
Name: | us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |