| Commitments - Additional Information (Details) - USD ($) | Sep. 27, 2020 | Dec. 29, 2019 | 
|---|---|---|
| Open Non-cancellable Purchase Orders for Raw Materials [Member] | ||
| Loss Contingencies [Line Items] | ||
| Purchase Obligation, to be Paid, Year One | $ 37,708,000 | $ 25,866,000 | 
| Indemnification Agreement [Member] | ||
| Loss Contingencies [Line Items] | ||
| Loss contingency accrual | $ 0 | $ 0 | 
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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. No definition available. 
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- Definition Amount of loss contingency liability. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef 
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- Definition Amount of purchase arrangement to be paid in next fiscal year following current fiscal year. Includes, but is not limited to, recorded and unrecorded purchase obligations, long-term purchase commitment, and short-term purchase commitment. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). No definition available. 
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- Details 
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- Details 
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