Receivables, Net (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 27, 2021	Mar. 28, 2020	Dec. 26, 2020
Accounts, Notes, Loans and Financing Receivable [Line Items]
Customers, trade	$ 39,329		$ 36,735
Other receivables	1,393		1,125
Gross receivables	40,722		37,860
Less: allowance for doubtful accounts	(131)		(144)
Receivables, net	40,591		$ 37,716
Allowance for doubtful accounts [Abstract]
Bad debt expense	$ 0	$ (35)

Allowance for doubtful accounts [Abstract]

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- Definition

Gross receivables

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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.

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No definition available.

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- Definition

Amount, before allowance for credit loss, of right to consideration from customer for product sold and service rendered in normal course of business, classified as current.

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Amount of allowance for credit loss on accounts receivable, classified as current.

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Amount due from parties in nontrade transactions, classified as other.

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Amount of expense (reversal of expense) for expected credit loss on accounts receivable.

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The total amount due to the entity within one year of the balance sheet date (or one operating cycle, if longer) from outside sources, including trade accounts receivable, notes and loans receivable, as well as any other types of receivables, net of allowances established for the purpose of reducing such receivables to an amount that approximates their net realizable value.

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