Details of Certain Balance Sheet Accounts - Accounts Receivable, Net (Details) - USD ($) $ in Thousands	Jun. 27, 2020	Dec. 28, 2019
Accounts receivable, net:
Allowance for credit losses	$ (653)	$ (3,040)
Accounts receivable, net of allowance	58,451	44,475
Employee retention credit in other receivables, CARES Act	10,800
Trade receivables
Accounts receivable, net:
Accounts receivable, gross	24,207	28,635
Credit card receivables
Accounts receivable, net:
Accounts receivable, gross	19,080	14,173
Other receivables (1)
Accounts receivable, net:
Accounts receivable, gross	$ 15,817	$ 4,707

Employee Retention Credit Receivable, CARES Act

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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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