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Allowance For Doubtful Accounts Disclosures Allowance for Doubtful Accounts (Tables)
3 Months Ended
Mar. 28, 2020
Receivables [Abstract]  
Allowance For Doubtful Accounts Table [Text Block]
A summary of the activity in the allowance for doubtful accounts for the 13 weeks ended March 28, 2020 was as follows:
Balance as of December 28, 2019
 
$
30

Charged to costs and expenses
 
180

Adoption of ASU 2016-13
 
1

Customer accounts written off—net of recoveries
 
(13
)
Balance as of March 28, 2020
 
$
198