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Allowance for Doubtful Accounts (Tables)
 12 Months Ended
Jan. 01, 2022
Receivables [Abstract]  
Summary of Activity in Allowance for Doubtful Accounts
A summary of the activity in the allowance for doubtful accounts for the last three fiscal years is as follows:
202120202019
Balance as of beginning of year$67 $30 $29 
(Benefit) Charged to costs and expenses, net
(24)63 21 
Adoption of ASU 2016-13— 1 — 
Customer accounts written off—net of recoveries
(10)(27)(20)
Balance as of end of year$33 $67 $30