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Schedule II - Valuation and Qualifying Accounts (Details) - Allowance for Doubtful Accounts - USD ($)
$ in Thousands
12 Months Ended
Jan. 02, 2021
Dec. 28, 2019
Dec. 29, 2018
Movement in Valuation Allowances and Reserves [Roll Forward]      
Balance at beginning of period $ 898 $ 699 $ 714
Additions charged to costs and expenses 1,541 1,391 815
Deductions from reserves (1,393) (1,192) (830)
Balance at end of period $ 1,046 $ 898 $ 699