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Condensed Consolidated Balance Sheets (Parenthetical) - USD ($)
$ in Thousands
Jun. 26, 2021
Dec. 26, 2020
Statement of Financial Position [Abstract]    
Allowance for doubtful accounts $ 217 $ 248
Common stock, par value (in dollars per share) $ 0.001 $ 0.001
Common stock, shares authorized (in shares) 250,000,000 250,000,000
Common stock, shares issued (in shares) 77,454,800 77,437,997
Common stock, shares outstanding (in shares) 77,454,800 77,437,997