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CONSOLIDATED BALANCE SHEETS (Parenthetical) - $ / shares
Dec. 26, 2021
Dec. 27, 2020
Preferred Stock:    
Par value (usd per share) $ 0.001 $ 0.001
Shares authorized (in shares) 5,000,000 5,000,000
Shares outstanding (in shares) 0 0
Common Stock:    
Par value (in dollars per share) $ 0.001 $ 0.001
Shares authorized (in shares) 195,000,000 195,000,000
Shares issued (in shares) 123,987,424 123,047,147
Shares outstanding (in shares) 123,987,424 123,047,147