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Basic and Diluted Net Income Per Share - Schedule of Anti-dilutive Securities Excluded from Computation of Earnings Per Share (Details) - shares
shares in Thousands
3 Months Ended 9 Months Ended
Sep. 27, 2019
Sep. 28, 2018
Sep. 27, 2019
Sep. 28, 2018
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]        
Anti-dilutive securities excluded from computation of earnings per share, Amount 1,836 389 1,446 279
Employee Stock Options        
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]        
Anti-dilutive securities excluded from computation of earnings per share, Amount 1,836 389 1,446 278
Restricted Stock and Restricted Stock Units        
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]        
Anti-dilutive securities excluded from computation of earnings per share, Amount       1