Earnings Per Share - Anti-dilutive Options (Details) - shares
shares in Thousands
3 Months Ended 9 Months Ended
Oct. 02, 2020
Sep. 27, 2019
Oct. 02, 2020
Sep. 27, 2019
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]        
Anti-dilutive stock options (in shares) 3 0 2 4
Anti-dilutive stock options        
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]        
Anti-dilutive stock options (in shares) 0 0 0 1
Anti-dilutive restricted stock units        
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]        
Anti-dilutive stock options (in shares) 3 0 2 3