Quarterly report pursuant to Section 13 or 15(d)

Net Income (Loss) Per Share (Narrative) (Details)

v3.21.1
Net Income (Loss) Per Share (Narrative) (Details) - shares
3 Months Ended
Mar. 28, 2021
Mar. 29, 2020
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]    
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount 2,628 70,986