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General - Schedule of Earnings (Loss) Per Share (Details) - USD ($)
$ / shares in Units, shares in Thousands, $ in Thousands
 3 Months Ended
Mar. 31, 2025
Mar. 28, 2024
Numerator:    
Net loss $ (16,816) $ (11,866)
Denominator    
Denominator for basic EPS (in shares) 31,596 31,892
Effect of dilutive employee stock options (in shares) 0 0
Effect of restricted stock units (in shares) 0 0
Effect of convertible senior notes (in shares) 0 0
Diluted weighted-average shares outstanding (in shares) 31,596 31,892
Weighted-average number of anti-dilutive shares excluded from denominator (in thousands):    
Antidilutive securities excluded from computation of earnings per share (in shares) 2,019 12,498
Employee stock options    
Weighted-average number of anti-dilutive shares excluded from denominator (in thousands):    
Antidilutive securities excluded from computation of earnings per share (in shares) 1,765 2,974
Restricted stock units    
Weighted-average number of anti-dilutive shares excluded from denominator (in thousands):    
Antidilutive securities excluded from computation of earnings per share (in shares) 64 50
Performance stock units    
Weighted-average number of anti-dilutive shares excluded from denominator (in thousands):    
Antidilutive securities excluded from computation of earnings per share (in shares) 189 143
Convertible senior notes    
Weighted-average number of anti-dilutive shares excluded from denominator (in thousands):    
Antidilutive securities excluded from computation of earnings per share (in shares) 0 9,331
Common Stock    
Net loss per share - basic:    
Net loss per share - basic (in dollars per share) $ (0.54) $ (0.38)
Net loss per share - diluted:    
Net loss per share - diluted (in dollars per share) (0.54) (0.38)
Class B Common Stock    
Net loss per share - basic:    
Net loss per share - basic (in dollars per share) (0.50) (0.34)
Net loss per share - diluted:    
Net loss per share - diluted (in dollars per share) $ (0.50) $ (0.34)