Earnings Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Oct. 04, 2025	Sep. 28, 2024	Oct. 04, 2025	Sep. 28, 2024
Earnings Per Share [Abstract]
Net loss	$ (9,936)	$ (28,504)	$ (62,223)	$ (167,187)
Shares used in computing basic earnings per share (in shares)	32,835	32,309	32,656	32,114
Effect of dilutive securities:
Stock-based awards (in shares)	0	0	0	0
Shares used in computing diluted earnings per share (in shares)	32,835	32,309	32,656	32,114
Loss per share:
Basic (in dollars per share)	$ (0.30)	$ (0.88)	$ (1.91)	$ (5.21)
Diluted (in dollars per share)	$ (0.30)	$ (0.88)	$ (1.91)	$ (5.21)
Shares excluded from calculation of diluted shares due to net loss (in shares)	200	100	300	200
Antidilutive securities excluded from computation of earnings (in shares)	0	700	0	500