Net Income (Loss) Per Share (Schedule of Net Income (Loss) Per Share) (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended				6 Months Ended
	Jun. 29, 2025	Mar. 30, 2025	Jun. 30, 2024	Mar. 31, 2024	Jun. 29, 2025	Jun. 30, 2024
Numerator:
Net loss	$ (6,428)	$ (6,034)	$ (45,175)	$ (18,650)	$ (12,462)	$ (63,825)
Denominator:
Weighted average common shares - basic	28,911		28,883		28,815	29,136
Weighted average common shares - dilutive	28,911		28,883		28,815	29,136
Basic net loss per share	$ (0.22)		$ (1.56)		$ (0.43)	$ (2.19)
Diluted net loss per share	$ (0.22)		$ (1.56)		$ (0.43)	$ (2.19)
Anti-dilutive employee stock-based awards, excluded	331		2,060		362	1,968