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		9 Months Ended
	Oct. 01, 2023	Oct. 02, 2022	Oct. 01, 2023	Oct. 02, 2022
Numerator:
Net income (loss)	$ (84,799)	$ 2,801	$ (103,098)	$ (62,943)
Denominator:
Weighted average common shares - basic	29,524	28,891	29,266	29,023
Potentially dilutive common share equivalent	0	138	0	0
Weighted average common shares - dilutive	29,524	29,029	29,266	29,023
Basic net income (loss) per share	$ (2.87)	$ 0.10	$ (3.52)	$ (2.17)
Diluted net income (loss) per share	$ (2.87)	$ 0.10	$ (3.52)	$ (2.17)
Anti-dilutive employee stock-based awards, excluded	2,563	1,539	2,358	1,582