Earnings (Loss) Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended
	Apr. 01, 2023	Apr. 02, 2022
Earnings (Loss) Per Share
Net income	$ 13,967	$ 22,907
Shares used in computing basic earnings per share	31,959	38,003
Effect of dilutive securities:
Convertible debt and stock-based awards	1,794	1,520
Shares used in computing diluted earnings per share	33,753	39,523
Earnings per share:
Basic (in dollars per share)	$ 0.44	$ 0.60
Diluted (in dollars per share)	$ 0.41	$ 0.58
Shares attributable to dilutive effect of conversion of debt securities	1,200	1,000