Earnings Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	1 Months Ended	3 Months Ended		9 Months Ended
	Jun. 30, 2023	Sep. 28, 2024	Sep. 30, 2023	Sep. 28, 2024	Sep. 30, 2023
Earnings Per Share
Net income (loss)		$ (28,504)	$ 10,348	$ (167,187)	$ 35,271
Shares used in computing basic earnings per share (in shares)		32,309	31,796	32,114	31,789
Effect of dilutive securities:
Convertible debt and stock-based awards (in shares)		0	282	0	1,130
Shares used in computing diluted earnings per share (in shares)		32,309	32,078	32,114	32,919
Earnings (loss) per share:
Basic (in dollars per share)		$ (0.88)	$ 0.33	$ (5.21)	$ 1.11
Diluted (in dollars per share)		$ (0.88)	$ 0.32	$ (5.21)	$ 1.07
Shares attributable to dilutive effect of conversion of debt securities (in shares)		100	0	200	700
Convertible notes 2025
Earnings (loss) per share:
Repayment of convertible senior notes	$ 535,000
Number of shares of common stock issued in connection with redemption of convertible senior notes (in shares)	900