Earnings Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	1 Months Ended	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jul. 01, 2023	Jul. 02, 2022	Jul. 01, 2023	Jul. 02, 2022
Earnings Per Share:
Net income		$ 10,956	$ 22,135	$ 24,923	$ 45,042
Shares used in computing basic earnings per share		31,614	35,722	31,786	36,862
Effect of dilutive securities:
Convertible debt and stock-based awards		1,312	882	1,553	1,201
Shares used in computing diluted earnings per share		32,926	36,604	33,339	38,063
Earnings per share:
Basic (in dollars per share)		$ 0.35	$ 0.62	$ 0.78	$ 1.22
Diluted (in dollars per share)		$ 0.33	$ 0.60	$ 0.75	$ 1.18
Shares attributable to dilutive effect of conversion of debt securities		900	600	1,100	800
0.625% Convertible Senior Notes (2025 Notes)
Earnings per share:
Repayment of convertible senior notes	$ 535,000
Number of shares of common stock issued in connection with redemption of convertible senior notes	900