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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. 30, 2023 | Oct. 01, 2022 | Sep. 30, 2023 | Oct. 01, 2022 | Jun. 01, 2020
Earnings Per Share: |  |  |  |  |  |
Net income |  | $ 10,348 | $ 20,999 | $ 35,271 | $ 66,041 |
Shares used in computing basic earnings per share |  | 31,796 | 34,079 | 31,789 | 35,935 |
Effect of dilutive securities: |  |  |  |  |  |
Convertible debt and stock-based awards |  | 282 | 700 | 1,130 | 1,033 |
Shares used in computing diluted earnings per share |  | 32,078 | 34,779 | 32,919 | 36,968 |
Earnings per share: |  |  |  |  |  |
Basic (in dollars per share) |  | $ 0.33 | $ 0.62 | $ 1.11 | $ 1.84 |
Diluted (in dollars per share) |  | $ 0.32 | $ 0.60 | $ 1.07 | $ 1.79 |
Shares attributable to dilutive effect of conversion of debt securities |  | 0 | 700 | 400 | 700 |
0.625% Convertible Senior Notes (2025 Notes) |  |  |  |  |  |
Earnings per share: |  |  |  |  |  |
Interest rate (as a percent) |  | 0.625% |  | 0.625% |  | 0.625%
Repayment of convertible senior notes | $ 535,000 |  |  |  |  |
Number of shares of common stock issued in connection with redemption of convertible senior notes | 900 |  |  |  |  |

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