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Cash And Marketable Securities (Tables) | 6 Months Ended
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Jul. 04, 2025
Investments, Debt and Equity Securities [Abstract] |
Schedule of Investments by Security Type | Cash, cash equivalents and marketable securities consisted of the following (in thousands):
| June 30, 2025
| Amortized Cost |  | Gross Unrealized Gains |  | Gross Unrealized Losses |  | Fair Value
Debt securities available-for-sale: |  |  |  |  |  |  |
Commercial paper | $ | 166,146 |  |  | $ | — |  |  | $ | — |  |  | $ | 166,146 |
Corporate bonds | 919,105 |  |  | 2,478 |  |  | (453) |  |  | 921,130 |
U.S. Treasury and government-sponsored enterprises | 177,431 |  |  | 277 |  |  | (228) |  |  | 177,480 |
Municipal bonds | 3,855 |  |  | 17 |  |  | — |  |  | 3,872 |
Total debt securities available-for-sale | 1,266,537 |  |  | 2,772 |  |  | (681) |  |  | 1,268,628 |
Money market funds | 43,352 |  |  | — |  |  | — |  |  | 43,352 |
Certificates of deposit | 73,770 |  |  | — |  |  | — |  |  | 73,770 |
Total cash, cash equivalents and marketable securities | $ | 1,383,659 |  |  | $ | 2,772 |  |  | $ | (681) |  |  | $ | 1,385,750 |
| December 31, 2024
| Amortized Cost |  | Gross Unrealized Gains |  | Gross Unrealized Losses |  | Fair Value
Debt securities available-for-sale: |  |  |  |  |  |  |
Commercial paper | $ | 172,891 |  |  | $ | — |  |  | $ | — |  |  | $ | 172,891 |
Corporate bonds | 1,012,035 |  |  | 1,498 |  |  | (2,167) |  |  | 1,011,366 |
U.S. Treasury and government-sponsored enterprises | 339,126 |  |  | 226 |  |  | (959) |  |  | 338,393 |
Municipal bonds | 2,990 |  |  | 11 |  |  | — |  |  | 3,001 |
Total debt securities available-for-sale | 1,527,042 |  |  | 1,735 |  |  | (3,126) |  |  | 1,525,651 |
Money market funds | 145,690 |  |  | — |  |  | — |  |  | 145,690 |
Certificates of deposit | 77,226 |  |  | — |  |  | — |  |  | 77,226 |
Total cash, cash equivalents and marketable securities | $ | 1,749,958 |  |  | $ | 1,735 |  |  | $ | (3,126) |  |  | $ | 1,748,567 |
Schedule of Fair Value and Gross Unrealized Losses of Investments Available-for-Sale in an Unrealized Loss Position | The fair value and gross unrealized losses on debt securities available-for-sale in an unrealized loss position were as follows (in thousands):
| June 30, 2025
| In an Unrealized Loss Position Less than 12 Months |  | In an Unrealized Loss Position 12 Months or Greater |  | Total
| Fair Value |  | Gross Unrealized Losses |  | Fair Value |  | Gross Unrealized Losses |  | Fair Value |  | Gross Unrealized Losses
Corporate bonds | $ | 252,118 |  |  | $ | (377) |  |  | $ | 55,318 |  |  | $ | (76) |  |  | $ | 307,436 |  |  | $ | (453) |
U.S. Treasury and government-sponsored enterprises | 78,886 |  |  | (222) |  |  | 4,993 |  |  | (6) |  |  | 83,879 |  |  | (228) |
Total | $ | 331,004 |  |  | $ | (599) |  |  | $ | 60,311 |  |  | $ | (82) |  |  | $ | 391,315 |  |  | $ | (681) |
| December 31, 2024
| In an Unrealized Loss Position Less than 12 Months |  | In an Unrealized Loss Position 12 Months or Greater |  | Total
| Fair Value |  | Gross Unrealized Losses |  | Fair Value |  | Gross Unrealized Losses |  | Fair Value |  | Gross Unrealized Losses
Corporate bonds | $ | 370,065 |  |  | $ | (1,630) |  |  | $ | 160,887 |  |  | $ | (537) |  |  | $ | 530,952 |  |  | $ | (2,167) |
U.S. Treasury and government-sponsored enterprises | 125,224 |  |  | (755) |  |  | 56,984 |  |  | (204) |  |  | 182,208 |  |  | (959) |
Total | $ | 495,289 |  |  | $ | (2,385) |  |  | $ | 217,871 |  |  | $ | (741) |  |  | $ | 713,160 |  |  | $ | (3,126) |
Schedule of Fair Value of Cash Equivalents and Investments by Contractual Maturity | The fair values of debt securities available-for-sale by contractual maturity were as follows (in thousands):
| June 30, 2025 |  | December 31, 2024
Maturing in one year or less | $ | 673,976 |  |  | $ | 888,360 |
Maturing after one year through five years | 594,652 |  |  | 637,291 |
Total debt securities available-for-sale | $ | 1,268,628 |  |  | $ | 1,525,651 |

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