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Cash And Marketable Securities (Tables) | 3 Months Ended
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Apr. 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):
| March 31, 2025
| Amortized Cost |  | Gross Unrealized Gains |  | Gross Unrealized Losses |  | Fair Value
Debt securities available-for-sale: |  |  |  |  |  |  |
Commercial paper | $ | 138,468 |  |  | $ | — |  |  | $ | — |  |  | $ | 138,468 |
Corporate bonds | 1,054,588 |  |  | 3,125 |  |  | (781) |  |  | 1,056,932 |
U.S. Treasury and government-sponsored enterprises | 260,693 |  |  | 759 |  |  | (177) |  |  | 261,275 |
Municipal bonds | 2,990 |  |  | 23 |  |  | — |  |  | 3,013 |
Total debt securities available-for-sale | 1,456,739 |  |  | 3,907 |  |  | (958) |  |  | 1,459,688 |
Money market funds | 126,114 |  |  | — |  |  | — |  |  | 126,114 |
Certificates of deposit | 64,955 |  |  | — |  |  | — |  |  | 64,955 |
Total cash, cash equivalents and marketable securities | $ | 1,647,808 |  |  | $ | 3,907 |  |  | $ | (958) |  |  | $ | 1,650,757 |
| 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):
| March 31, 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 | $ | 257,028 |  |  | $ | (523) |  |  | $ | 129,563 |  |  | $ | (258) |  |  | $ | 386,591 |  |  | $ | (781) |
U.S. Treasury and government-sponsored enterprises | 35,856 |  |  | (109) |  |  | 42,215 |  |  | (68) |  |  | 78,071 |  |  | (177) |
Total | $ | 292,884 |  |  | $ | (632) |  |  | $ | 171,778 |  |  | $ | (326) |  |  | $ | 464,662 |  |  | $ | (958) |
| 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):
| March 31, 2025 |  | December 31, 2024
Maturing in one year or less | $ | 840,247 |  |  | $ | 888,360 |
Maturing after one year through five years | 619,441 |  |  | 637,291 |
Total debt securities available-for-sale | $ | 1,459,688 |  |  | $ | 1,525,651 |

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