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Cash And Marketable Securities (Tables) | 9 Months Ended
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Oct. 03, 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):
| September 30, 2025
| Amortized Cost |  | Gross Unrealized Gains |  | Gross Unrealized Losses |  | Fair Value
Debt securities available-for-sale: |  |  |  |  |  |  |
Commercial paper | $ | 226,314 |  |  | $ | — |  |  | $ | — |  |  | $ | 226,314 |
Corporate bonds | 847,895 |  |  | 4,328 |  |  | (27) |  |  | 852,196 |
U.S. Treasury and government-sponsored enterprises | 171,042 |  |  | 669 |  |  | (50) |  |  | 171,661 |
Municipal bonds | 8,715 |  |  | 46 |  |  | — |  |  | 8,761 |
Total debt securities available-for-sale | 1,253,966 |  |  | 5,043 |  |  | (77) |  |  | 1,258,932 |
Money market funds | 222,394 |  |  | — |  |  | — |  |  | 222,394 |
Certificates of deposit | 85,496 |  |  | — |  |  | — |  |  | 85,496 |
Total cash, cash equivalents and marketable securities | $ | 1,561,856 |  |  | $ | 5,043 |  |  | $ | (77) |  |  | $ | 1,566,822 |
| 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):
| September 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 | $ | 31,172 |  |  | $ | (14) |  |  | $ | 14,028 |  |  | $ | (13) |  |  | $ | 45,200 |  |  | $ | (27) |
U.S. Treasury and government-sponsored enterprises | 8,607 |  |  | (8) |  |  | 20,889 |  |  | (42) |  |  | 29,496 |  |  | (50) |
Total | $ | 39,779 |  |  | $ | (22) |  |  | $ | 34,917 |  |  | $ | (55) |  |  | $ | 74,696 |  |  | $ | (77) |
| 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):
| September 30, 2025 |  | December 31, 2024
Maturing in one year or less | $ | 680,645 |  |  | $ | 888,360 |
Maturing after one year through five years | 578,287 |  |  | 637,291 |
Total debt securities available-for-sale | $ | 1,258,932 |  |  | $ | 1,525,651 |

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