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Cash and Marketable Securities (Tables) | 12 Months Ended
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Jan. 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):
| 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 |
| December 31, 2023
| Amortized Cost |  | Gross Unrealized Gains |  | Gross Unrealized Losses |  | Fair Value
Debt securities available-for-sale: |  |  |  |  |  |  |
Commercial paper | $ | 214,016 |  |  | $ | — |  |  | $ | — |  |  | $ | 214,016 |
Corporate bonds | 870,870 |  |  | 1,652 |  |  | (4,277) |  |  | 868,245 |
U.S. Treasury and government-sponsored enterprises | 409,157 |  |  | 414 |  |  | (2,250) |  |  | 407,321 |
Municipal bonds | 7,880 |  |  | 10 |  |  | (49) |  |  | 7,841 |
Total debt securities available-for-sale | 1,501,923 |  |  | 2,076 |  |  | (6,576) |  |  | 1,497,423 |
Money market funds | 154,287 |  |  | — |  |  | — |  |  | 154,287 |
Certificates of deposit | 72,309 |  |  | — |  |  | — |  |  | 72,309 |
Total cash, cash equivalents and marketable securities | $ | 1,728,519 |  |  | $ | 2,076 |  |  | $ | (6,576) |  |  | $ | 1,724,019 |
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):
| 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) |
| December 31, 2023
| 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 | $ | 255,958 |  |  | $ | (847) |  |  | $ | 281,837 |  |  | $ | (3,430) |  |  | $ | 537,795 |  |  | $ | (4,277) |
U.S. Treasury and government-sponsored enterprises | 163,339 |  |  | (406) |  |  | 155,452 |  |  | (1,844) |  |  | 318,791 |  |  | (2,250) |
Municipal bonds | — |  |  | — |  |  | 5,951 |  |  | (49) |  |  | 5,951 |  |  | (49) |
Total | $ | 419,297 |  |  | $ | (1,253) |  |  | $ | 443,240 |  |  | $ | (5,323) |  |  | $ | 862,537 |  |  | $ | (6,576) |
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):
| December 31,
| 2024 |  | 2023
Maturing in one year or less | $ | 888,360 |  |  | $ | 768,706 |
Maturing after one year through five years | 637,291 |  |  | 728,717 |
Total debt securities available-for-sale | $ | 1,525,651 |  |  | $ | 1,497,423 |

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