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Financial Instruments - Components of Cash, Cash Equivalents, and Investments (Details) - USD ($) $ in Thousands | Mar. 30, 2025 | Dec. 31, 2024
--- | --- | ---
Debt Securities, Available-for-sale |  |
Cash and cash equivalents | $ 143,744 | $ 186,094
Gross Unrealized Losses | (2,606) | (5,317)
Gross Unrealized Gains | 1,261 | 413
Fair Value | 369,013 |
Total | 514,102 | 591,852
Fair Value | 512,757 | 586,948
Current Investments | 56,703 | 59,956
Non-current Investments | 312,310 | 340,898
Corporate bonds |  |
Debt Securities, Available-for-sale |  |
Amortized Cost | 317,385 | 344,804
Gross Unrealized Losses | (2,041) | (4,299)
Gross Unrealized Gains | 1,193 | 411
Fair Value | 316,537 | 340,916
Current Investments | 47,220 | 55,742
Non-current Investments | 269,317 | 285,174
Treasury notes |  |
Debt Securities, Available-for-sale |  |
Amortized Cost | 33,827 | 46,071
Gross Unrealized Losses | (77) | (439)
Gross Unrealized Gains | 43 | 2
Fair Value | 33,793 | 45,634
Current Investments | 2,495 | 2,487
Non-current Investments | 31,298 | 43,147
Asset-backed securities |  |
Debt Securities, Available-for-sale |  |
Amortized Cost | 18,139 | 13,870
Gross Unrealized Losses | (474) | (556)
Gross Unrealized Gains | 25 | 0
Fair Value | 17,690 | 13,314
Current Investments | 5,995 | 737
Non-current Investments | 11,695 | 12,577
Sovereign bonds |  |
Debt Securities, Available-for-sale |  |
Amortized Cost | 1,007 | 1,013
Gross Unrealized Losses | (14) | (23)
Gross Unrealized Gains | 0 | 0
Fair Value | 993 | 990
Current Investments | 993 | 990
Non-current Investments | 0 | 0
Cash |  |
Debt Securities, Available-for-sale |  |
Cash and cash equivalents | 121,283 | 170,852
Cash and cash equivalents, fair value | 121,283 | 170,852
Money market instruments |  |
Debt Securities, Available-for-sale |  |
Cash and cash equivalents | 482 | 15,242
Cash and cash equivalents, fair value | 482 | $ 15,242
Certificate of deposit |  |
Debt Securities, Available-for-sale |  |
Cash and cash equivalents | 20,979 |
Cash and cash equivalents, fair value | 20,979 |
Treasury bills |  |
Debt Securities, Available-for-sale |  |
Cash and cash equivalents | 1,000 |
Cash and cash equivalents, fair value | $ 1,000 |

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- Definition Amount, before tax, of unrealized gain in accumulated other comprehensive income (AOCI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481800/320-10-50-2 + Details
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- Definition Amount of cash and cash equivalent. Cash includes, but is not limited to, currency on hand, demand deposit with financial institution, and account with general characteristic of demand deposit. Cash equivalent includes, but is not limited to, short-term, highly liquid investment that is both readily convertible to known amount of cash and so near maturity that it presents insignificant risk of change in value because of change in interest rate. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(1)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 1 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147483467/210-10-45-1 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 4 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482740/230-10-45-4 + Details
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