Financial Instruments - Components of Cash, Cash Equivalents, and Investments (Details) - USD ($) $ in Thousands	Sep. 28, 2025	Dec. 31, 2024
Debt Securities, Available-for-sale
Cash and cash equivalents	$ 245,898	$ 186,094
Gross Unrealized Losses	(939)	(5,317)
Gross Unrealized Gains	2,810	413
Debt Securities, Available-for-Sale, Total	354,446
Total	598,473	591,852
Fair Value	600,344	586,948
Current Investments	54,368	59,956
Non-current Investments	300,078	340,898
Corporate bonds
Debt Securities, Available-for-sale
Amortized Cost	315,660	344,804
Gross Unrealized Losses	(592)	(4,299)
Gross Unrealized Gains	2,697	411
Debt Securities, Available-for-Sale, Total	317,765	340,916
Current Investments	51,879	55,742
Non-current Investments	265,886	285,174
Treasury notes
Debt Securities, Available-for-sale
Amortized Cost	29,604	46,071
Gross Unrealized Losses	(7)	(439)
Gross Unrealized Gains	113	2
Debt Securities, Available-for-Sale, Total	29,710	45,634
Current Investments	0	2,487
Non-current Investments	29,710	43,147
Asset-backed securities
Debt Securities, Available-for-sale
Amortized Cost	4,822	13,870
Gross Unrealized Losses	(340)	(556)
Gross Unrealized Gains	0	0
Debt Securities, Available-for-Sale, Total	4,482	13,314
Current Investments	0	737
Non-current Investments	4,482	12,577
Sovereign bonds
Debt Securities, Available-for-sale
Amortized Cost	1,000	1,013
Gross Unrealized Losses	0	(23)
Gross Unrealized Gains	0	0
Debt Securities, Available-for-Sale, Total	1,000	990
Current Investments	1,000	990
Non-current Investments	0	0
Treasury bills
Debt Securities, Available-for-sale
Amortized Cost	1,489
Gross Unrealized Losses	0
Gross Unrealized Gains	0
Debt Securities, Available-for-Sale, Total	1,489
Current Investments	1,489
Non-current Investments	0
Cash
Debt Securities, Available-for-sale
Cash and cash equivalents	152,453	170,852
Cash and cash equivalents, fair value	152,453	170,852
Money market instruments
Debt Securities, Available-for-sale
Cash and cash equivalents	57,023	15,242
Cash and cash equivalents, fair value	57,023	$ 15,242
Certificates of deposit
Debt Securities, Available-for-sale
Cash and cash equivalents	36,422
Cash and cash equivalents, fair value	$ 36,422

Cash, cash equivalents, short term and long term investments.

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Cash Cash Equivalents Short Term And Long Term Investments, Fair Value

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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).

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Amount, before tax, of unrealized loss 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).

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Amortized cost of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), classified as current.

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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.

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Fair value portion of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.

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The total amount of investments that are intended to be held for an extended period of time (longer than one operating cycle).

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