Cash, Cash Equivalents, and Investments - Components of Cash, Cash Equivalents, and Investments (Details) - USD ($) $ in Thousands	Apr. 03, 2022	Dec. 31, 2021
Debt Securities, Available-for-sale [Line Items]
Cash	$ 158,285	$ 185,624
Treasury bills	7,001	0
Money market instruments	483	537
Cash and cash equivalents	165,769	186,161
Current investments	148,966	137,455
Non-current investments	479,429	583,748
Total	794,164	907,364
Corporate Bonds
Debt Securities, Available-for-sale [Line Items]
Current investments	97,772	73,088
Long-term investments	414,366	481,218
Asset-Backed Securities
Debt Securities, Available-for-sale [Line Items]
Current investments	37,084	37,655
Long-term investments	36,211	43,940
Treasury Bills
Debt Securities, Available-for-sale [Line Items]
Current investments	10,204	18,912
Long-term investments	10,383	39,753
Agency Bonds
Debt Securities, Available-for-sale [Line Items]
Current investments	2,801	2,802
Long-term investments	15,834	16,077
Municipal Bonds
Debt Securities, Available-for-sale [Line Items]
Current investments	1,105	4,998
Long-term investments	628	641
Sovereign Bonds
Debt Securities, Available-for-sale [Line Items]
Long-term investments	$ 2,007	$ 2,119

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

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

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Amount 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. Excludes cash and cash equivalents within disposal group and discontinued operation.

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Amount of 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. Excludes cash and cash equivalents within disposal group and discontinued operation.

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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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Investment in short-term money-market instruments (such as commercial paper, banker's acceptances, repurchase agreements, government securities, certificates of deposit, and so forth) which are highly liquid (that is, readily convertible to known amounts of cash) and so near their maturity that they present an insignificant risk of changes in value because of changes in interest rates. Generally, only investments with original maturities of three months or less qualify as cash equivalents by definition. Original maturity means an original maturity to the entity holding the investment. For example, both a three-month US Treasury bill and a three-year Treasury note purchased three months from maturity qualify as cash equivalents. However, a Treasury note purchased three-years ago does not become a cash equivalent when its remaining maturity is three months.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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