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Fair Value Measurements (Details) - USD ($) $ in Thousands | Jan. 03, 2025 | Dec. 29, 2023
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Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Total debt securities available-for-sale | $ 1,525,651 | $ 1,497,423
Recurring |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Total debt securities available-for-sale | 1,525,651 | 1,497,423
Total financial assets carried at fair value | 1,748,567 | 1,724,019
Level 1 | Recurring |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Total debt securities available-for-sale | 0 | 0
Total financial assets carried at fair value | 145,690 | 154,287
Level 2 | Recurring |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Total debt securities available-for-sale | 1,525,651 | 1,497,423
Total financial assets carried at fair value | 1,602,877 | 1,569,732
Commercial paper |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Total debt securities available-for-sale | 172,891 | 214,016
Commercial paper | Recurring |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Total debt securities available-for-sale | 172,891 | 214,016
Commercial paper | Level 1 | Recurring |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Total debt securities available-for-sale | 0 | 0
Commercial paper | Level 2 | Recurring |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Total debt securities available-for-sale | 172,891 | 214,016
Corporate bonds |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Total debt securities available-for-sale | 1,011,366 | 868,245
Corporate bonds | Recurring |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Total debt securities available-for-sale | 1,011,366 | 868,245
Corporate bonds | Level 1 | Recurring |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Total debt securities available-for-sale | 0 | 0
Corporate bonds | Level 2 | Recurring |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Total debt securities available-for-sale | 1,011,366 | 868,245
U.S. Treasury and government-sponsored enterprises |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Total debt securities available-for-sale | 338,393 | 407,321
U.S. Treasury and government-sponsored enterprises | Recurring |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Total debt securities available-for-sale | 338,393 | 407,321
U.S. Treasury and government-sponsored enterprises | Level 1 | Recurring |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Total debt securities available-for-sale | 0 | 0
U.S. Treasury and government-sponsored enterprises | Level 2 | Recurring |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Total debt securities available-for-sale | 338,393 | 407,321
Municipal bonds |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Total debt securities available-for-sale | 3,001 | 7,841
Municipal bonds | Recurring |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Total debt securities available-for-sale | 3,001 | 7,841
Municipal bonds | Level 1 | Recurring |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Total debt securities available-for-sale | 0 | 0
Municipal bonds | Level 2 | Recurring |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Total debt securities available-for-sale | 3,001 | 7,841
Money market funds | Recurring |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Cash and cash equivalents | 145,690 | 154,287
Money market funds | Level 1 | Recurring |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Cash and cash equivalents | 145,690 | 154,287
Money market funds | Level 2 | Recurring |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Cash and cash equivalents | 0 | 0
Certificates of deposit | Recurring |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Cash and cash equivalents | 77,226 | 72,309
Certificates of deposit | Level 1 | Recurring |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Cash and cash equivalents | 0 | 0
Certificates of deposit | Level 2 | Recurring |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Cash and cash equivalents | $ 77,226 | $ 72,309

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