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Schedule of Unrealized Loss on Available-for-Sale Investments (Detail) - USD ($) $ in Thousands | Jul. 01, 2023 | Dec. 31, 2022
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Debt Securities, Available-for-sale [Line Items] |  |
Available-for-sale investments with unrealized losses, Less than 12 months, Fair Value | $ 25,258 | $ 56,275
Available-for-sale investments with unrealized losses, Less than 12 months, Unrealized Loss | 276 | 1,616
Available-for-sale investments with unrealized losses, 12 months or longer, Fair Value | 110,334 | 78,406
Available-for-sale investments with unrealized losses, 12 months or longer, Unrealized Loss | 9,493 | 9,148
Available-for-sale investments with unrealized losses, Fair Value, Total | 135,592 | 134,681
Available-for-sale investments with unrealized losses, Unrealized Loss, Total | 9,769 | 10,764
Asset-backed securities |  |
Debt Securities, Available-for-sale [Line Items] |  |
Available-for-sale investments with unrealized losses, Less than 12 months, Fair Value | 0 | 0
Available-for-sale investments with unrealized losses, Less than 12 months, Unrealized Loss | 0 | 0
Available-for-sale investments with unrealized losses, 12 months or longer, Fair Value | 14,934 | 16,016
Available-for-sale investments with unrealized losses, 12 months or longer, Unrealized Loss | 2,705 | 2,889
Available-for-sale investments with unrealized losses, Fair Value, Total | 14,934 | 16,016
Available-for-sale investments with unrealized losses, Unrealized Loss, Total | 2,705 | 2,889
Corporate bonds and direct obligations of government agencies |  |
Debt Securities, Available-for-sale [Line Items] |  |
Available-for-sale investments with unrealized losses, Less than 12 months, Fair Value | 19,035 | 54,031
Available-for-sale investments with unrealized losses, Less than 12 months, Unrealized Loss | 262 | 1,516
Available-for-sale investments with unrealized losses, 12 months or longer, Fair Value | 93,141 | 62,390
Available-for-sale investments with unrealized losses, 12 months or longer, Unrealized Loss | 6,700 | 6,259
Available-for-sale investments with unrealized losses, Fair Value, Total | 112,176 | 116,421
Available-for-sale investments with unrealized losses, Unrealized Loss, Total | 6,962 | 7,775
U.S. Treasury obligations |  |
Debt Securities, Available-for-sale [Line Items] |  |
Available-for-sale investments with unrealized losses, Less than 12 months, Fair Value | 6,223 | 2,244
Available-for-sale investments with unrealized losses, Less than 12 months, Unrealized Loss | 14 | 100
Available-for-sale investments with unrealized losses, 12 months or longer, Fair Value | 2,259 | 0
Available-for-sale investments with unrealized losses, 12 months or longer, Unrealized Loss | 88 | 0
Available-for-sale investments with unrealized losses, Fair Value, Total | 8,482 | 2,244
Available-for-sale investments with unrealized losses, Unrealized Loss, Total | $ 102 | $ 100

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