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Investments - Summary of Contractual Maturities of Investments (Details) - USD ($) $ in Thousands | Dec. 31, 2021 | Oct. 01, 2021
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Investments, Debt and Equity Securities [Abstract] |  |
Less than one year | $ 132,074 | $ 120,590
Over one year | 72,240 | 67,775
Total available-for-sale investments | $ 204,314 | $ 188,365

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