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Fair Value Measurements, Cash Equivalents and Marketable Securities - Additional Information (Details) - 0.25% Senior Notes Due 2026 - USD ($) $ in Millions | Mar. 31, 2023 | Sep. 30, 2021
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Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items] |  |
Aggregate principal amount of notes issued |  | $ 345.0
Debt instrument, interest rate |  | 0.25%
Estimated fair value of notes issued | $ 263.1 |

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