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Fair Value Measurements - Additional Information (Detail) - USD ($) $ in Millions |  |  | 3 Months Ended | 12 Months Ended |  |
--- | --- | --- | --- | --- | --- | ---
Sep. 20, 2021 | Sep. 16, 2021 | Dec. 31, 2022 | Dec. 31, 2022 | Dec. 31, 2021 | Jul. 31, 2019
Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |  |
Purchase of treasury stock |  |  | $ 100.0 |  |  |
Performance period |  |  |  | 3 years |  |
0.375% Convertible Senior Notes due 2024 |  |  |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |  |
Principal amount |  |  |  |  |  | $ 287.5
Notes, frequency of periodic payment |  |  |  | semi-annually |  |
Total convertible senior notes |  |  | 284.6 | $ 284.6 | $ 255.3 |
Fair value of convertible senior notes |  |  | $ 452.0 | $ 452.0 | $ 678.5 |
Avitide, Inc. |  |  |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |  |
Upfront payment | $ 150.0 | $ 75.0 |  |  |  |
Additional undiscounted in contingent consideration earnout payments | $ 125.0 |  |  |  |  |

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