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Fair Value Measurements - Schedule of Fair Value of Senior Convertible Notes (Details) - Senior Notes - USD ($) $ in Millions | Dec. 31, 2024 | Dec. 31, 2023
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Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Fair value of outstanding senior convertible notes | $ 2,286.0 | $ 2,544.6
Senior Convertible Notes due 2025 |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Fair value of outstanding senior convertible notes | 1,163.7 | 1,262.8
Senior Convertible Notes due 2028 |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Fair value of outstanding senior convertible notes | $ 1,122.3 | $ 1,281.8

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