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Debt - Conversion Value of Convertible Notes (Details) - Senior Notes - USD ($) $ in Millions | 6 Months Ended | 12 Months Ended
--- | --- | ---
Jun. 30, 2023 | Dec. 31, 2022
Debt Instrument [Line Items] |  |
Total by which the notes’ if-converted value exceeds their principal amount | $ 1,790.8 | $ 1,395.1
Senior Convertible Notes due 2023 |  |
Debt Instrument [Line Items] |  |
Total by which the notes’ if-converted value exceeds their principal amount | 1,649.5 | 1,361.5
Senior Convertible Notes due 2025 |  |
Debt Instrument [Line Items] |  |
Total by which the notes’ if-converted value exceeds their principal amount | 84.6 | 33.6
Senior Convertible Notes due 2028 |  |
Debt Instrument [Line Items] |  |
Total by which the notes’ if-converted value exceeds their principal amount | $ 56.7 | $ 0.0

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