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v3.24.3

Fair value measurements - Narrative (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions | 3 Months Ended |  |  |
--- | --- | --- | --- | ---
Sep. 30, 2024 | Jun. 30, 2024 | Dec. 31, 2023 | Aug. 07, 2020
Debt Instrument [Line Items] |  |  |  |
Business combination, contingent consideration, liability, current | $ 0.0 |  | $ 2.7 |
Warrant |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Fair value of the liability at issuance | 13.4 |  |  |
Fair value, measurement with unobservable inputs reconciliation, recurring basis, liability value | $ 13.9 | $ 0.0 |  |
Series I Warrants |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Class of warrant or right, number of securities called by warrants or rights (in shares) | 1.0 |  |  |
Class of warrant or right, exercise price of warrants or rights | $ 9.8802 |  |  |
Series II Warrants |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Class of warrant or right, number of securities called by warrants or rights (in shares) | 1.5 |  |  |
Class of warrant or right, exercise price of warrants or rights | $ 15.7185 |  |  |
Senior Unsecured Notes Due August 2028 | Senior Notes |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Stated interest rate percentage | 3.875% |  | 3.875% | 3.875%
Long-term debt, fair value | $ 343.1 |  | $ 184.3 |

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