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v3.24.3

Summary of significant accounting policies (Details) - USD ($) |  |  | 9 Months Ended |  |
--- | --- | --- | --- | --- | ---
Aug. 20, 2024 | Jul. 31, 2024 | Sep. 30, 2024 | Sep. 30, 2023 | Aug. 30, 2024 | Dec. 31, 2023
Debt Instrument [Line Items] |  |  |  |  |  |
Total debt |  |  | $ 700,800,000 |  |  | $ 868,400,000
Proceeds from sale of business |  |  | 110,200,000 | $ 270,200,000 |  |
Cash and cash equivalents |  |  | 149,900,000 | $ 87,800,000 |  | $ 111,700,000
Jansen Pharmaceuticals, Inc. |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Proceeds from legal settlements |  | $ 50,000,000 | 50,000,000 |  |  |
Disposal Group, Disposed of by Sale, Not Discontinued Operations | RSDL |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Proceeds from sale of business |  | $ 75,000,000 | 75,000,000 |  |  |
Disposal Group, Disposed of by Sale, Not Discontinued Operations | Baltimore-Camden Facility |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Proceeds from sale of business | $ 35,000,000 |  | 35,000,000 |  |  |
Term Loan | Line of Credit | Secured Debt |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Debt instrument, face amount |  |  | 250,000,000 |  | $ 250,000,000 |
Total debt |  |  | 250,000,000 |  |  |
Revolving Loans | Line of Credit | Revolving Credit Facility |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Total debt |  |  | 0 |  |  |
Maximum borrowing capacity |  |  | 100,000,000 |  |  |
Maximum borrowing capacity, increase limit |  |  | 125,000,000.0 |  |  |
Maximum borrowing capacity, decrease limit |  |  | 50,000,000.0 |  |  |
Current borrowing capacity |  |  | $ 100,000,000 |  |  |

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