Intangible assets, net - Narrative (Details) - USD ($) $ in Millions |
3 Months Ended | 6 Months Ended | ||||
|---|---|---|---|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2025 |
Jun. 30, 2026 |
Jun. 30, 2025 |
Mar. 31, 2026 |
Dec. 31, 2025 |
|
| Intangible Asset, Finite-Lived [Line Items] | ||||||
| Impairment of long-lived assets | $ 191.3 | $ 0.0 | $ 191.3 | $ 0.0 | ||
| Carrying amount | 261.8 | 261.8 | $ 436.5 | |||
| NARCAN | ||||||
| Intangible Asset, Finite-Lived [Line Items] | ||||||
| Carrying amount | 81.9 | 81.9 | ||||
| NARCAN | ||||||
| Intangible Asset, Finite-Lived [Line Items] | ||||||
| Impairment of long-lived assets | $ 191.3 | $ 191.3 | ||||
| Ridgeback | ||||||
| Intangible Asset, Finite-Lived [Line Items] | ||||||
| Accrued acquisition obligation | $ 50.4 | |||||
| X | ||||||||||
- Definition Amount of liability recognized from contingent consideration in asset acquisition, classified as current. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition Amount, after accumulated amortization, of finite-lived intangible asset. Excludes goodwill and capitalized cost for software to be sold, leased, or marketed. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition Amount of impairment loss for long-lived asset held and used. Includes, but is not limited to, impairment loss for long-lived asset to be disposed of other than by sale. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|