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v3.25.2

Acquisitions - Narrative (Details) $ in Millions |  | 3 Months Ended | 6 Months Ended |
--- | --- | --- | --- | ---
Jul. 02, 2024 USD ($) | Jun. 30, 2025 USD ($) | Jun. 30, 2024 USD ($) | Jun. 30, 2025 USD ($) | Jun. 30, 2024 USD ($) | Dec. 31, 2024 USD ($)
Business Combination [Line Items] |  |  |  |  |  |
Contingent consideration obligations |  | $ 297.2 |  | $ 297.2 |  | $ 291.2
Contingent consideration obligations |  | 237.7 |  | 237.7 |  | 221.6
Goodwill |  | 6,493.1 |  | 6,493.1 |  | $ 6,478.9
Milestone Payment, Future Development |  |  |  |  |  |
Business Combination [Line Items] |  |  |  |  |  |
Estimated additional payments upon achievement of development and commercial milestones |  | 250.0 |  | 250.0 |  |
Milestone Payment, Future Development | Felzartamab And Izastobart/HIB210 | Human Immunology Biosciences Pre-Existing In License Commitments |  |  |  |  |  |
Business Combination [Line Items] |  |  |  |  |  |
Estimated additional payments upon achievement of development and commercial milestones |  | 130.0 |  | 130.0 |  |
Milestone Payment, Regulatory | Felzartamab And Izastobart/HIB210 | Human Immunology Biosciences Pre-Existing In License Commitments |  |  |  |  |  |
Business Combination [Line Items] |  |  |  |  |  |
Estimated additional payments upon achievement of development and commercial milestones |  | 230.0 |  | 230.0 |  |
Milestone Payment, Commercial | Felzartamab And Izastobart/HIB210 | Human Immunology Biosciences Pre-Existing In License Commitments |  |  |  |  |  |
Business Combination [Line Items] |  |  |  |  |  |
Estimated additional payments upon achievement of development and commercial milestones |  | 640.0 |  | 640.0 |  |
Research and development |  |  |  |  |  |
Business Combination [Line Items] |  |  |  |  |  |
Share-based Payment Arrangement, Expense |  | 30.1 | $ 27.3 | 62.2 | $ 54.7 |
Selling, general and administrative |  |  |  |  |  |
Business Combination [Line Items] |  |  |  |  |  |
Share-based Payment Arrangement, Expense |  | 48.0 | $ 45.6 | 100.0 | $ 89.6 |
Human Immunology Biosciences |  |  |  |  |  |
Business Combination [Line Items] |  |  |  |  |  |
Total transaction value | $ 1,137.3 |  |  |  |  |
Range of outcomes, value, high | 650.0 |  |  |  |  |
Non-vested equity awards | 74.5 |  |  |  |  |
Share-based Payment Arrangement, Expense | 56.4 |  |  |  |  |
Working capital adjustment | 43.7 |  |  |  |  |
Contingent consideration obligations | 485.1 |  |  |  |  |
Contingent consideration obligations | 279.3 |  |  |  |  |
Contingent consideration obligations | 205.8 |  |  |  |  |
Intangible assets: | 1,600.0 |  |  |  |  |
Goodwill | 261.0 |  |  |  |  |
Acquisition related costs |  | $ 2.8 |  | $ 2.8 |  |
Human Immunology Biosciences | Felzartamab (IgAN) |  |  |  |  |  |
Business Combination [Line Items] |  |  |  |  |  |
Intangible assets: | 920.0 |  |  |  |  |
Human Immunology Biosciences | Felzartamab (AMR) |  |  |  |  |  |
Business Combination [Line Items] |  |  |  |  |  |
Intangible assets: | 450.0 |  |  |  |  |
Human Immunology Biosciences | Felzartamab (PMN) |  |  |  |  |  |
Business Combination [Line Items] |  |  |  |  |  |
Intangible assets: | $ 265.0 |  |  |  |  |
Human Immunology Biosciences | Discount rate |  |  |  |  |  |
Business Combination [Line Items] |  |  |  |  |  |
Measurement input | 0.145 |  |  |  |  |
Human Immunology Biosciences | Measurement Input, Probability Rate |  |  |  |  |  |
Business Combination [Line Items] |  |  |  |  |  |
Discount rate | 0.670 | 0.700 |  | 0.700 |  |
Human Immunology Biosciences | Minimum | Discount rate |  |  |  |  |  |
Business Combination [Line Items] |  |  |  |  |  |
Discount rate | 0.062 |  |  |  |  |
Human Immunology Biosciences | Maximum | Phase 3 Clinical Trial, Felzartamab Two |  |  |  |  |  |
Business Combination [Line Items] |  |  |  |  |  |
Contingent consideration obligations | $ 150.0 |  |  |  |  |
Human Immunology Biosciences | Maximum | Phase 3 Clinical Trial, Felzartamab One |  |  |  |  |  |
Business Combination [Line Items] |  |  |  |  |  |
Contingent consideration obligations | $ 150.0 |  |  |  |  |
Human Immunology Biosciences | Maximum | Discount rate |  |  |  |  |  |
Business Combination [Line Items] |  |  |  |  |  |
Discount rate | 0.070 |  |  |  |  |
Human Immunology Biosciences | Research and development |  |  |  |  |  |
Business Combination [Line Items] |  |  |  |  |  |
Share-based Payment Arrangement, Expense | $ 42.5 |  |  |  |  |
Human Immunology Biosciences | Selling, general and administrative |  |  |  |  |  |
Business Combination [Line Items] |  |  |  |  |  |
Share-based Payment Arrangement, Expense | 13.9 |  |  |  |  |
Previously Reported | Human Immunology Biosciences |  |  |  |  |  |
Business Combination [Line Items] |  |  |  |  |  |
Total transaction value | $ 1,150.0 |  |  |  |  |

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