Goodwill and Other Intangible Assets - Intangible Assets (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Finite-Lived Intangible Assets [Line Items]
Cost	$ 1,319,269	$ 1,310,771
Accumulated Amortization	(815,842)	(776,193)
Net	503,427	534,578
In-process research and development	355,845	355,845
Intangible assets, cost	1,675,114	1,666,616
Intangible assets, net	$ 859,272	890,423
Product rights
Finite-Lived Intangible Assets [Line Items]
Weighted-Average Amortization Period (in years)	6 years 2 months 12 days
Cost	$ 1,207,469	1,198,971
Accumulated Amortization	(739,351)	(703,297)
Net	$ 468,118	495,674
Other intangible assets
Finite-Lived Intangible Assets [Line Items]
Weighted-Average Amortization Period (in years)	3 years 1 month 6 days
Cost	$ 111,800	111,800
Accumulated Amortization	(76,491)	(72,896)
Net	$ 35,309	$ 38,904