GOODWILL AND INTANGIBLE ASSETS - Components (Details) - USD ($) $ in Thousands	Dec. 31, 2024	Dec. 31, 2023
Definite-Lived Intangible Assets:
Gross Carrying Amount	$ 893,825	$ 496,708
Accumulated Amortization	(367,791)	(307,499)
Total	$ 526,034	189,209
Weighted Average Amortization Period	9 years 8 months 12 days
Indefinite-Lived Intangible Assets:
Gross Carrying Amount	$ 909,625	516,508
Net Carrying Amount	541,834	209,009
In process research and development
Indefinite-Lived Intangible Assets:
Gross Carrying Amount	15,800	19,800
Acquired ANDA intangible assets
Definite-Lived Intangible Assets:
Gross Carrying Amount	210,497	209,780
Accumulated Amortization	(124,874)	(100,660)
Total	$ 85,623	109,120
Weighted Average Amortization Period	4 years 4 months 24 days
NDAs and product rights
Definite-Lived Intangible Assets:
Gross Carrying Amount	$ 641,271	244,871
Accumulated Amortization	(216,420)	(184,861)
Total	$ 424,851	60,010
Weighted Average Amortization Period	10 years 10 months 24 days
Marketing and distribution rights
Definite-Lived Intangible Assets:
Gross Carrying Amount	$ 17,157	17,157
Accumulated Amortization	(15,233)	(14,271)
Total	$ 1,924	2,886
Weighted Average Amortization Period	2 years
Customer relationships
Definite-Lived Intangible Assets:
Gross Carrying Amount	$ 24,900	24,900
Accumulated Amortization	(11,264)	(7,707)
Total	$ 13,636	$ 17,193
Weighted Average Amortization Period	3 years 9 months 18 days