GOODWILL AND INTANGIBLE ASSETS - Components (Details) - USD ($) $ in Thousands	Jun. 30, 2025	Dec. 31, 2024
Definite-Lived Intangible Assets:
Gross Carrying Amount	$ 929,892	$ 893,825
Accumulated Amortization	(409,572)	(367,791)
Total	$ 520,320	526,034
Remaining Weighted Average Amortization Period	9 years 6 months
Indefinite-Lived Intangible Assets:
Total Intangible Assets, Gross	$ 929,892	909,625
Total Intangible Assets, Net	520,320	541,834
In process research and development
Indefinite-Lived Intangible Assets:
Gross Carrying Amount	0	15,800
Acquired ANDAs intangible assets
Definite-Lived Intangible Assets:
Gross Carrying Amount	213,514	210,497
Accumulated Amortization	(136,880)	(124,874)
Total	$ 76,634	85,623
Remaining Weighted Average Amortization Period	4 years 1 month 6 days
Acquired ANDAs intangible assets | In process research and development | Reclassification Of Assets On Completion Of Project And Launch Of Related Products
Definite-Lived Intangible Assets:
Gross Carrying Amount	$ 15,800
NDAs and product rights
Definite-Lived Intangible Assets:
Gross Carrying Amount	674,321	641,271
Accumulated Amortization	(243,935)	(216,420)
Total	$ 430,386	424,851
Remaining Weighted Average Amortization Period	10 years 7 months 6 days
Marketing and distribution rights
Definite-Lived Intangible Assets:
Gross Carrying Amount	$ 17,157	17,157
Accumulated Amortization	(15,714)	(15,233)
Total	$ 1,443	1,924
Remaining Weighted Average Amortization Period	1 year 6 months
Customer relationships
Definite-Lived Intangible Assets:
Gross Carrying Amount	$ 24,900	24,900
Accumulated Amortization	(13,043)	(11,264)
Total	$ 11,857	$ 13,636
Remaining Weighted Average Amortization Period	3 years 3 months 18 days