RESTRUCTURING - Narrative (Details) $ in Thousands	1 Months Ended	3 Months Ended	6 Months Ended
	Apr. 30, 2022 USD ($) position	Jun. 30, 2022 USD ($)	Jun. 30, 2023 USD ($)	Jun. 30, 2022 USD ($)	Dec. 31, 2022 USD ($)
2020 Restructuring Initiative
Restructuring Cost and Reserve [Line Items]
Restructuring charges		$ (139)		$ 7,256
2020 Restructuring Initiative | Accelerated depreciation
Restructuring Cost and Reserve [Line Items]
Restructuring and related cost, cost incurred to date					$ 51,000
2020 Restructuring Initiative | Asset impairments
Restructuring Cost and Reserve [Line Items]
Restructuring and related cost, cost incurred to date					49,500
2020 Restructuring Initiative | Inventory adjustments
Restructuring Cost and Reserve [Line Items]
Restructuring and related cost, cost incurred to date					11,600
2020 Restructuring Initiative | Employee Separation, Continuity and Other Benefit-Related Costs
Restructuring Cost and Reserve [Line Items]
Restructuring and related cost, cost incurred to date					53,900
2020 Restructuring Initiative | Other Restructuring Charges
Restructuring Cost and Reserve [Line Items]
Restructuring and related cost, cost incurred to date					3,500
2020 Restructuring Initiative | Operating Segments | Generic Pharmaceuticals
Restructuring Cost and Reserve [Line Items]
Restructuring charges		100		5,100
Restructuring and related cost, cost incurred to date					134,300
April, 2022 Restructuring Initiative
Restructuring Cost and Reserve [Line Items]
Restructuring charges		672		30,104
Restructuring and related cost, expected number of positions eliminated | position	190
April, 2022 Restructuring Initiative | Inventory adjustments
Restructuring Cost and Reserve [Line Items]
Restructuring and related cost, cost incurred to date					34,900
April, 2022 Restructuring Initiative | Employee Separation, Continuity and Other Benefit-Related Costs
Restructuring Cost and Reserve [Line Items]
Restructuring charges			$ (194)
Restructuring and related cost, cost incurred to date					28,300
April, 2022 Restructuring Initiative | Other Restructuring Charges
Restructuring Cost and Reserve [Line Items]
Restructuring and related cost, cost incurred to date					8,700
April, 2022 Restructuring Initiative | Inidentifiable Intangible assets
Restructuring Cost and Reserve [Line Items]
Restructuring and related cost, cost incurred to date					180,200
April, 2022 Restructuring Initiative | Operating Segments | Generic Pharmaceuticals
Restructuring Cost and Reserve [Line Items]
Restructuring charges		$ 600		$ 17,000
April, 2022 Restructuring Initiative | Operating Segments | Branded Pharmaceuticals
Restructuring Cost and Reserve [Line Items]
Restructuring and related cost, cost incurred to date					$ 238,600
April, 2022 Restructuring Initiative | Minimum
Restructuring Cost and Reserve [Line Items]
Restructuring and related costs, expected cost savings	$ 105,000
April, 2022 Restructuring Initiative | Maximum
Restructuring Cost and Reserve [Line Items]
Restructuring and related costs, expected cost savings	$ 125,000