RESTRUCTURING - Narrative (Details) $ in Thousands	1 Months Ended	3 Months Ended
	Apr. 30, 2022 USD ($) position	Mar. 31, 2022 USD ($)	Dec. 31, 2022 USD ($)
2020 Restructuring Initiative
Restructuring Cost and Reserve [Line Items]
Restructuring charges		$ 7,395
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		5,000
Restructuring and related cost, cost incurred to date			134,300
April, 2022 Restructuring Initiative
Restructuring Cost and Reserve [Line Items]
Restructuring charges		29,432
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 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		$ 16,300
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