LEGAL PROCEEDINGS - Antitrust (Details)		1 Months Ended				7 Months Ended
	Nov. 25, 2019 case	Jul. 31, 2020 case	May 31, 2020 healthPlan	Feb. 29, 2020 case	Jul. 31, 2019 healthPlan	Feb. 29, 2020 case
Glumetza Antitrust Litigation
Loss Contingencies [Line Items]
Number of putative antitrust class actions filed				1		7
Number of putative antitrust class actions voluntarily dismissed						2
Glumetza Antitrust Litigation | Plaintiffs, Direct Purchasers
Loss Contingencies [Line Items]
Number of putative antitrust class actions filed						3
Glumetza Antitrust Litigation, Non-Class Complaints
Loss Contingencies [Line Items]
Number of putative antitrust class actions filed						4
Glumetza Antitrust Litigation, Non-Class Complaints | Plaintiffs, Direct Purchasers
Loss Contingencies [Line Items]
Number of putative antitrust class actions filed	3
Glumetza Antitrust Litigation, Non-Class Complaints | Plaintiffs, Direct And Indirect Purchasers | Subsequent Event
Loss Contingencies [Line Items]
Number of putative antitrust class actions filed		1
Generic Pricing Antitrust Litigation
Loss Contingencies [Line Items]
Number of health plans commenced action | healthPlan			7		87