Legal and U.S. Regulatory Proceedings (Details) $ in Millions		3 Months Ended
	Oct. 20, 2017 USD ($) claim drug	Mar. 31, 2020 defendant lawsuit	Dec. 13, 2018 drug
Anti-Trust Lawsuit
Loss Contingencies [Line Items]
Number of putative class action antitrust lawsuits | lawsuit		13
Number of defendants | defendant		47
Stayma Consulting Services
Loss Contingencies [Line Items]
Number of generic drug products	2
Number of claims under arbitration | claim	3
Stayma
Loss Contingencies [Line Items]
Damages sought | $	$ 1.7
Breach of Contract
Loss Contingencies [Line Items]
Number of generic drug products			2