Legal and U.S. Regulatory Proceedings (Details) $ in Millions				9 Months Ended
	Jun. 03, 2020 defendant	Apr. 23, 2020 USD ($)	Oct. 20, 2017 USD ($) drug claim	Sep. 30, 2020 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	50
Stayma Consulting Services
Loss Contingencies [Line Items]
Number of generic drug products | drug			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 | drug					2
Structured settlement amount | $		$ 0.3