Legal, Regulatory Matters and Contingencies (Details) $ in Millions			1 Months Ended			3 Months Ended		9 Months Ended
	Oct. 31, 2017 item	Oct. 06, 2017 item	Nov. 30, 2016 item	Sep. 30, 2014 lawsuit	Jul. 31, 2014 lawsuit patent	Sep. 30, 2017 USD ($) lawsuit Distributor item patent	Dec. 31, 2016 customer	Sep. 30, 2017 USD ($) tranche	Jun. 30, 2017 USD ($)	Nov. 24, 2015 USD ($)
Connecticut Attorney General Inquiry
Contingencies
Number of additional drugs	13
Number of drugs involving alleged price-fixing	1
Government Pricing
Contingencies
Number of government entity customers for whom the Company completed a contract compliance review | customer							1
Best estimate of liability | $						$ 9.3		$ 9.3	$ 9.3
Indemnification asset | $										$ 8.3
AWP Litigation
Contingencies
Number of lawsuits | lawsuit						2
Private Antitrust and Consumer Protection Litigation
Contingencies
Number of additional drugs	13
Number of drugs involving alleged price-fixing	1
Number of generic pharmaceutical manufacturers and distributors | Distributor						30
Number of generic drugs						18
Number of tranches | tranche								3
Number of drugs in the first tranche		6
Private Antitrust and Consumer Protection Litigation | Minimum
Contingencies
Number of lawsuits | lawsuit						100
Shareholder Litigation
Contingencies
Number of officers			2
Patent Infringement (Paragraph IV Certification)
Contingencies
Number of lawsuits | lawsuit				1	2
Patents allegedly invalid, number | patent						2
Patents allegedly invalid, unenforceable and/or not infringed, number | patent						15
Number of another entity allegedly infringed | patent					2