Legal, Regulatory Matters and Contingencies (Details) $ in Millions		1 Months Ended			3 Months Ended		9 Months Ended
	Apr. 16, 2013 a	Nov. 30, 2016 item	Sep. 30, 2014 lawsuit	Jul. 31, 2014 patent	Mar. 31, 2017 USD ($) lawsuit	Dec. 31, 2016 customer	Mar. 31, 2017 USD ($) patent Distributor item	Nov. 24, 2015 USD ($)
Richard Asherman
Contingencies
Severance compensation, period	18 months
Amount of value sought of land (as a percent)	50.00%
Area of land | a	1.66
Government Pricing
Contingencies
Number of government entity customers for whom the Company completed a contract compliance review | customer						1
Estimated liability for potential overcharges | $					$ 9.3		$ 9.3
Indemnification asset | $								$ 8.3
Private Antitrust and Consumer Protection Litigation
Contingencies
Number of generic pharmaceutical manufacturers and distributors | Distributor							50
Number of generic drugs | item							18
Private Antitrust and Consumer Protection Litigation | Minimum
Contingencies
Number of lawsuits | lawsuit					100
Shareholder Litigation
Contingencies
Number of officers | item		2
Zomig
Contingencies
Number of lawsuits | lawsuit			1
Number of patents invalid							2
Number of patents allegedly infringed				2
Thalomid
Contingencies
Number of patents invalid							15