Contingencies (Modafinil Antitrust Litigation and FTC Inquiry) (Narrative) (Details) - Modafinil Antitrust Litigation and FTC Inquiry $ in Millions	Jul. 28, 2016	Jul. 10, 2015 other_drug_manufacturers	Apr. 27, 2006 other_drug_manufacturers	Jun. 30, 2016 USD ($)	Apr. 20, 2016
Loss Contingencies [Line Items]
Loss contingency accrual | $				$ 16.0
Other drug manufacturers
Loss Contingencies [Line Items]
Number of defendants | other_drug_manufacturers		3	4
Number of other actions consolidated					4
Other drug manufacturers | Subsequent Event
Loss Contingencies [Line Items]
Number of defendants	4