Acquisitions, Investments and Licenses - Equity Method Investments Narrative (Details) $ in Millions	6 Months Ended
Jun. 30, 2016 USD ($)
Schedule of Equity Method Investments [Line Items]
Total assets of equity method investees	$ 421.4
Total (liabilities) of equity method investees	(167.8)
Net (losses) of equity method investees	(125.7)
Market value	$ 57.7
Pharmsynthez
Schedule of Equity Method Investments [Line Items]
Ownership percentage	17.00%
Cocrystal
Schedule of Equity Method Investments [Line Items]
Ownership percentage	8.00%
Sevion
Schedule of Equity Method Investments [Line Items]
Ownership percentage	3.00%
Non-Invasive Monitoring Systems, Inc.
Schedule of Equity Method Investments [Line Items]
Ownership percentage	1.00%
Neovasc
Schedule of Equity Method Investments [Line Items]
Ownership percentage	4.00%
VBI Vaccines Inc
Schedule of Equity Method Investments [Line Items]
Ownership percentage	17.00%
InCellDx, Inc
Schedule of Equity Method Investments [Line Items]
Ownership percentage	27.00%

The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

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