Discontinued Operations and Assets and Liabilities Held For Sale (Astora Restructuring) (Narrative) (Details) - Astora Restructuring	3 Months Ended			6 Months Ended
	Jun. 30, 2017 USD ($)	Jun. 30, 2016 USD ($)	Mar. 31, 2016 employee	Jun. 30, 2017 USD ($)	Jun. 30, 2016 USD ($)
Restructuring Cost and Reserve [Line Items]
Number of positions reduced | employee			250
Restructuring expenses	$ 0	$ 5,951,000		$ 0	$ 66,624,000
Expected restructuring costs remaining		$ 0			$ 0