Restructuring (Changes to Restructuring Accrual) (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2017 USD ($)
2016 US Generic Pharmaceuticals Restructuring
Restructuring Reserve [Roll Forward]
Beginning liability balance	$ 9,939
Expenses	1,598
Cash distributions	(7,202)
Ending liability balance	4,335
2016 US Branded Pharmaceutical Restructuring
Restructuring Reserve [Roll Forward]
Beginning liability balance	21,768
Cash distributions	(14,796)
Ending liability balance	6,972
2016 US Branded Pharmaceutical Restructuring | Employee Separation and Other Benefit-Related Costs
Restructuring Reserve [Roll Forward]
Beginning liability balance	16,544
Cash distributions	(10,326)
Ending liability balance	6,218
2016 US Branded Pharmaceutical Restructuring | Contract Termination Charges
Restructuring Reserve [Roll Forward]
Beginning liability balance	5,224
Cash distributions	(4,470)
Ending liability balance	754
January 2017 Restructuring
Restructuring Reserve [Roll Forward]
Beginning liability balance	0
Expenses	15,456
Cash distributions	(585)
Ending liability balance	$ 14,871