Restructuring (Changes to Restructuring Accrual) (Details) $ in Thousands	6 Months Ended
	Jun. 30, 2017 USD ($)
2016 US Generic Pharmaceuticals Restructuring
Restructuring Reserve [Roll Forward]
Beginning liability balance	$ 9,939
Expenses	1,117
Cash distributions	(8,621)
Ending liability balance	2,435
2016 US Branded Pharmaceutical Restructuring
Restructuring Reserve [Roll Forward]
Beginning liability balance	21,768
Cash distributions	(19,114)
Ending liability balance	2,654
2016 US Branded Pharmaceutical Restructuring | Employee Separation and Other Benefit-Related Costs
Restructuring Reserve [Roll Forward]
Beginning liability balance	16,544
Cash distributions	(13,890)
Ending liability balance	2,654
2016 US Branded Pharmaceutical Restructuring | Contract Termination Charges
Restructuring Reserve [Roll Forward]
Beginning liability balance	5,224
Cash distributions	(5,224)
Ending liability balance	0
January 2017 Restructuring
Restructuring Reserve [Roll Forward]
Beginning liability balance	0
Expenses	15,060
Cash distributions	(5,141)
Ending liability balance	9,919
2017 US Generic Pharmaceuticals Restructuring
Restructuring Reserve [Roll Forward]
Beginning liability balance	0
Expenses	8,871
Cash distributions	0
Ending liability balance	$ 8,871