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Goodwill and Other Intangibles - Schedule of Changes in the Carrying Amount of Goodwill (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Goodwill [Roll Forward]
Goodwill, beginning balance			$ 3,764,636
Effect of currency translation			1,794
Goodwill impairment charges	$ 0	$ 0	(151,108)	$ (391,000)
Goodwill, ending balance	3,615,322		3,615,322
Branded Pharmaceuticals
Goodwill [Roll Forward]
Goodwill, beginning balance			828,818
Effect of currency translation			0
Goodwill impairment charges			0
Goodwill, ending balance	828,818		828,818
Sterile Injectables
Goodwill [Roll Forward]
Goodwill, beginning balance			2,731,193
Effect of currency translation			0
Goodwill impairment charges			0
Goodwill, ending balance	2,731,193		2,731,193
Generic Pharmaceuticals
Goodwill [Roll Forward]
Goodwill, beginning balance			151,108
Effect of currency translation			0
Goodwill impairment charges			(151,108)
Goodwill, ending balance	0		0
International Pharmaceuticals
Goodwill [Roll Forward]
Goodwill, beginning balance			53,517
Effect of currency translation			1,794
Goodwill impairment charges			0
Goodwill, ending balance	$ 55,311		$ 55,311