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Goodwill and Other Intangibles - Schedule of Changes in the Carrying Amount of Goodwill (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Goodwill [Roll Forward]
Goodwill, beginning balance			$ 3,595,184
Effect of currency translation			(2,387)
Goodwill impairment charges	$ 0	$ (65,108)	(32,786)	$ (151,108)
Goodwill, ending balance	3,560,011		3,560,011
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			0
Effect of currency translation			0
Goodwill impairment charges			0
Goodwill, ending balance	0		0
International Pharmaceuticals
Goodwill [Roll Forward]
Goodwill, beginning balance			35,173
Effect of currency translation			(2,387)
Goodwill impairment charges			(32,786)
Goodwill, ending balance	$ 0		$ 0