Acquisitions (Auxilium Pharmaceuticals, Inc.) (Narrative) (Details) - USD ($)		3 Months Ended								12 Months Ended
	Jan. 29, 2015	Dec. 31, 2016	Sep. 30, 2016	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Business Acquisition [Line Items]
Acquisition-related and integration items		$ 7,400,000	$ 19,500,000	$ 48,200,000	$ 12,600,000	$ 54,100,000	$ (27,700,000)	$ 44,200,000	$ 34,600,000	$ 87,601,000	$ 105,250,000	$ 77,384,000
Amortization of intangible assets										876,451,000	561,300,000	$ 218,700,000
Auxilium Pharmaceuticals, Inc.
Business Acquisition [Line Items]
Aggregate consideration transferred	$ 2,600,000,000
Interest expense											1,100,000
Amortization of intangible assets											6,200,000
Auxilium Pharmaceuticals, Inc. | Acquisition-Related And Integration Items
Business Acquisition [Line Items]
Acquisition-related and integration items										$ 0	$ 23,100,000