Acquisitions and Other Transactions (Jai Pharma Limited Schedule of Purchase Price Allocation) (Details) - USD ($) $ in Millions		12 Months Ended
		Dec. 31, 2016	Dec. 31, 2015	Nov. 20, 2015	[1]	Dec. 31, 2014
Business Acquisition [Line Items]
Goodwill		$ 9,231.9	$ 5,380.1			$ 4,049.3
Jai Pharma Limited
Business Acquisition [Line Items]
Current assets (excluding inventories)		28.6		$ 25.7
Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Financial Assets	[2]	2.9
Inventories		4.9		4.9
Inventories (Measurement Pd Adj)	[2]	0.0
Property, plant and equipment		17.2		17.2
Property, plant and equipment (Measurement Pd Adj)	[2]	0.0
Identified intangible assets		437.0		437.0
Identified intangible assets (Measurement Pd Adj)	[2]	0.0
In-process research and development		98.0		98.0
Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, IPR&D	[2]	0.0
Goodwill		323.9		317.2
Goodwill (Measurement Pd Adj)	[2]	6.7
Other assets (including equity method investment)		0.7		0.7
Other assets (Measurement Pd Adj)	[2]	0.0
Total assets acquired		910.3		900.7
Total assets acquired (Measurement Pd Adj)	[2]	9.6
Current liabilities		(14.5)		(9.1)
Current Liabilities (Measurement Pd Adj)	[2]	(5.4)
Deferred tax liabilities		(184.7)		(180.5)
Deferred tax liabilities (Measurement Pd Adj)	[2]	(4.2)
Net assets acquired		711.1		$ 711.1
Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Assets Acquired Goodwill and Liabilities Assumed Net	[2]	$ 0.0

[1] As previously reported in the Company’s Annual Report on Form 10-K for the year ended December 31, 2015, as amended.

[2] The measurement period adjustments were recorded in the first and fourth quarters of 2016 and are related to the recognition of goodwill, deferred tax liabilities, current liabilities and adjustments to working capital components to reflect facts and circumstances that existed as of the acquisition date.