Acquisitions and License Agreements (Schedule of Fair Value of Identifiable Assets Acquired and Liabilities Assumed) (Details) - USD ($) $ in Millions		Sep. 30, 2016	Aug. 31, 2016	Feb. 01, 2016	Sep. 25, 2015	Apr. 16, 2015	Aug. 14, 2014	Mar. 19, 2014	Oct. 01, 2012
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Less Noncontrolling Interest [Abstract]
Goodwill (non-tax deductible)		$ 3,705.3			$ 3,649.4
Stratatech [Member]
Business Acquisition [Line Items]
Receivables			$ 1.3
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Less Noncontrolling Interest [Abstract]
Cash			0.2
Inventory			0.0
Intangible assets			99.8
Goodwill (non-tax deductible)			57.3
Other assets, current and non-current	[1]		3.2
Total assets acquired			160.5
Current liabilities			4.3
Unpaid purchase consideration (current)			0.0
Other liabilities (non-current)			0.0
Deferred tax liabilities, net (non-current)			24.3
Contingent consideration (non-current)			54.9
Total Debt			1.0
Total liabilities assumed			84.5
Net assets acquired			$ 76.0
Therakos
Business Acquisition [Line Items]
Receivables					22.0
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Less Noncontrolling Interest [Abstract]
Cash					41.3
Inventory					23.5
Intangible assets					1,170.0
Goodwill (non-tax deductible)					429.9
Other assets, current and non-current	[1]				40.2
Total assets acquired					1,704.9
Current liabilities					24.7
Unpaid purchase consideration (current)					0.0
Other liabilities (non-current)					0.6
Deferred tax liabilities, net (non-current)					315.7
Contingent consideration (non-current)					0.0
Total Debt					344.8
Total liabilities assumed					685.8
Net assets acquired					$ 1,019.1
Ikaria
Business Acquisition [Line Items]
Receivables						$ 73.8
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Less Noncontrolling Interest [Abstract]
Cash						77.3
Inventory						26.3
Intangible assets						1,971.0
Goodwill (non-tax deductible)						795.0
Other assets, current and non-current	[1]					174.3
Total assets acquired						3,043.9
Current liabilities						33.0
Unpaid purchase consideration (current)						0.0
Other liabilities (non-current)						15.8
Deferred tax liabilities, net (non-current)						620.5
Contingent consideration (non-current)						0.0
Total Debt						1,121.0
Total liabilities assumed						1,790.3
Net assets acquired						$ 1,253.6
Questcor Pharmaceuticals, Inc.
Business Acquisition [Line Items]
Receivables							$ 87.3
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Less Noncontrolling Interest [Abstract]
Cash							445.1
Inventory							67.9
Intangible assets							5,601.1
Goodwill (non-tax deductible)							1,789.4
Other assets, current and non-current	[1]						274.3
Total assets acquired							8,177.8
Current liabilities							168.9
Unpaid purchase consideration (current)							128.8
Other liabilities (non-current)							186.8
Deferred tax liabilities, net (non-current)							1,906.8
Contingent consideration (non-current)							0.0
Total Debt							0.0
Total liabilities assumed							2,391.3
Net assets acquired							$ 5,786.5
Cadence Pharmaceuticals, Inc.
Business Acquisition [Line Items]
Receivables								$ 14.7
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Less Noncontrolling Interest [Abstract]
Cash								43.2
Inventory								21.0
Intangible assets								1,300.0
Goodwill (non-tax deductible)								318.1
Other assets, current and non-current	[1]							18.0
Total assets acquired								1,700.3
Current liabilities								48.8
Unpaid purchase consideration (current)								0.0
Other liabilities (non-current)								0.0
Deferred tax liabilities, net (non-current)								292.3
Contingent consideration (non-current)								0.0
Total Debt								30.0
Total liabilities assumed								371.1
Net assets acquired								$ 1,329.2
Hemostasis Products
Business Acquisition [Line Items]
Receivables				$ 0.0
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Less Noncontrolling Interest [Abstract]
Cash				3.3
Inventory				94.6
Intangible assets				132.7
Goodwill (non-tax deductible)				3.3
Other assets, current and non-current	[1]			7.9
Total assets acquired				241.8
Current liabilities				3.6
Unpaid purchase consideration (current)				0.0
Other liabilities (non-current)				10.6
Deferred tax liabilities, net (non-current)				2.1
Contingent consideration (non-current)				52.0
Total Debt				0.0
Total liabilities assumed				68.3
Net assets acquired				$ 173.5
CNS Therapeutics, Inc.
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Less Noncontrolling Interest [Abstract]
Contingent consideration (non-current)									$ 6.9

[1] This amount includes $1.3 million, zero, $22.0 million, $73.8 million, $87.3 million, and $14.7 million of accounts receivable for the Stratatech Acquisition, Hemostasis Acquisition, Therakos Acquisition, Ikaria Acquisition, Questcor Acquisition and Cadence Acquisition, respectively, which is also the gross contractual value.