Segment Data (Schedule of Segment Reporting Information by Business Segment) (Details) - USD ($) $ in Millions		3 Months Ended		6 Months Ended
		Jun. 30, 2017	Jun. 24, 2016	Jun. 30, 2017	Jun. 24, 2016
Net sales		$ 824.5	$ 866.6	$ 1,635.4	$ 1,682.4
Operating income		112.1	175.1	202.3	307.5
Intangible asset amortization		(174.7)	(175.8)	(349.8)	(350.8)
Restructuring and related charges, net		(1.5)	(15.2)	(20.2)	(25.3)
Non-restructuring impairment charges		0.0	0.0	0.0	16.9
Specialty Brands
Restructuring and related charges, net		(0.3)	(8.8)	(9.5)	(16.8)
Specialty Generics
Restructuring and related charges, net		(0.5)	(1.0)	(7.9)	(1.6)
Operating Segments
Net sales		810.5	852.7	1,606.3	1,652.1
Operating income		337.4	400.2	688.6	760.0
Operating Segments | Specialty Brands
Net sales		594.5	589.3	1,151.7	1,124.3
Operating income		274.1	302.1	549.1	563.0
Operating Segments | Specialty Generics
Net sales		216.0	263.4	454.6	527.8
Operating income		63.3	98.1	139.5	197.0
Corporate, Non-Segment
Net sales	[1]	14.0	13.9	29.1	30.3
Corporate and unallocated expenses	[2]	(49.1)	(34.1)	(116.3)	(59.5)
Intangible asset amortization		(174.7)	(175.8)	(349.8)	(350.8)
Restructuring and related charges, net	[3]	(1.5)	(15.2)	(20.2)	(25.3)
Non-restructuring impairment charges		$ 0.0	$ 0.0	$ 0.0	$ (16.9)

[1] Represents net sales under an ongoing supply agreement with the acquirer of the CMDS business.

[2] Includes administration expenses and certain compensation, legal, environmental and other costs not charged to the Company's reportable segments.

[3] Includes restructuring-related accelerated depreciation.