Segment Data (Schedule of Segment Reporting Information by Business Segment) (Details) - USD ($) $ in Millions		3 Months Ended
		Mar. 31, 2017	Mar. 25, 2016
Net sales		$ 810.9	$ 815.8
Operating income		90.2	132.4
Intangible asset amortization		(175.1)	(175.0)
Restructuring and related charges, net		(18.7)	(10.1)
Non-restructuring impairment charges		0.0
Specialty Brands
Restructuring and related charges, net		(9.2)	(8.0)
Specialty Generics
Restructuring and related charges, net		(7.4)	(0.6)
Operating Segments
Net sales		795.8	799.4
Operating income		351.2	359.8
Operating Segments | Specialty Brands
Net sales		557.2	535.0
Operating income		275.0	260.9
Operating Segments | Specialty Generics
Net sales		238.6	264.4
Operating income		76.2	98.9
Corporate, Non-Segment
Net sales	[1]	15.1	16.4
Corporate and unallocated expenses	[2]	(67.2)	(25.4)
Intangible asset amortization		(175.1)	(175.0)
Restructuring and related charges, net	[3]	(18.7)	(10.1)
Non-restructuring impairment charges		$ 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.