Restructuring and Related Charges (Schedule of Restructuring and Related Charges by Segment) (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 24, 2016	Jun. 30, 2017	Jun. 24, 2016
Restructuring Cost and Reserve
Restructuring and related charges, net	$ 1.5	$ 15.2	$ 20.2	$ 25.3
Less: accelerated depreciation	(0.9)	(1.2)	(2.4)	(2.9)
Restructuring charges, net	0.6	14.0	17.8	22.4
Specialty Brands
Restructuring Cost and Reserve
Restructuring and related charges, net	0.3	8.8	9.5	16.8
Specialty Generics
Restructuring Cost and Reserve
Restructuring and related charges, net	0.5	1.0	7.9	1.6
Corporate
Restructuring Cost and Reserve
Restructuring and related charges, net	$ 0.7	$ 5.4	$ 2.8	$ 6.9