Segment Information Reconciliation of Operating Profit (Losee) from Segments to Consolidated (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 26, 2015	Sep. 27, 2014	Sep. 26, 2015	Sep. 27, 2014
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Segment Income (Loss)	$ 249.2	$ 295.8	$ 720.9	$ 833.2
Restructuring and other	(25.3)	0.0	(50.8)	(61.1)
Intangible asset amortization expense	(28.2)	(28.4)	(83.8)	(85.9)
inventory step up	(1.4)	0.0	(2.9)	0.0
Deal related costs and expenses	(14.3)	0.0	(14.3)	0.0
Redomicile Expense	0.0	0.0	0.0	(10.3)
Operating Income (Loss)	$ 180.0	$ 267.4	$ 569.1	$ 675.9