Segment Information Reconciliation of Operating Profit (Losee) from Segments to Consolidated (Details) - Segment [Domain] - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 27, 2015	Jun. 28, 2014	Jun. 27, 2015	Jun. 28, 2014
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Segment Income (Loss)	$ 244.9	$ 279.3	$ 416.1	$ 479.9
Restructuring and other	(25.5)	(44.1)	(25.5)	(61.1)
inventory step up	(1.5)	0.0	(1.5)	0.0
Redomicile Expense	0.0	(8.8)	0.0	(10.3)
Operating Income (Loss)	$ 217.9	$ 226.4	$ 389.1	$ 408.5