Restructuring and Related Charges (Schedule of Restructuring Reserves by Type of Cost) (Details) $ in Millions	6 Months Ended
	Jun. 28, 2019 USD ($)
Restructuring Reserve [Roll Forward]
Beginning Balance	$ 71.0
Reclassifications (1)	(9.3)	[1]
Charges	5.9
Restructuring Reserve, Accrual Adjustment	(1.9)
Cash payments	(13.8)
Ending Balance	51.9
Restructuring Fiscal 2018 Plan
Restructuring Reserve [Roll Forward]
Beginning Balance	2.2
Reclassifications (1)	0.0	[1]
Charges	3.5
Restructuring Reserve, Accrual Adjustment	(0.9)
Cash payments	(1.4)
Ending Balance	3.4
Restructuring Fiscal 2016 Plan
Restructuring Reserve [Roll Forward]
Beginning Balance	61.0
Reclassifications (1)	(5.0)	[1]
Charges	2.4
Restructuring Reserve, Accrual Adjustment	(0.2)
Cash payments	(11.0)
Ending Balance	47.2
Acquisitions
Restructuring Reserve [Roll Forward]
Beginning Balance	7.8
Reclassifications (1)	(4.3)	[1]
Charges	0.0
Restructuring Reserve, Accrual Adjustment	(0.8)
Cash payments	(1.4)
Ending Balance	$ 1.3

[1] Represents the reclassification of lease liabilities, net to lease liabilities and lease assets, which are reflected within other liabilities and other assets on the unaudited condensed consolidated balance sheet, due to the adoption of ASU 2016-02.