Restructuring Reserves (Details) $ in Millions	9 Months Ended
	Oct. 01, 2016 USD ($)
Restructuring Reserve [Roll Forward]
Beginning balance	$ 31.3
Costs incurred	136.8	[1]
Reserves reversed	(1.1)
Payments	(61.7)
Currency translation	0.2
Ending balance	105.5
Restructuring and Related Costs, Other Costs (Income), Net	5.2
Severance [Member]
Restructuring Reserve [Roll Forward]
Beginning balance	15.2
Costs incurred	84.9
Reserves reversed	(0.7)
Payments	(36.2)
Currency translation	0.2
Ending balance	$ 63.4
Restructuring Reserve, Expected Final Year of Payments	2016
Abandonment of Excess Facilities [Member]
Restructuring Reserve [Roll Forward]
Beginning balance	$ 13.1
Costs incurred	43.4
Reserves reversed	(0.2)
Payments	(16.6)
Ending balance	$ 39.7
Restructuring Reserve, Expected Final Year of Payments	2027
Other Restructuring [Member]
Restructuring Reserve [Roll Forward]
Beginning balance	$ 3.0
Costs incurred	8.5
Reserves reversed	(0.2)
Payments	(8.9)
Ending balance	$ 2.4
Restructuring Reserve, Expected Final Year of Payments	2016

[1] Excludes $5.2 million of charges, net, primarily associated with environmental and litigation-related matters and sales of real estate.