Restructuring Reserves (Details) $ in Millions	3 Months Ended
	Apr. 02, 2016 USD ($)
Restructuring Reserve [Roll Forward]
Beginning balance	$ 31.3
Costs incurred	67.8
Reserves reversed	(0.4)
Payments	(21.7)
Currency translation	0.2
Ending balance	77.2
Restructuring and Related Costs, Non-Cash Costs (Income), Net	(16.8)
Severance [Member]
Restructuring Reserve [Roll Forward]
Beginning balance	15.2
Costs incurred	29.7
Reserves reversed	(0.3)
Payments	(11.0)
Currency translation	0.2
Ending balance	$ 33.8
Restructuring Reserve, Expected Final Year of Payments	2016
Abandonment of Excess Facilities [Member]
Restructuring Reserve [Roll Forward]
Beginning balance	$ 13.1
Costs incurred	35.1
Reserves reversed	(0.1)
Payments	(7.6)
Ending balance	$ 40.5
Restructuring Reserve, Expected Final Year of Payments	2027
Other Restructuring [Member]
Restructuring Reserve [Roll Forward]
Beginning balance	$ 3.0
Costs incurred	3.0
Payments	(3.1)
Ending balance	$ 2.9
Restructuring Reserve, Expected Final Year of Payments	2016