Restructuring Reserves (Details) (USD $) In Millions, unless otherwise specified	6 Months Ended
	Jun. 28, 2014
Severance [Member]
Restructuring Reserve [Roll Forward]
Restructuring Reserve, Expected Final Year of Payments	2015
Abandonment of Excess Facilities [Member]
Restructuring Reserve [Roll Forward]
Restructuring Reserve, Expected Final Year of Payments	2020
Other Restructuring [Member]
Restructuring Reserve [Roll Forward]
Restructuring Reserve, Expected Final Year of Payments	2014
Pre-2013 Restructuring Plans [Member]
Restructuring Reserve [Roll Forward]
Beginning balance	$ 14.9
Costs incurred	3.0
Reserves reversed	(1.4)
Payments	(4.3)
Currency translation	(0.3)
Ending balance	11.9
Pre-2013 Restructuring Plans [Member] | Severance [Member]
Restructuring Reserve [Roll Forward]
Beginning balance	6.6
Costs incurred	1.1
Reserves reversed	(1.3)
Payments	(2.4)
Currency translation	(0.3)
Ending balance	3.7
Pre-2013 Restructuring Plans [Member] | Abandonment of Excess Facilities [Member]
Restructuring Reserve [Roll Forward]
Beginning balance	8.0
Costs incurred	1.9
Reserves reversed	0
Payments	(1.8)
Currency translation	0
Ending balance	8.1
Pre-2013 Restructuring Plans [Member] | Other Restructuring [Member]
Restructuring Reserve [Roll Forward]
Beginning balance	0.3
Costs incurred	0
Reserves reversed	(0.1)
Payments	(0.1)
Currency translation	0
Ending balance	0.1
2013 Restructuring Plans [Member]
Restructuring Reserve [Roll Forward]
Beginning balance	25.6
Costs incurred	11.9
Reserves reversed	(2.7)
Payments	(20.0)
Currency translation	0.3
Ending balance	15.1
2013 Restructuring Plans [Member] | Severance [Member]
Restructuring Reserve [Roll Forward]
Beginning balance	22.0
Costs incurred	4.9
Reserves reversed	(2.4)
Payments	(13.6)
Currency translation	0.1
Ending balance	11.0
2013 Restructuring Plans [Member] | Abandonment of Excess Facilities [Member]
Restructuring Reserve [Roll Forward]
Beginning balance	1.4
Costs incurred	1.7
Reserves reversed	(0.2)
Payments	(1.7)
Currency translation	0.2
Ending balance	1.4
2013 Restructuring Plans [Member] | Other Restructuring [Member]
Restructuring Reserve [Roll Forward]
Beginning balance	2.2
Costs incurred	5.3
Reserves reversed	(0.1)
Payments	(4.7)
Currency translation	0
Ending balance	2.7
2014 Restructuring Plans [Member]
Restructuring Reserve [Roll Forward]
Costs incurred	197.3
Payments	(163.5)
Currency translation	0.1
Ending balance	33.9
2014 Restructuring Plans [Member] | Severance [Member]
Restructuring Reserve [Roll Forward]
Costs incurred	111.9
Payments	(82.6)
Currency translation	0.1
Ending balance	29.4
2014 Restructuring Plans [Member] | Abandonment of Excess Facilities [Member]
Restructuring Reserve [Roll Forward]
Costs incurred	1.2
Payments	(0.4)
Currency translation	0
Ending balance	0.8
2014 Restructuring Plans [Member] | Other Restructuring [Member]
Restructuring Reserve [Roll Forward]
Costs incurred	84.2
Payments	(80.5)
Currency translation	0
Ending balance	$ 3.7