Restructuring (Narrative) (Details) $ in Millions	3 Months Ended
	Mar. 31, 2017 USD ($) employees	Apr. 01, 2016 USD ($)
November 2015 Restructuring Program [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges (benefit)	$ 13.8	$ 6.8
Restructuring costs	88.2
Total aggregate costs to date	88.2
November 2015 Restructuring Program [Member] | Employee Separation Costs [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges (benefit)	$ 2.5	1.3
Number of employees | employees	390
Number of manufacturing employees | employees	280
Number of non-manufacturing employees | employees	110
Restructuring costs	$ 15.2
November 2015 Restructuring Program [Member] | Asset-Related Costs [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges (benefit)	0.0
Restructuring costs	21.3
November 2015 Restructuring Program [Member] | Other Restructuring [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges (benefit)	11.3	5.4
Restructuring costs	51.7
November 2015 Restructuring Program [Member] | North America [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges (benefit)	11.9	4.0
Total aggregate costs to date	60.7
November 2015 Restructuring Program [Member] | North America [Member] | Employee Separation Costs [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges (benefit)	0.9	0.5
November 2015 Restructuring Program [Member] | North America [Member] | Other Restructuring [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges (benefit)	11.0	3.5
November 2015 Restructuring Program [Member] | Europe [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges (benefit)	1.6	2.7
Total aggregate costs to date	22.0
November 2015 Restructuring Program [Member] | Europe [Member] | Employee Separation Costs [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges (benefit)	1.6	0.8
November 2015 Restructuring Program [Member] | Europe [Member] | Other Restructuring [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges (benefit)		1.9
November 2015 Restructuring Program [Member] | Latin America [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges (benefit)	0.3	0.1
Total aggregate costs to date	5.5
November 2015 Restructuring Program [Member] | Latin America [Member] | Asset-Related Costs [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring costs		$ 0.1
November 2015 Restructuring Program [Member] | Latin America [Member] | Other Restructuring [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges (benefit)	0.3
July 2014 Restructuring Program [Member]
Restructuring Cost and Reserve [Line Items]
Total aggregate costs to date	$ 220.0