Restructuring and Other Charges, Net (Details) - USD ($) $ in Millions	3 Months Ended	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015	Oct. 01, 2017
Summary of total expected, incurred and remaining pre-tax costs
Costs incurred		$ 6.8	$ 4.7	$ 21.4
Restructuring reserve
Costs incurred		6.8	4.7	21.4
Americas and APMEA
Summary of total expected, incurred and remaining pre-tax costs
Remaining costs to be incurred	$ 0.0	0.0
2015 Actions | Americas and Asia Pacific
Summary of total expected, incurred and remaining pre-tax costs
Costs incurred		2.4
Restructuring reserve
Costs incurred		2.4
2015 Actions | Americas
Summary of total expected, incurred and remaining pre-tax costs
Costs incurred		2.2
Incurred to Date	13.5	13.5
Restructuring reserve
Costs incurred		2.2
2015 Actions | Europe
Summary of total expected, incurred and remaining pre-tax costs
Costs incurred			1.8	6.9
Remaining costs to be incurred	1.6	1.6
Total expected restructuring costs	9.3	9.3		10.0
Total expected restructuring costs	9.3	9.3
Restructuring reserve
Balance at the beginning of the period		4.8	6.4
Costs incurred			1.8	6.9
Net pre-tax restructuring adjustments		(1.0)
Utilization and foreign currency impact		(2.8)	(3.4)
Balance at the end of the period	1.0	1.0	4.8	6.4
2015 Actions | Europe | Severance
Summary of total expected, incurred and remaining pre-tax costs
Costs incurred			1.3	6.6
Remaining costs to be incurred	1.4	1.4
Total expected restructuring costs	8.3	8.3
Restructuring reserve
Balance at the beginning of the period		4.8	6.4
Costs incurred			1.3	6.6
Net pre-tax restructuring adjustments		(1.0)
Utilization and foreign currency impact		(2.8)	(2.9)
Balance at the end of the period	1.0	1.0	4.8	6.4
2015 Actions | Europe | Legal and consultancy
Summary of total expected, incurred and remaining pre-tax costs
Costs incurred			0.5
Remaining costs to be incurred	0.2	0.2
Total expected restructuring costs	0.7	0.7
Restructuring reserve
Costs incurred			0.5
Utilization and foreign currency impact			(0.5)
2015 Actions | Europe | Facility exit and other
Summary of total expected, incurred and remaining pre-tax costs
Costs incurred				0.3
Total expected restructuring costs	0.3	0.3
Restructuring reserve
Costs incurred				0.3
2015 Actions | Americas and APMEA
Summary of total expected, incurred and remaining pre-tax costs
Costs incurred		2.4	2.1	13.6
Incurred to Date	18.1	18.1
Total expected restructuring costs			65.0		$ 60.0
Restructuring reserve
Balance at the beginning of the period		1.2	6.4
Costs incurred		2.4	2.1	13.6
Utilization and foreign currency impact		(3.4)	(7.3)
Balance at the end of the period	0.2	0.2	1.2	6.4
2015 Actions | Americas and APMEA | Severance
Summary of total expected, incurred and remaining pre-tax costs
Costs incurred				8.5
Incurred to Date	7.0	7.0
Restructuring reserve
Balance at the beginning of the period		1.2	5.0
Costs incurred				8.5
Net pre-tax restructuring adjustments			(1.5)
Utilization and foreign currency impact		(1.0)	(2.3)
Balance at the end of the period	0.2	0.2	1.2	5.0
2015 Actions | Americas and APMEA | Legal and consultancy
Summary of total expected, incurred and remaining pre-tax costs
Costs incurred			0.2	0.7
Incurred to Date	0.9	0.9
Restructuring reserve
Balance at the beginning of the period			0.4
Costs incurred			0.2	0.7
Utilization and foreign currency impact			(0.6)
Balance at the end of the period				0.4
2015 Actions | Americas and APMEA | Asset write-downs
Summary of total expected, incurred and remaining pre-tax costs
Costs incurred		2.2	2.9	1.6
Incurred to Date	6.7	6.7
Restructuring reserve
Costs incurred		2.2	2.9	1.6
Utilization and foreign currency impact		(2.2)	(2.9)
2015 Actions | Americas and APMEA | Facility exit and other
Summary of total expected, incurred and remaining pre-tax costs
Costs incurred		0.2	0.5	2.8
Incurred to Date	3.5	3.5
Restructuring reserve
Balance at the beginning of the period			1.0
Costs incurred		0.2	0.5	2.8
Utilization and foreign currency impact		(0.2)	$ (1.5)
Balance at the end of the period				$ 1.0
Other Actions
Restructuring reserve
Net pre-tax restructuring charges		4.4
Other Actions | Europe
Summary of total expected, incurred and remaining pre-tax costs
Costs incurred	4.1	7.7
Restructuring reserve
Costs incurred	4.1	7.7
Balance at the end of the period	$ 3.1	$ 3.1