Restructuring Costs and Other - Reserve (Details) - USD ($) $ in Millions		3 Months Ended		9 Months Ended
		Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Restructuring Reserve [Roll Forward]
Beginning Accrued Restructuring Balance 1/1/17				$ 24.5
Pre-tax Restructuring Costs		$ 3.3	$ 4.5	13.5	$ 13.9
Utilization and Foreign Exchange				(15.4)
Ending Accrued Restructuring Balance 9/30/2017		22.6		22.6
2017 Restructuring Actions
Restructuring Reserve [Roll Forward]
Beginning Accrued Restructuring Balance 1/1/17				0.0
Pre-tax Restructuring Costs				8.4
Utilization and Foreign Exchange				(4.7)
Ending Accrued Restructuring Balance 9/30/2017		3.7		3.7
2017 Restructuring Actions | Severance
Restructuring Reserve [Roll Forward]
Beginning Accrued Restructuring Balance 1/1/17				0.0
Pre-tax Restructuring Costs				5.8
Utilization and Foreign Exchange				(2.6)
Ending Accrued Restructuring Balance 9/30/2017		3.2		3.2
2017 Restructuring Actions | Asset write-downs
Restructuring Reserve [Roll Forward]
Beginning Accrued Restructuring Balance 1/1/17				0.0
Pre-tax Restructuring Costs				0.1
Utilization and Foreign Exchange				(0.1)
Ending Accrued Restructuring Balance 9/30/2017		0.0		0.0
2017 Restructuring Actions | Facility closure and other costs
Restructuring Reserve [Roll Forward]
Beginning Accrued Restructuring Balance 1/1/17				0.0
Pre-tax Restructuring Costs				2.5
Utilization and Foreign Exchange				(2.0)
Ending Accrued Restructuring Balance 9/30/2017		0.5		0.5
2016 and Prior Restructuring Actions
Restructuring Reserve [Roll Forward]
Beginning Accrued Restructuring Balance 1/1/17				24.5
Pre-tax Restructuring Costs				5.1
Utilization and Foreign Exchange				(10.7)
Ending Accrued Restructuring Balance 9/30/2017		18.9		18.9
2016 and Prior Restructuring Actions | Severance
Restructuring Reserve [Roll Forward]
Beginning Accrued Restructuring Balance 1/1/17				10.4
Pre-tax Restructuring Costs				(0.6)
Utilization and Foreign Exchange				(4.7)
Ending Accrued Restructuring Balance 9/30/2017		5.1		5.1
2016 and Prior Restructuring Actions | Asset write-downs
Restructuring Reserve [Roll Forward]
Beginning Accrued Restructuring Balance 1/1/17				0.0
Pre-tax Restructuring Costs				0.0
Utilization and Foreign Exchange				0.0
Ending Accrued Restructuring Balance 9/30/2017		0.0		0.0
2016 and Prior Restructuring Actions | Facility closure and other costs
Restructuring Reserve [Roll Forward]
Beginning Accrued Restructuring Balance 1/1/17	[1]			14.1
Pre-tax Restructuring Costs	[1]			5.7
Utilization and Foreign Exchange	[1]			(6.0)
Ending Accrued Restructuring Balance 9/30/2017	[1]	$ 13.8		$ 13.8

[1] (a) Facility closure and other costs as of 1/1/17 includes a charge of approximately $12.5 million to accrue the estimated liability associated with the anticipated withdrawal from a multi-employer pension plan as a result of a restructuring action.