Restructuring Costs and Other - Reserve (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Restructuring Reserve [Roll Forward]
Beginning Accrued Restructuring Balance 1/1/20			$ 17.4
Pre-tax Restructuring Costs	$ 5.7	$ 7.4	9.2	$ 10.4
Utilization and Foreign Exchange			(12.8)
Ending Accrued Restructuring Balance 6/30/2020	13.8		13.8
2020 Restructuring Actions
Restructuring Reserve [Roll Forward]
Beginning Accrued Restructuring Balance 1/1/20			0.0
Pre-tax Restructuring Costs			6.5
Utilization and Foreign Exchange			(3.7)
Ending Accrued Restructuring Balance 6/30/2020	2.8		2.8
2020 Restructuring Actions | Severance
Restructuring Reserve [Roll Forward]
Beginning Accrued Restructuring Balance 1/1/20			0.0
Pre-tax Restructuring Costs			4.5
Utilization and Foreign Exchange			(1.7)
Ending Accrued Restructuring Balance 6/30/2020	2.8		2.8
2020 Restructuring Actions | Asset write-downs
Restructuring Reserve [Roll Forward]
Beginning Accrued Restructuring Balance 1/1/20			0.0
Pre-tax Restructuring Costs			0.0
Utilization and Foreign Exchange			0.0
Ending Accrued Restructuring Balance 6/30/2020	0.0		0.0
2020 Restructuring Actions | Facility closure and other costs
Restructuring Reserve [Roll Forward]
Beginning Accrued Restructuring Balance 1/1/20			0.0
Pre-tax Restructuring Costs			2.0
Utilization and Foreign Exchange			(2.0)
Ending Accrued Restructuring Balance 6/30/2020	0.0		0.0
2019 and Prior Restructuring Actions
Restructuring Reserve [Roll Forward]
Beginning Accrued Restructuring Balance 1/1/20			17.4
Pre-tax Restructuring Costs			2.7
Utilization and Foreign Exchange			(9.1)
Ending Accrued Restructuring Balance 6/30/2020	11.0		11.0
2019 and Prior Restructuring Actions | Severance
Restructuring Reserve [Roll Forward]
Beginning Accrued Restructuring Balance 1/1/20			11.3
Pre-tax Restructuring Costs			(0.8)
Utilization and Foreign Exchange			(6.2)
Ending Accrued Restructuring Balance 6/30/2020	4.3		4.3
2019 and Prior Restructuring Actions | Asset write-downs
Restructuring Reserve [Roll Forward]
Beginning Accrued Restructuring Balance 1/1/20			0.0
Pre-tax Restructuring Costs			0.1
Utilization and Foreign Exchange			(0.1)
Ending Accrued Restructuring Balance 6/30/2020	0.0		0.0
2019 and Prior Restructuring Actions | Facility closure and other costs
Restructuring Reserve [Roll Forward]
Beginning Accrued Restructuring Balance 1/1/20			6.1
Pre-tax Restructuring Costs			3.4
Utilization and Foreign Exchange			(2.8)
Ending Accrued Restructuring Balance 6/30/2020	$ 6.7		$ 6.7