Restructuring Costs - Reserve (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Restructuring Reserve [Roll Forward]
Beginning accrued restructuring balance	$ 8.2
Pre-tax Restructuring Costs	3.9	$ 20.4	$ 28.8
Utilization and Foreign Exchange	(7.9)
Ending accrued restructuring balance	4.2	8.2
2021 Restructuring Actions
Restructuring Reserve [Roll Forward]
Beginning accrued restructuring balance	0.0
Pre-tax Restructuring Costs	2.4
Utilization and Foreign Exchange	(1.0)
Ending accrued restructuring balance	1.4	0.0
2020 and Prior Restructuring Actions
Restructuring Reserve [Roll Forward]
Beginning accrued restructuring balance	8.2
Pre-tax Restructuring Costs	1.5
Utilization and Foreign Exchange	(6.9)
Ending accrued restructuring balance	2.8	8.2
Severance | 2021 Restructuring Actions
Restructuring Reserve [Roll Forward]
Beginning accrued restructuring balance	0.0
Pre-tax Restructuring Costs	2.4
Utilization and Foreign Exchange	(1.0)
Ending accrued restructuring balance	1.4	0.0
Severance | 2020 and Prior Restructuring Actions
Restructuring Reserve [Roll Forward]
Beginning accrued restructuring balance	7.7
Pre-tax Restructuring Costs	0.0
Utilization and Foreign Exchange	(5.0)
Ending accrued restructuring balance	2.7	7.7
Asset write-downs | 2021 Restructuring Actions
Restructuring Reserve [Roll Forward]
Beginning accrued restructuring balance	0.0
Pre-tax Restructuring Costs	0.0
Utilization and Foreign Exchange	0.0
Ending accrued restructuring balance	0.0	0.0
Asset write-downs | 2020 and Prior Restructuring Actions
Restructuring Reserve [Roll Forward]
Beginning accrued restructuring balance	0.0
Pre-tax Restructuring Costs	0.0
Utilization and Foreign Exchange	0.0
Ending accrued restructuring balance	0.0	0.0
Facility closure and other costs | 2021 Restructuring Actions
Restructuring Reserve [Roll Forward]
Beginning accrued restructuring balance	0.0
Pre-tax Restructuring Costs	0.0
Utilization and Foreign Exchange	0.0
Ending accrued restructuring balance	0.0	0.0
Facility closure and other costs | 2020 and Prior Restructuring Actions
Restructuring Reserve [Roll Forward]
Beginning accrued restructuring balance	0.5
Pre-tax Restructuring Costs	1.5
Utilization and Foreign Exchange	(1.9)
Ending accrued restructuring balance	$ 0.1	$ 0.5