Employee Benefit Plans - Net Periodic Expense (Income) and Additional Information (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
United States
Defined Benefit Plan, Pension Plans with Accumulated Benefit Obligations in Excess of Plan Assets
Projected benefit obligation	$ 329.0	$ 357.9
Accumulated benefit obligation	329.0	357.9
Fair value of plan assets	251.8	270.4
Accumulated benefit obligation	335.4	364.7
Defined Benefit Plan, Net Periodic Benefit Cost
Service cost	0.0	0.0	$ 0.0
Interest cost	8.4	10.8	13.3
Expected return on plan assets	(8.7)	(9.5)	(9.8)
Amortization of unrecognized prior service credits	(0.1)	(0.1)	(0.1)
Recognized net actuarial losses	(4.2)	4.7	6.5
Total net periodic pension benefit (income) expense	$ (4.6)	$ 5.9	$ 9.9
Weighted-average actuarial assumptions used in determining net periodic pension expense:
Discount rate used in determining net periodic postretirement benefit expense	2.35%	3.16%	4.29%
Expected long-term rate of return on assets	3.22%	3.75%	4.25%
Weighted-average actuarial assumptions used in determining year-end benefit obligations:
Discount rate used in determining year-end postretirement benefit obligation	2.83%	2.35%	3.16%
Foreign Plan
Defined Benefit Plan, Pension Plans with Accumulated Benefit Obligations in Excess of Plan Assets
Projected benefit obligation	$ 0.2	$ 50.9
Accumulated benefit obligation	0.2	50.9
Fair value of plan assets	0.0	48.4
Accumulated benefit obligation	182.4	192.2
Defined Benefit Plan, Net Periodic Benefit Cost
Service cost	0.0	0.0	$ 0.0
Interest cost	3.4	3.8	4.8
Expected return on plan assets	(5.8)	(5.7)	(6.7)
Recognized net actuarial losses	(1.8)	0.2	1.0
Total net periodic pension benefit (income) expense	$ (4.2)	$ (1.7)	$ (0.9)
Weighted-average actuarial assumptions used in determining net periodic pension expense:
Discount rate used in determining net periodic postretirement benefit expense	1.76%	2.27%	3.02%
Expected long-term rate of return on assets	3.31%	3.81%	4.69%
Weighted-average actuarial assumptions used in determining year-end benefit obligations:
Discount rate used in determining year-end postretirement benefit obligation	2.19%	1.76%	2.27%