Pension and Other Postretirement Benefit Plans - Components of Net Periodic Benefit Costs (Credit) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Defined Benefit Plans and Other Postretirement Benefit Plans [Line Items]
Curtailment gain			$ (10.6)
Settlement losses		$ 12.9
Pension | U.S.
Defined Benefit Plans and Other Postretirement Benefit Plans [Line Items]
Service cost	$ 0.0	0.1	0.1
Interest cost	14.5	16.4	18.6
Expected return on plan assets	(23.5)	(21.4)	(20.2)
Amortization of actuarial gain	3.9	2.3	1.8
Curtailment gain	0.0	0.0	0.0
Settlement losses	0.4	0.3	0.1
Net periodic benefit cost (credit)	(4.7)	(2.3)	0.4
Pension | Foreign
Defined Benefit Plans and Other Postretirement Benefit Plans [Line Items]
Service cost	5.3	5.0	6.3
Interest cost	10.5	12.2	14.7
Expected return on plan assets	(19.6)	(19.6)	(20.9)
Amortization of actuarial gain	6.1	5.2	7.8
Curtailment gain	0.0	0.0	(2.3)
Settlement losses	0.0	13.0	0.0
Net periodic benefit cost (credit)	2.3	15.8	5.6
Other Postretirement | U.S.
Defined Benefit Plans and Other Postretirement Benefit Plans [Line Items]
Service cost	0.0	0.0	0.0
Interest cost	1.4	1.7	2.1
Amortization of actuarial gain	(1.1)	(1.6)	(2.3)
Curtailment gain	0.0	0.0	0.0
Amortization of prior service credit	(0.1)	(0.2)	(0.2)
Net periodic benefit cost (credit)	0.2	(0.1)	(0.4)
Other Postretirement | Foreign
Defined Benefit Plans and Other Postretirement Benefit Plans [Line Items]
Service cost	0.0	0.0	0.3
Interest cost	0.7	0.7	1.3
Amortization of actuarial gain	0.0	0.0	0.0
Curtailment gain	0.0	0.0	(10.6)
Amortization of prior service credit	0.0	0.0	(0.2)
Net periodic benefit cost (credit)	$ 0.7	$ 0.7	$ (9.2)