Pension Plans - Retirement Plan Expense (Details) - Non-U.S. Plans - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Company defined benefit plans:
Service cost	$ 3.5	$ 3.1	$ 2.4
Interest cost	2.0	2.1	2.4
Expected return on plan assets	(0.8)	(0.8)	(0.9)
Net amortization	0.6	0.4	0.0
Net periodic pension expense	5.3	4.8	3.9
Curtailment	(1.9)	0.0	0.0
Settlement	(0.1)	0.0	0.0
Defined contribution plans	3.5	2.1	2.8
Total	$ 6.8	$ 6.9	$ 6.7