Benefit Plans - Reconciliation of Changes in Benefit Obligations and Fair Value of Plan Assets (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Reconciliation of Fair Value of Plan Assets:
Beginning balance	$ 679.8
Fair value of plan assets ending balance	682.4	$ 679.8
Pension Benefits | U.S. Plans
Reconciliation of Benefit Obligations:
Beginning balance	484.3	59.8
Service cost	5.3	5.8	$ 0.0
Interest cost	10.8	9.5	2.2
Plan amendments	0.0	0.0
Actuarial losses (gains)	(20.0)	18.1
Benefit payments	(25.7)	(29.0)
Acquisitions	0.0	421.0
Plan settlements	(12.9)	(0.9)
Effect of foreign currency exchange rate changes	0.0	0.0
Benefit obligations ending balance	441.8	484.3	59.8
Reconciliation of Fair Value of Plan Assets:
Beginning balance	395.0	61.1
Actual return on plan assets	4.8	36.5
Employer contributions	11.5	0.1
Acquisitions	12.0	327.2
Plan settlements	(12.9)	(0.9)
Benefit payments	(25.7)	(29.0)
Effect of foreign currency exchange rate changes	0.0	0.0
Fair value of plan assets ending balance	384.7	395.0	61.1
Funded Status as of Period End	(57.1)	(89.3)
Pension Benefits | Non-U.S. Plans
Reconciliation of Benefit Obligations:
Beginning balance	445.7	346.5
Service cost	4.3	3.8	1.5
Interest cost	4.6	6.1	7.7
Plan amendments	0.0	0.0
Actuarial losses (gains)	(30.0)	24.4
Benefit payments	(13.7)	(12.8)
Acquisitions	0.0	56.7
Plan settlements	0.0	0.0
Effect of foreign currency exchange rate changes	(14.7)	21.0
Benefit obligations ending balance	396.2	445.7	346.5
Reconciliation of Fair Value of Plan Assets:
Beginning balance	284.8	249.1
Actual return on plan assets	25.4	19.0
Employer contributions	7.6	7.6
Acquisitions	0.0	12.0
Plan settlements	0.0	0.0
Benefit payments	(13.7)	(12.8)
Effect of foreign currency exchange rate changes	(6.4)	9.9
Fair value of plan assets ending balance	297.7	284.8	249.1
Funded Status as of Period End	(98.5)	(160.9)
Other Postretirement Benefits
Reconciliation of Benefit Obligations:
Beginning balance	31.3	3.4
Service cost	0.0	0.0
Interest cost	0.6	0.5	0.1
Plan amendments	1.8	(1.6)
Actuarial losses (gains)	(1.6)	2.0
Benefit payments	(3.3)	(2.7)
Acquisitions	0.0	29.3
Plan settlements	0.0	0.3
Effect of foreign currency exchange rate changes	(0.1)	0.1
Benefit obligations ending balance	28.7	31.3	$ 3.4
Reconciliation of Fair Value of Plan Assets:
Funded Status as of Period End	$ (28.7)	$ (31.3)