Restructuring, Business Transformation and Other Cost Saving Initiatives - Restructuring Reserve Roll Forward (Details) - USD ($) $ in Millions	3 Months Ended					6 Months Ended	9 Months Ended
	Sep. 30, 2023	Jun. 30, 2023	Mar. 31, 2023	Sep. 30, 2022	Mar. 31, 2022	Jun. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Restructuring Cost and Reserve [Line Items]
Expense	$ 76.0			$ 15.4			$ 120.0	$ 124.1
2023 Cost Saving Initiatives
Restructuring Cost and Reserve [Line Items]
Expense	61.1						114.5
Severance Costs | 2022 Cost Saving Initiative
Restructuring Cost and Reserve [Line Items]
Expense	0.0			21.6			0.0	110.2
Severance Costs | 2023 and 2022 Cost Saving Initiatives
Restructuring Cost and Reserve [Line Items]
Restructuring reserve, beginning	32.3	$ 28.0	$ 35.9	52.2	$ 0.0	$ 0.0	35.9	0.0
Expense	58.7	17.8	7.1	21.6	27.7	60.9
Payment	(31.8)	(13.4)	(15.6)	(32.3)	(6.2)	(29.7)
Foreign currency and other adjustments	0.1	(0.1)	0.6	(1.3)	0.0	(0.5)
Restructuring reserve, ending	$ 59.3	$ 32.3	$ 28.0	$ 40.2	$ 21.5	$ 52.2	$ 59.3	$ 40.2