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Restructuring, Business Transformation and Other Cost Saving Initiatives - Restructuring Reserve Roll Forward (Details) - USD ($) $ in Millions	3 Months Ended			6 Months Ended
	Jun. 30, 2022	Mar. 31, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Restructuring Cost and Reserve [Line Items]
Expense	$ 70.6		$ 0.0	$ 108.7	$ 0.0
Adjustment	(0.5)
Workforce Reduction
Restructuring Cost and Reserve [Line Items]
Restructuring reserve, beginning	21.5	$ 0.0		0.0
Expense	60.9	27.7
Payment	(29.7)	(6.2)
Restructuring reserve, ending	$ 52.2	$ 21.5		$ 52.2