Valuation and Qualifying Accounts (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Allowance for doubtful accounts
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]
Beginning balance	$ 154.5	$ 159.9	$ 72.8
Additions Charged to Costs and Expenses	21.5	16.0	16.9
Additions Charged to Other Accounts	0.0	0.0	77.3
Deductions	(61.3)	(21.4)	(7.1)
Ending balance	114.7	154.5	159.9
Valuation allowance for deferred tax assets
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]
Beginning balance	780.4	443.6	603.5
Additions Charged to Costs and Expenses	42.7	82.2	39.0
Additions Charged to Other Accounts	0.0	260.8	0.0
Deductions	(436.1)	(6.2)	(198.9)
Ending balance	$ 387.0	$ 780.4	$ 443.6