SCHEDULE II - VALUATION AND QUALIFYING ACCOUNTS (Details) - Allowance for doubtful accounts - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Movement in valuation and qualifying accounts
Balance at Beginning of Year	$ 26.7	$ 19.0	$ 17.8
Additions Charged to Costs and Expenses	3.4	9.8	5.8
Deductions	4.0	2.8	4.6
Amounts Charged to Other Accounts		0.7
Balance at End of Year	$ 26.1	$ 26.7	$ 19.0