SCHEDULE II - VALUATION AND QUALIFYING ACCOUNTS (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Allowance for doubtful accounts
Valuation and Qualifying Accounts
Balance at beginning of period	$ 63.9	$ 43.5	$ 44.8
Charged to cost and expenses	13.4	20.2	1.5
Additions (Deductions)	(8.9)	0.2	(2.8)
Balance at end of period	68.4	63.9	43.5
Valuation allowance on deferred tax assets
Valuation and Qualifying Accounts
Balance at beginning of period	42.2	44.9	40.1
Charged to cost and expenses	3.4	(1.1)	6.3
Additions (Deductions)	1.0	(1.6)	(1.5)
Balance at end of period	$ 46.6	$ 42.2	$ 44.9